O and M KTC

Operation and Maintenance of the 8 Nos of CWSS in Kancheepuram, 13 Nos of CWSS in Chengalpet and 11 Nos of CWSS in Thiruvallur Districts including repairs and rectification works and supply of chemicals for three years period from 01.04.2026 to 31.03.2029 (Package-43)

From 01.04.2026 to 31.03.2027. ie 12 months for the year 2026 - 27.

From 01.04.2027 to 31.03.2028. i.e., 12 months for the year 2027 - 28.

From 01.04.2028 to 31.03.2029. i.e., 12 months for the year 2028 - 29.

Sub Total

Add GST at 18%

Item Rate BoQ

BoQ_Ver4.0

Name of the Bidder/ Bidding Firm / Company :

PRICE SCHEDULE-A1 (This BOQ template must not be modified/replaced by the bidder and the same should be uploaded after filling the relevent columns, else the bidder is liable to be rejected for this tender. Bidders are allowed to enter the Bidder Name and Values only)

NUMBER #

CWSS to Muthiyalpet and 26 Other Habitations in Kanchipuram District

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Officers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity . 365 DAYS X 1.30 MLD = 474.50 ML

Attending Leaks in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

160 mm OD PVC pipes of all Classes.

140 mm OD PVC pipes of all Classes.

110 mm OD PVC pipes of all Classes.

90 mm OD PVC pipes of all Classes.

250 mm AC pipes of all Classes.

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

160 mm OD PVC pipes of all Classes.

140 mm OD PVC 4KSC Pipes

110 mm OD PVC 4KSC Pipes

90 mm OD PVC pipes of all Classes.

250 mm AC pipes of all Classes.

200 mm AC pipes of all Classes.

Supply and delivery of PVC/HDPE Pipes as per IS specifiations

160 mm OD PVC 4KSC Pipes

140 mm OD PVC 4KSC Pipes

110 mm OD PVC 4KSC Pipes

90 mm OD PVC 4KSC Pipes

Labour charges for Removal of Infiltration / Bore Well Submersible Pumpset and its accessories from the Sources/Collection Sump including disjointing the submersible cable, etc., complete for the rewinding work and Re erction of Infiltration/ Bore Well Submersible Pumpsets and its accessories after re-winding work into Sources/Collection Sump .

7.5HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

5.00HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

3HP Monobloc Pumpsets including all material, labour, etc.

Removing the Monblock Centrifugal Pumpset from the Bed assembly by using contractors tools and materials after disconnecting the power supply cable and delivery pipe line fittings with required dummy plate arrangements.

Transporting the pumpset from the Pumping Station to work shop.

Removing the Burnt winding materials from the stator slots and cleaning the stator and rotor assembly by using contractor tools and materials

Reconditioning the worn-out shaft and fittings, impeller and Rope gland bush including cost of lath work & labour charges etc.,

Rewinding the Monblock Centrifugal Motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Replacement of driven end and Non driven end Bearings suitable for Monblock Centrifugal Motor including the cost of Bearing and labour charges after deducting the cost of old materials.

Replacement of cooling fan at motor end and Terminal Board for suitable for Monblock Centrifugal Pumpset and labour charges after deducting the cost of old materials.

Transporting charges for Monblock Centrifugal Pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipe line arrangements, testing and trial pumping.

5HP Monobloc Pumpsets including all material, labour, etc.

Removing the Monblock Centrifugal Pumpset from the Bed assembly by using contractors tools and materials after disconnecting the power supply cable and delivery pipe line fittings with required dummy plate arrangements.

Transporting the pumpset from the Pumping Station to work shop.

Removing the Burnt winding materials from the stator slots and cleaning the stator and rotor assembly by using contractor tools and materials

Reconditioning the worn-out shaft and fittings, impeller and Rope gland bush including cost of lath work & labour charges etc.,

Rewinding the Monblock Centrifugal Motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Replacement of driven end and Non driven end Bearings suitable for Monblock Centrifugal Motor including the cost of Bearing and labour charges after deducting the cost of old materials.

Replacement of cooling fan at motor end and Terminal Board for suitable for Monblock Centrifugal Pumpset and labour charges after deducting the cost of old materials.

Transporting charges for Monblock Centrifugal Pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipe line arrangements, testing and trial pumping.

Attending the 20HP Rewinding and replacement of bearings of Induction Motor for HSC Pumpset(Various HSC Motor) etc, complete and as directed by the departmental officers

Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials.

Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges.

Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and non driven end bearings.

Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motor

Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc.,

Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motor

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the motor from work shop to Pumping Station

Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc.,

Attending the Repair and Replacement of bearings in various 20HP HSC Pump

Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials.

Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges.

Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings

Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and etc.,

Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials

Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine

Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials

Supply and delivery of Driven End and Non Driven End bearings

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the Pump assembly from work shop to Pumping Station.

Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running etc.,

Repairing / reconditioning of 100mm size Sluice Valve (for line valve / for Scour valve) including all material, labour (specify type of Sluice Valve and type of repair to be carried out).

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Repairing / reconditioning of 150 mm size Sluice Valve (for line valve / for Scour valve) including all material, labour (specify type of Sluice Valve and type of repair to be carried out).

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete.

1.00LL capacity of sump (1 No x 2)

0.50LL capacity of sump

0.60LL capacity of sump

Attending the repair works in DOL Starter upto 5HP

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in Star Delta Starter for 20HP

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in Auto Transformer Starter From 7.50 HP

Labour Charges for removing the Burnt ATS Coil after draining the contaminated oil and cleaing the oil tank and fixing the ATS Coil after attending the rewinding work and filling the required oil in the oil tank etc., Complete., and as directed by TWAD Board officers.

Charges for Conveying the ATS Coil from pumping Station to workshop and Workshop to pumping Station

Charges for Removing the old wire from the ATS Coil , Cleaning, Rewinding of ATS Coil by using double Coated Enamel Copper Wire and all insulation materials including the cost of materials after deducting old scrap materials etc., complete

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, OLR, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

32 Amps TPN Metal clad switch with rewirable fuse units

Single Phase Preventer - Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Electromagnetic Contactor - 32 Amps

Digital Voltmeter - 3 Phase

Digital Ammeter - 3 Phase

Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415 / 440V 50 HZ conforming to ISS with ISI marking

BOX TYPE SINGLE FLUORESCENT FITTING WITH COPPER CHOKE AND CONDENSOR COMPLETE WITH ISI MARK - 4 Ft. 40 Watts with ballast (Lower end)

Attending the Cable fault in the following sizes of Aluminium Armoured Cable of Openwell, Borewell and Infiltration Well Sources,etc., for identifying the short circuit in the 3 core 1.1 KV Grade Armoured Aluminium Conductor Cable as directed by TWAD Board Officers

Supply and delivery of L.T. Cables 3 Core 1.1 KV Grade Armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (PART I)/1988 and as amended thereafter with ISI Marking

Supply and delivery of PVC insulated and sheathed 3 core flat type copper cable confirming to IS 694/1990 and as amended thereafter

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete.

Bleaching powder of 34% concentration as per standard specification.

CWSS to Padur and 13 Other Habitations

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Officers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity . 365 months X 0.147 MLD = 53.66 ML

Attending Leaks in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

110 mm OD PVC pipes of all Classes.

90 mm OD PVC pipes of all Classes.

75 mm OD PVC 4KSC Pipes

63 mm OD PVC pipes of all Classes.

50 mm OD PVC 4KSC Pipes

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

110 mm OD PVC 4KSC Pipes

90 mm OD PVC 4KSC Pipes

75 mm OD PVC 4KSC Pipes

63 mm OD PVC 4KSC Pipes

50 mm OD PVC 4KSC Pipes

Supply and delivery of PVC/HDPE Pipes as per IS specifiations

110 mm OD PVC 4KSC Pipes

90 mm OD PVC 4KSC Pipes

75 mm OD PVC 4KSC Pipes

63 mm OD PVC 4KSC Pipes

50 mm OD PVC 4KSC Pipes

Labour charges for Removal of Infiltration / Bore Well Submersible Pumpset and its accessories from the Sources/Collection Sump including disjointing the submersible cable, etc., complete for the rewinding work and Re erction of Infiltration/ Bore Well Submersible Pumpsets and its accessories after re-winding work into Sources/Collection Sump .

10.00HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

3.00HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Repairing / reconditioning of 80mm size Sluice Valve (for line valve / for Scour valve) including all material, labour (specify type of Sluice Valve and type of repair to be carried out).

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Attending the repair works in DOL Starter upto 5HP - Anambakkam BS

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in Auto Transformer Starter From 10 HP at Thirumukoodal HW

Labour Charges for removing the Burnt ATS Coil after draining the contaminated oil and cleaing the oil tank and fixing the ATS Coil after attending the rewinding work and filling the required oil in the oil tank etc., Complete., and as directed by TWAD Board officers.

Charges for Conveying the ATS Coil from pumping Station to workshop and Workshop to pumping Station

Charges for Removing the old wire from the ATS Coil , Cleaning, Rewinding of ATS Coil by using double Coated Enamel Copper Wire and all insulation materials including the cost of materials after deducting old scrap materials etc., complete

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, OLR, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

32 Amps TPN Metal clad switch with rewirable fuse units

Single Phase Preventer - Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Electromagnetic Contactor - 32 Amps

Digital Voltmeter - 3 Phase

Digital Ammeter - 3 Phase

Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415 / 440V 50 HZ conforming to ISS with ISI marking

BOX TYPE SINGLE FLUORESCENT FITTING WITH COPPER CHOKE AND CONDENSOR COMPLETE WITH ISI MARK - 4 Ft. 40 Watts with ballast (Lower end)

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete.

0.10LL capacity of sump

Attending the Cable fault in the following sizes of Aluminium Armoured Cable of Openwell, Borewell and Infiltration Well Sources,etc., for identifying the short circuit in the 3 core 1.1 KV Grade Armoured Aluminium Conductor Cable as directed by TWAD Board Officers

Supply and delivery of L.T. Cables 3 Core 1.1 KV Grade Armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (PART I)/1988 and as amended thereafter with ISI Marking

Supply and delivery of PVC insulated and sheathed 3 core flat type copper cable confirming to IS 694/1990 and as amended thereafter

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete.

Bleaching powder of 34% concentration as per standard specification.

CWSS to Ozhukarai - Karuvepampoondi Habitations

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Officers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity . 365 days X 0.068 MLD = 24.82 ML

Attending Leaks in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

110 mm OD PVC pipes of all Classes.

90 mm OD PVC pipes of all Classes.

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

110 mm OD PVC 4KSC pipes

90mm OD PVC 4KSC pipes

Supply and delivery of PVC/HDPE Pipes as per IS specifiations

110 mm OD PVC 4KSC pipes

90mm OD PVC 4KSC pipes

Digital Voltmeter - 3 Phase

Digital Ammeter - 3 Phase

Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415 / 440V 50 HZ conforming to ISS with ISI marking

BOX TYPE SINGLE FLUORESCENT FITTING WITH COPPER CHOKE AND CONDENSOR COMPLETE WITH ISI MARK - 4 Ft. 40 Watts with ballast (Lower end)

Hire charges for deploying earth moving machinery (JCB/Poclain) for earthwork including diesel, oil and labour charges etc., complete

Attending the Cable fault in the following sizes of Aluminium Armoured Cable of Openwell, Borewell and Infiltration Well Sources,etc., for identifying the short circuit in the 3 core 1.1 KV Grade Armoured Aluminium Conductor Cable as directed by TWAD Board Officers

Supply and delivery of L.T. Cables 3 Core 1.1 KV Grade Armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (PART I)/1988 and as amended thereafter with ISI Marking

Supply and delivery of PVC insulated and sheathed 3 core flat type copper cable confirming to IS 694/1990 and as amended thereafter

CWSS to Sriperumbudur and 17 Other Habitations

Outsourcing of Operation & Maintenance of CWSS to Sriperumbudur and 17 other habitations in Kanchipuram District for the period from 01.06.2023 to 31.03.2024 under Executive Engineer, TWAD Board, RWS Division, Kanchipuram by providing unskilled personnel as per B.P.MS. No.5 / Dt:22.2.2018 and B.P. Ms. No. 11 / Dt: 29.03.2022 to perform the mandatory duties specified in the schedule for watch and ward..

Outsourcing of Operation and maintenance of Headworks, All Booster Stations, Gravity main/Pumping main, Branch main and Sub Branch main including risk and task of the above work, regulating the valves wherever necessary maintaining cleanliness of in and around the pump house, regularly maintaining power factor without penalty, periodical submission of current consumption charges bills, Telephone bills for making payments in time. Collecting Monthly water charges bill from respective TWAD board office and handing over the same to the concerned local bodies etc. Complete Amending minor repairs, for which necessary pipes, specials electrical and mechanical accessories will be supplied departmentally in free of cost and as directed by TWAD Board officers.

Maintenance Assistant - 2 Nos (Unskilled)

CWSS to Sriperumbudur T.P and Poonamallee Municipality

Outsourcing of Operation & Maintenance of CWSS to Sriperumbudur - Poonamallee habitations in Kanchipuram District for the period from 01.06.2023 to 31.03.2024 under Executive Engineer, TWAD Board, RWS Division, Kanchipuram by providing unskilled personnel as per B.P.MS. No.5 / Dt:22.2.2018 and B.P. Ms. No. 11 / Dt: 29.03.2022 to perform the mandatory duties specified in the schedule for watch and ward. Outsourcing of Operation and maintenance of Headworks, All Booster Stations, Gravity main/Pumping main, Branch main and Sub Branch main including risk and task of the above work, regulating the valves wherever necessary maintaining cleanliness of in and around the pump house, regularly maintaining power factor without penalty, periodical submission of current consumption charges bills, Telephone bills for making payments in time.

Collecting Monthly water charges bill from respective TWAD board office and handing over the same to the concerned local bodies etc. Complete Amending minor repairs, for which necessary pipes, specials electrical and mechanical accessories will be supplied departmentally in free of cost and as directed by TWAD Board officers.

Maintenance Assistant - 1 No (Unskilled)

CWSS to Thirupulivanam- Marutham in Kanchipuram District

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Officers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity . 365 DAYS X 0.215 MLD = 78.48 ML

Attending Leaks in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

140 mm OD PVC 4KSC pipes

110 mm OD PVC 4KSCpipes

90mm OD PVC 4KSC pipes

63mm OD PVC 4KSC pipes

110mm OD HDPE PN6 pipes

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

140 mm OD PVC 4KSC pipes

110 mm OD PVC 4KSCpipes

90mm OD PVC 4KSC pipes

63mm OD PVC 4KSC pipes

110mm OD HDPE PN6 pipes

Supply and delivery of PVC/HDPE Pipes as per IS specifiations

110 mm OD PVC 4KSCpipes

63mm OD PVC 4KSC pipes

110mm OD HDPE PN6 pipes

Supply and delivery of Gunmetal Gatevalves as per IS Specifications.

Rate for flushing of borewell of 6" dia requiring less than 4 hours operation using drill rods/ hose with required size of pipes for various capacity compressor including transportation, labour, and fuel charges for compressors as directed by the TWAD Officer - 125 CFM (100PSI)

Labour charges for attending repair and renewal of Infiltration / Bore Well Submersible/Monoblock Pumpset and its accessories from the Sources/Collection Sump including disjointing the submersible cable, etc., complete for the rewinding/reconditioning work including removing and reerction of Infiltration/ Bore Well Submersible/Monoblock Pumpsets and its accessories after repair work into Sources/Collection Sump .

10HP Motor of submersible Pumpsets including all material, labour, etc. (1 No. at BW)

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Attending the repair works in Star Delta Starter for 10HP

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

32 Amps TPN Metal clad switch with rewirable fuse units

Single Phase Preventer - Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Electromagnetic Contactor - 32 Amps

Digital Voltmeter - 3 Phase

Digital Ammeter - 3 Phase

Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415 / 440V 50 HZ conforming to ISS with ISI marking

BOX TYPE SINGLE FLUORESCENT FITTING WITH COPPER CHOKE AND CONDENSOR COMPLETE WITH ISI MARK - 4 Ft. 40 Watts with ballast (Lower end)

Hire charges for deploying earth moving machinery (JCB/Poclain) for earthwork including diesel, oil and labour charges etc., complete

Attending the Cable fault in the following sizes of Aluminium Armoured Cable of Openwell, Borewell and Infiltration Well Sources,etc., for identifying the short circuit in the 3 core 1.1 KV Grade Armoured Aluminium Conductor Cable as directed by TWAD Board Officers

Supply and delivery of L.T. Cables 3 Core 1.1 KV Grade Armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (PART I)/1988 and as amended thereafter with ISI Marking

Supply and delivery of PVC insulated and sheathed 3 core flat type copper cable confirming to IS 694/1990 and as amended thereafter

CWSS to Salavakkam and 6 Other Habitations

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Officers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity . 365 DAYS X 0.362 MLD = 132.13 ML

Attending Leaks in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

150 mm DI K7 pipes

160mm HDPE PN6 pipes

90mm HDPE PN6 pipes

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

150 mm DI K7 pipes

160mm HDPE PN6 pipes

90mm HDPE PN6 pipes

Supply and delivery of DI/HDPE Pipes as per IS specifiations

150 mm DI K7 pipes

160mm HDPE PN6 pipes

90mm HDPE PN6 pipes

Labour charges for attending repair and renewal of Infiltration / Bore Well Submersible/Monoblock Pumpset and its accessories from the Sources/Collection Sump including disjointing the submersible cable, etc., complete for the rewinding/reconditioning work including removing and reerction of Infiltration/ Bore Well Submersible/Monoblock Pumpsets and its accessories after repair work into Sources/Collection Sump .

12.5HP Motor of submersible Pumpsets including all material, labour, etc. (IW - 1 No. at HW )

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Attending the repair works in Star Delta Starter for 12.5HP

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

32 Amps TPN Metal clad switch with rewirable fuse units

Single Phase Preventer - Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Electromagnetic Contactor - 32 Amps

Digital Voltmeter - 3 Phase

Digital Ammeter - 3 Phase

Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415 / 440V 50 HZ conforming to ISS with ISI marking

BOX TYPE SINGLE FLUORESCENT FITTING WITH COPPER CHOKE AND CONDENSOR COMPLETE WITH ISI MARK - 4 Ft. 40 Watts with ballast (Lower end)

Hire charges for deploying earth moving machinery (JCB/Poclain) for earthwork including diesel, oil and labour charges etc., complete

Attending the Cable fault in the following sizes of Aluminium Armoured Cable of Openwell, Borewell and Infiltration Well Sources,etc., for identifying the short circuit in the 3 core 1.1 KV Grade Armoured Aluminium Conductor Cable as directed by TWAD Board Officers

Supply and delivery of L.T. Cables 3 Core 1.1 KV Grade Armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (PART I)/1988 and as amended thereafter with ISI Marking

Supply and delivery of PVC insulated and sheathed 3 core flat type copper cable confirming to IS 694/1990 and as amended thereafter

CWSS to Kaliyampoondi and 13 Other Habitations

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Officers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity . 365 DAYS X 0.205 MLD = 74.825 ML

Attending Leaks in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

110 mm OD PVC 4KSC pipes

63mm OD PVC 4KSC pipes .

50 mm OD PVC 4KSC pipes .

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

110 mm OD PVC 4KSC pipes

63mm OD PVC 4KSC pipes .

50 mm OD PVC 4KSC pipes .

Supply and delivery of PVC/HDPE Pipes as per IS specifiations

110 mm OD PVC 4KSC pipes

63mm OD PVC 4KSC pipes .

50 mm OD PVC 4KSC pipes .

Labour charges for attending repair and renewal of Infiltration / Bore Well Submersible/Monoblock Pumpset and its accessories from the Sources/Collection Sump including disjointing the submersible cable, etc., complete for the rewinding/reconditioning work including removing and reerction of Infiltration/ Bore Well Submersible/Monoblock Pumpsets and its accessories after repair work into Sources/Collection Sump .

5HP Motor of submersible Pumpsets including all material, labour, etc. (Sump at HW - 1 No. & Sump at BS - 3 No.)

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete.

0.10LL capacity of sump

0.15LL capacity of sump

Attending the repair works in DOL Starter upto 5HP

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in Auto Transformer Starter From 7.50 HP

Labour Charges for removing the Burnt ATS Coil after draining the contaminated oil and cleaing the oil tank and fixing the ATS Coil after attending the rewinding work and filling the required oil in the oil tank etc., Complete., and as directed by TWAD Board officers.

Charges for Conveying the ATS Coil from pumping Station to workshop and Workshop to pumping Station

Charges for Removing the old wire from the ATS Coil , Cleaning, Rewinding of ATS Coil by using double Coated Enamel Copper Wire and all insulation materials including the cost of materials after deducting old scrap materials etc., complete

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, OLR, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

32 Amps TPN Metal clad switch with rewirable fuse units

Single Phase Preventer - Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Electromagnetic Contactor - 32 Amps

Digital Voltmeter - 3 Phase

Digital Ammeter - 3 Phase

Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415 / 440V 50 HZ conforming to ISS with ISI marking

BOX TYPE SINGLE FLUORESCENT FITTING WITH COPPER CHOKE AND CONDENSOR COMPLETE WITH ISI MARK - 4 Ft. 40 Watts with ballast (Lower end)

Hire charges for deploying earth moving machinery (JCB/Poclain) for earthwork including diesel, oil and labour charges etc., complete

Attending the Cable fault in the following sizes of Aluminium Armoured Cable of Openwell, Borewell and Infiltration Well Sources,etc., for identifying the short circuit in the 3 core 1.1 KV Grade Armoured Aluminium Conductor Cable as directed by TWAD Board Officers

Supply and delivery of L.T. Cables 3 Core 1.1 KV Grade Armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (PART I)/1988 and as amended thereafter with ISI Marking

Supply and delivery of PVC insulated and sheathed 3 core flat type copper cable confirming to IS 694/1990 and as amended thereafter

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete.

Bleaching powder of 34% concentration as per standard specification.

CWSS to Tambaram - Pallavaram in Chengalpet District

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Officers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity. 365 DAYS X 6.3 MLD = 2299.50 ML

Attending Leaks in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

110 mm OD PVC Pipes 4 KSC

200 mm AC pipes of all Classes.

300 mm AC pipes of all Classes.

300 mm DI pipes K7

500 mm DI pipes K7

600 mm DI pipes K7

150 mm CI pipes of all Classes.

400 mm CI pipes of all Classes.

500 mm CI pipes K7

600 mm CI pipes of all Classes.

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

500 mm DI pipes of all Classes.

600 mm DI pipes K7

Supply and delivery of following pipes as per IS specifications

110 mm OD PVC Pipes 4 KSC

300 mm DI pipes K7

500 mm DI pipes K7

600 mm DI pipes K7

Supply and Delivery of MJ Collars of the following Size

Supply, Delivery and fixing of C.I.D Joints as per IS 8794/1988 of the following size

300mm class 15

250mm class 15

200mm class 15

Labour charges for attending repair and renewal of Submersible/Monoblock Pumpsets and its accessories from the Sources/Collection Sump including disjointing the cable, etc., complete for the rewinding/reconditioning work including removing and reerction of Pumpsets and its accessories after repair work into Sources/Collection Sump .

3 HP Open well submersible pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

5 HP Open well submersible pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

7.5 HP Open well submersible pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

20 HP Open well submersible pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Attending the Repair and Replacement of bearings in various HSC Pump

Removal,Rewinding of coil & Re-erection for 75HP pump of HSC Pumpsets including all material, labour, etc.

Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials.

Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges.

Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings

Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and etc.,

Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials

Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine

Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials

Supply and delivery of Driven End and Non Driven End bearings

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the Pump assembly from work shop to Pumping Station.

Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running etc.,

Removal,Rewinding of coil & Re-erection for 60 HP pump of HSC Pumpsets including all material, labour, etc.

Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials.

Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges.

Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings

Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and etc.,

Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials

Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine

Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials

Supply and delivery of Driven End and Non Driven End bearings

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the Pump assembly from work shop to Pumping Station.

Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running etc.,

Removal,Rewinding of coil & Re-erection for 20 HP pump of HSC Pumpsets including all material, labour, etc.

Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials.

Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges.

Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings

Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and etc.,

Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials

Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine

Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials

Supply and delivery of Driven End and Non Driven End bearings

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the Pump assembly from work shop to Pumping Station.

Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running etc.,

Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset(Various HSC Motor)

Removal,Rewinding of coil & Re-erection for 75HP motor of HSC Pumpsets including all material, labour, etc.

Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials.

Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges.

Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and non driven end bearings.

Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motor

Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc.,

Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motor

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the motor from work shop to Pumping Station

Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc.,

Removal,Rewinding of coil & Re-erection for 60 HP motor of HSC Pumpsets including all material, labour, etc.

Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials.

Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges.

Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and non driven end bearings.

Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motor

Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc.,

Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motor

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the motor from work shop to Pumping Station

Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc.,

Removal,Rewinding of coil & Re-erection for 20 HP motor of HSC Pumpsets including all material, labour, etc.

Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials.

Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges.

Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and non driven end bearings.

Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motor

Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc.,

Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motor

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the motor from work shop to Pumping Station

Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc.,

Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump

Supply of Materials for attending the Repair and Renewal works of 60 HP VT Pump

Supply and Delivery of SS 410 New Pump Head Shaft for required mm and required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete)

Supply and Delivery of SS 410 New Pump Line Shaft for required mm and required length. (including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete)

Supply and delivery of stuffing box brone bush suitable for the Discharge Head assembly

Supply and Delivery of Required TVS Bolt , Nut and Washer for Bowl Assembly and all Column Pipe for inplace of Wornout Bolt and Nuts after deducting the cost of scrap materials and as Directed by TWAD Board Officers.

Supply and Delivery of Line shaft SS Coupling with Bush (including Raw Materials, Machining , Polishing etc., Complete)

Supply and Delivery of SS Sleeves Suitable for the Line Shaft for Inplace of Wornout SS Sleeves after deducting the cost of scrap materials as Directed by TWAD Board Officers.

Supply and Delivery of Spider Rubber Bush made in Hard Rubber and Finishing to Suit in Between the Casting Spider and Line shaft inplace of wornout Rubber Bush after deducting the cost of scrap materials as directed by TWAD Board Officers.

Supply and Delivery of Bronze Bush Bearing Suitable for Bowl Assembly and Pump Shaft inplace of wornout bronze Bush Bearing after deducting the cost of scrap materials as directed by TWAD Board Officers.

Supply and Delivery of 1.Bronze Bush Bearing Suitable for the Bowl Assembly (Top Side) 2. Bronze Bush Bearing Suitable for the Bell Mouth (Bottom) for inplace of wornout Bronze Bush Bearings after deducting the cost of scrap materials as Directed by TWAD Board Officers.

Supply and delivery of MS Seamless required size of Coloumn pipe suitable for the VT Pumpset

Supply and delivery of spider suitable for the coloumn pipe including cost of Raw Materials, welding, polishing etc., complete as directed by TWAD officers

Supply and delivery of new intermedia ring (Prosperous bronze metal) between bowl assembly and as directed by TWAD officers

Supply and delivery of new bowl shaft for required size for required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) and as directed by TWAD officers

Supply and delivery of Top Load Bearing with Ratchet assembly including Required Grade lubricating components

Supply of Materials for attending the Repair and Renewal works of 120 HP VT Pump

Supply and Delivery of SS 410 New Pump Head Shaft for required mm and required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete)

Supply and Delivery of SS 410 New Pump Line Shaft for required mm and required length. (including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete)

Supply and delivery of stuffing box brone bush suitable for the Discharge Head assembly

Supply and Delivery of Required TVS Bolt , Nut and Washer for Bowl Assembly and all Column Pipe for inplace of Wornout Bolt and Nuts after deducting the cost of scrap materials and as Directed by TWAD Board Officers.

Supply and Delivery of Line shaft SS Coupling with Bush (including Raw Materials, Machining , Polishing etc., Complete)

Supply and Delivery of SS Sleeves Suitable for the Line Shaft for Inplace of Wornout SS Sleeves after deducting the cost of scrap materials as Directed by TWAD Board Officers.

Supply and Delivery of Spider Rubber Bush made in Hard Rubber and Finishing to Suit in Between the Casting Spider and Line shaft inplace of wornout Rubber Bush after deducting the cost of scrap materials as directed by TWAD Board Officers.

Supply and Delivery of Bronze Bush Bearing Suitable for Bowl Assembly and Pump Shaft inplace of wornout bronze Bush Bearing after deducting the cost of scrap materials as directed by TWAD Board Officers.

Supply and Delivery of 1.Bronze Bush Bearing Suitable for the Bowl Assembly (Top Side) 2. Bronze Bush Bearing Suitable for the Bell Mouth (Bottom) for inplace of wornout Bronze Bush Bearings after deducting the cost of scrap materials as Directed by TWAD Board Officers.

Supply and delivery of MS Seamless required size of Coloumn pipe suitable for the VT Pumpset

Supply and delivery of spider suitable for the coloumn pipe including cost of Raw Materials, welding, polishing etc., complete as directed by TWAD officers

Supply and delivery of new intermedia ring (Prosperous bronze metal) between bowl assembly and as directed by TWAD officers

Supply and delivery of new bowl shaft for required size for required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) and as directed by TWAD officers

Supply and delivery of Top Load Bearing with Ratchet assembly including Required Grade lubricating components

Supply of Materials for attending the Repair and Renewal works of 170 HP VT Pump

Supply and Delivery of SS 410 New Pump Head Shaft for required mm and required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete)

Supply and Delivery of SS 410 New Pump Line Shaft for required mm and required length. (including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete)

Supply and delivery of stuffing box brone bush suitable for the Discharge Head assembly

Supply and Delivery of Required TVS Bolt , Nut and Washer for Bowl Assembly and all Column Pipe for inplace of Wornout Bolt and Nuts after deducting the cost of scrap materials and as Directed by TWAD Board Officers.

Supply and Delivery of Line shaft SS Coupling with Bush (including Raw Materials, Machining , Polishing etc., Complete)

Supply and Delivery of SS Sleeves Suitable for the Line Shaft for Inplace of Wornout SS Sleeves after deducting the cost of scrap materials as Directed by TWAD Board Officers.

Supply and Delivery of Spider Rubber Bush made in Hard Rubber and Finishing to Suit in Between the Casting Spider and Line shaft inplace of wornout Rubber Bush after deducting the cost of scrap materials as directed by TWAD Board Officers.

Supply and Delivery of Bronze Bush Bearing Suitable for Bowl Assembly and Pump Shaft inplace of wornout bronze Bush Bearing after deducting the cost of scrap materials as directed by TWAD Board Officers.

Supply and Delivery of 1.Bronze Bush Bearing Suitable for the Bowl Assembly (Top Side) 2. Bronze Bush Bearing Suitable for the Bell Mouth (Bottom) for inplace of wornout Bronze Bush Bearings after deducting the cost of scrap materials as Directed by TWAD Board Officers.

Supply and delivery of MS Seamless required size of Coloumn pipe suitable for the VT Pumpset

Supply and delivery of spider suitable for the coloumn pipe including cost of Raw Materials, welding, polishing etc., complete as directed by TWAD officers

Supply and delivery of new intermedia ring (Prosperous bronze metal) between bowl assembly and as directed by TWAD officers

Supply and delivery of new bowl shaft for required size for required length.(including Charge for Lathe Works, Grinding, Polishing, Threading, Key Way and other works etc.,Complete) and as directed by TWAD officers

Supply and delivery of Top Load Bearing with Ratchet assembly including Required Grade lubricating components

Supply of Materials for attending the Repair and Renewal works of various capacities of VT Pump

Supply of Materials for attending the Repair and Renewal works of 60 HP VT Pump

Charges for Removing the Hollow shaft Squirrel cage Induction Motor after disconnecting the Power supply Cable, Discharge Head, Head Shaft and Stuffing Box by using contractor tools at Collector Well / Collection Sump

Charges for removing the all Column pipes of VT Pumpset each 1.5 m / 2.00 m to length and bowl assemblly for attending Pump repair works

Transportation charges for conveying the VT Pump bowl assembly from Collector Well Pump room to Work Shop including usage of trolley along the Foot bridge and Van

Reconditioning of Stuffing Box for providing bronze bush suitable for fixing thr Rope Gland and Head Shaft to avoid frequent damaging of rope and to avoid spreading of more leakage water from the Rope Gland including lath works etc., complete.

Charges for Lathe work of reconditioning of Pump SS Shaft with balancing, SS Bushes and sleeves, charges for Spider bore nd outer dimension phase out lath works, reconditioning of impeller and impeller ring & charges fixing the bearing and bronze bushes in the bowl assembly including correct setting of impeller allignment etc complete

Transportation charges for conveying the VT Pump bowl assembly from our work shop to Collector Well Pump room including usage of trolley along the Foot bridge and Van

Charges for reassembling the all Column pipes of Turbine Pump set and bowl assemblly after attending Pump repair works in the proper allignment after attending the cleaning and painting work in the coloumn pipe and body of the bowl assembly

Re errection of reconditioned stuffing box, new Head shaft, Discharge head and Motor, fixing the Rachet load bearing assembly including filling of required 90 grade oil and Connecting the 440V AC incoming Cable to the Motor Terminal and fixing new rope in the rope gland and Checking Motor Pumpset Alignment and Rotation and testing with load etc.,Complete

Supply of Materials for attending the Repair and Renewal works of 120 HP VT Pump

Charges for Removing the Hollow shaft Squirrel cage Induction Motor after disconnecting the Power supply Cable, Discharge Head, Head Shaft and Stuffing Box by using contractor tools at Collector Well / Collection Sump

Charges for removing the all Column pipes of VT Pumpset each 1.5 m / 2.00 m to length and bowl assemblly for attending Pump repair works

Transportation charges for conveying the VT Pump bowl assembly from Collector Well Pump room to Work Shop including usage of trolley along the Foot bridge and Van

Reconditioning of Stuffing Box for providing bronze bush suitable for fixing thr Rope Gland and Head Shaft to avoid frequent damaging of rope and to avoid spreading of more leakage water from the Rope Gland including lath works etc., complete.

Charges for Lathe work of reconditioning of Pump SS Shaft with balancing, SS Bushes and sleeves, charges for Spider bore nd outer dimension phase out lath works, reconditioning of impeller and impeller ring & charges fixing the bearing and bronze bushes in the bowl assembly including correct setting of impeller allignment etc complete

Transportation charges for conveying the VT Pump bowl assembly from our work shop to Collector Well Pump room including usage of trolley along the Foot bridge and Van

Charges for reassembling the all Column pipes of Turbine Pump set and bowl assemblly after attending Pump repair works in the proper allignment after attending the cleaning and painting work in the coloumn pipe and body of the bowl assembly

Re errection of reconditioned stuffing box, new Head shaft, Discharge head and Motor, fixing the Rachet load bearing assembly including filling of required 90 grade oil and Connecting the 440V AC incoming Cable to the Motor Terminal and fixing new rope in the rope gland and Checking Motor Pumpset Alignment and Rotation and testing with load etc.,Complete

Supply of Materials for attending the Repair and Renewal works of 170 HP VT Pump

Charges for Removing the Hollow shaft Squirrel cage Induction Motor after disconnecting the Power supply Cable, Discharge Head, Head Shaft and Stuffing Box by using contractor tools at Collector Well / Collection Sump

Charges for removing the all Column pipes of VT Pumpset each 1.5 m / 2.00 m to length and bowl assemblly for attending Pump repair works

Transportation charges for conveying the VT Pump bowl assembly from Collector Well Pump room to Work Shop including usage of trolley along the Foot bridge and Van

Reconditioning of Stuffing Box for providing bronze bush suitable for fixing thr Rope Gland and Head Shaft to avoid frequent damaging of rope and to avoid spreading of more leakage water from the Rope Gland including lath works etc., complete.

Charges for Lathe work of reconditioning of Pump SS Shaft with balancing, SS Bushes and sleeves, charges for Spider bore nd outer dimension phase out lath works, reconditioning of impeller and impeller ring & charges fixing the bearing and bronze bushes in the bowl assembly including correct setting of impeller allignment etc complete

Transportation charges for conveying the VT Pump bowl assembly from our work shop to Collector Well Pump room including usage of trolley along the Foot bridge and Van

Charges for reassembling the all Column pipes of Turbine Pump set and bowl assemblly after attending Pump repair works in the proper allignment after attending the cleaning and painting work in the coloumn pipe and body of the bowl assembly

Re errection of reconditioned stuffing box, new Head shaft, Discharge head and Motor, fixing the Rachet load bearing assembly including filling of required 90 grade oil and Connecting the 440V AC incoming Cable to the Motor Terminal and fixing new rope in the rope gland and Checking Motor Pumpset Alignment and Rotation and testing with load etc.,Complete

Attending the Rewinding and replacement of bearings of Induction Motor for Vertical Turbine Pumpset

Attending the Rewinding and replacement of bearings of Induction Motor for Vertical Turbine Pumpset of 60 HP

Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials.

Transportation charges for conveying the motor from the Station to Our work shop including loading and unloading charges.

Labour Charges for removing the two end side cover with fan arrangements and Dismantling the damaged NDE Side ball Bearing from the motor after removing the Rachet assembly load bearing safely and Fixing the New ball Bearing in the appropriate place with required lubricants without any damage to the motor shaft and winding after deducting the old damaged materials.

Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motor

Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc.,

Supply and delivery of Non Driven End Deep Grove ball Bearing SKF Make suitable for the Squirrel Gage Induction Motor.

Labour Charges fixing the NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the motor from work shop to pumping Station

Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc.,

Attending the Rewinding and replacement of bearings of Induction Motor for Vertical Turbine Pumpset of 120 HP

Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials.

Transportation charges for conveying the motor from the Station to Our work shop including loading and unloading charges.

Labour Charges for removing the two end side cover with fan arrangements and Dismantling the damaged NDE Side ball Bearing from the motor after removing the Rachet assembly load bearing safely and Fixing the New ball Bearing in the appropriate place with required lubricants without any damage to the motor shaft and winding after deducting the old damaged materials.

Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motor

Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc.,

Supply and delivery of Non Driven End Deep Grove ball Bearing SKF Make suitable for the Squirrel Gage Induction Motor.

Labour Charges fixing the NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the motor from work shop to pumping Station

Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc.,

Attending the Rewinding and replacement of bearings of Induction Motor for Vertical Turbine Pumpset of 170 HP

Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials.

Transportation charges for conveying the motor from the Station to Our work shop including loading and unloading charges.

Labour Charges for removing the two end side cover with fan arrangements and Dismantling the damaged NDE Side ball Bearing from the motor after removing the Rachet assembly load bearing safely and Fixing the New ball Bearing in the appropriate place with required lubricants without any damage to the motor shaft and winding after deducting the old damaged materials.

Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motor

Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc.,

Supply and delivery of Non Driven End Deep Grove ball Bearing SKF Make suitable for the Squirrel Gage Induction Motor.

Labour Charges fixing the NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the motor from work shop to pumping Station

Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc.,

Repair and Reconditioning of Valves

Repairing / reconditioning of 150mm size Sluice Valve (for line valve / for Scour valve) including all material, labour

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Repairing / reconditioning of 200mm size Sluice Valve (for line valve / for Scour valve) including all material, labour

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Repairing / reconditioning of 300mm size Sluice Valve (for line valve / for Scour valve) including all material, labour

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Repairing / reconditioning of 350mm size Sluice Valve (for line valve / for Scour valve) including all material, labour

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenance works

80 W LED Street Light Fitting with LED Higher end

48 W LED Street Light Fitting with LED Higher end

Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415/440V 50HZ conforming to ISS with ISI marking

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

Packing rope 10mm

Packing rope 12 mm

Packing rope 16 mm

R I Sheet

Repair and Reconditioning of the Double Air Valve / Single Chamber Air Release Valve including the Cost of Air Valve Ball, Rubber Washer and required Bolt & Nuts, etc., complete

Ball in 80mm air valves

Attending the Cable fault in the following sizes of Aluminium Armoured Cable of Openwell, Borewell and Infiltration Well Sources,etc., for identifying the short circuit in the 3 core 1.1 KV Grade Armoured Aluminium Conductor Cable as directed by TWAD Board Officers

Supply and delivery of L.T. Cables 3 Core 1.1 KV Grade Armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (PART I)/1988 and as amended thereafter with ISI Marking

Hire charges for deploying earth moving machinery (JCB/Poclain) for earthwork including diesel, oil and labour charges etc., complete for the Jungle Cleaning.

Servicing of Transformer Struture including Oil Filtration, insulator change, baby switch changes, lighting arrester, etc…

Attending Repairs works in 100 kVA (Palayaseevaram HW & Kadeperi BS)

Charges for removing the Transformer from the plinth after disconnecting the incomming & outgoing supply terminations, earthing, neutral connection in the Transformer loading to vehicle with mobile grane and conveying to workshop unloading the transformer with mobile crane as per site condition and as directed by TWAD Board Officers.

Charges for disconnecting the incomming & outgoing (LT & HT Side) supply terminations, earthing, neutral connection in the Transformer and drain out the oil from the conservator Tank and Transformer tank up to the required level and stacking the containers to attend the repair works/ Oil leakages and as directed by TWAD Board Officers.

Charges Opening the Transformer Top cover after disconnecting the inside terminal connections, weakening / damaged bushes, brash stud bolt & Nuts and lifting Transformer core & winding without damages etc., complete.

Charges for cleaning the winding coils of the Transformer free from moisture and cleaning the inside walls of the Transformer by using required new Transformer oil without any damage to the Transformer Coil

Charges for fixing the required capacity brass LT terminal bush 3nos, copper connecting plate,3 nos using necessary bushes, screws bolt nuts etc., complete

Charges for re-fixing the Transformer Top cover with conservator tank on the Transformer and connecting with all inside terminal connections including HT terminals by using required bolt & nuts and filling the tapped oil upto the mark of level indicator and charging the transformers, testing with load etc., complete

Charges for rewinding of Three phase of 11KV/22KV/ 433V Transformer in the suitable core assembly including charges for removing the burnt coil and allining of core assembly and including required insulating materials etc complete after deducting the cost burned scrap.

Charges for improving of IR Value of Transformer using electric oven - Heat Champer (LT winding, HT winding and Transformer core) etc., complete as directed by TWAD Board officers.

Charges for two coats of painting the Transformer as directed by TWAD Board officers.

Charges for two coats of painting the 6 Pole Structure and yard fencing etc,. complete as directed by TWAD Board officers.

Charges for Eart Pit Value Checking with Certificate

Charges for 11KV/433V Transformer loading to vehicle with mobile grane and conveying to Pumphouse Unloading the above transformer with mobile crane Re-erection of transformer with cable termination earthing and neutral connection testing of No Load and Load testing at pumphouse as per site condition and existing arrangements and as directed by TWAD Board Officers.

Charges for transformer oil filtration using hot air vacuum filtering unit up to the required BDV value and submitting test result of both BDV and Acidity etc .complete and as directed by TWAD board officers.

Supply and delivery of required size of LT Brass rod with terminal bushing with 4 no of nuts, washers and insulating sleeves etc., complete

Supply and delivery of required capacity copper,connecting plate for cable termination .

Supply and delivery of required size copper HT terminal rod with Bushing and required Bolt & Nuts with washers

Supply and Delivery of Cork Packing Sheet, Cork Bush for LT and HT side, oil level Indicator as directed by TWAD Board officers after deducting the cost of old scraps

Supply and delivery of new LT/HT Coil made EC Grade DP coveriong copper wire for winding of 11KV/22KV/433V Transformer and required insulating materials etc., complete

Supply of transformer oil grade “A” for using cooling purpose of transformer winding AS per IS 335/1983, HT 11KV/ 22KV/ 415 V transformer (including transport , loading an unloading etc complete) Directed by TWAD board officers.

Supply and delivery of Drop Out fuse fixing unit set

Supply, delivery and fixing of Drop Out fuse Top Contact and bottom Contact

Supply and delivery of Breather with Silica gel of required size for the Transfomer

Supply and delivery of Silica gel

Supply and delivery of 11 KV / 22 KV Lightning Arrestor

Attending Repairs works in 250 kVA (Krishna Nagar BS)

Charges for removing the Transformer from the plinth after disconnecting the incomming & outgoing supply terminations, earthing, neutral connection in the Transformer loading to vehicle with mobile grane and conveying to workshop unloading the transformer with mobile crane as per site condition and as directed by TWAD Board Officers.

Charges for disconnecting the incomming & outgoing (LT & HT Side) supply terminations, earthing, neutral connection in the Transformer and drain out the oil from the conservator Tank and Transformer tank up to the required level and stacking the containers to attend the repair works/ Oil leakages and as directed by TWAD Board Officers.

Charges Opening the Transformer Top cover after disconnecting the inside terminal connections, weakening / damaged bushes, brash stud bolt & Nuts and lifting Transformer core & winding without damages etc., complete.

Charges for cleaning the winding coils of the Transformer free from moisture and cleaning the inside walls of the Transformer by using required new Transformer oil without any damage to the Transformer Coil

Charges for fixing the required capacity brass LT terminal bush 3nos, copper connecting plate,3 nos using necessary bushes, screws bolt nuts etc., complete

Charges for re-fixing the Transformer Top cover with conservator tank on the Transformer and connecting with all inside terminal connections including HT terminals by using required bolt & nuts and filling the tapped oil upto the mark of level indicator and charging the transformers, testing with load etc., complete

Charges for rewinding of Three phase of 11KV/22KV/ 433V Transformer in the suitable core assembly including charges for removing the burnt coil and allining of core assembly and including required insulating materials etc complete after deducting the cost burned scrap.

Charges for improving of IR Value of Transformer using electric oven - Heat Champer (LT winding, HT winding and Transformer core) etc., complete as directed by TWAD Board officers.

Charges for two coats of painting the Transformer as directed by TWAD Board officers.

Charges for two coats of painting the 6 Pole Structure and yard fencing etc,. complete as directed by TWAD Board officers.

Charges for Eart Pit Value Checking with Certificate

Charges for 11KV/433V Transformer loading to vehicle with mobile grane and conveying to Pumphouse Unloading the above transformer with mobile crane Re-erection of transformer with cable termination earthing and neutral connection testing of No Load and Load testing at pumphouse as per site condition and existing arrangements and as directed by TWAD Board Officers.

Charges for transformer oil filtration using hot air vacuum filtering unit up to the required BDV value and submitting test result of both BDV and Acidity etc .complete and as directed by TWAD board officers.

Supply and delivery of required size of LT Brass rod with terminal bushing with 4 no of nuts, washers and insulating sleeves etc., complete

Supply and delivery of required capacity copper,connecting plate for cable termination .

Supply and delivery of required size copper HT terminal rod with Bushing and required Bolt & Nuts with washers

Supply and Delivery of Cork Packing Sheet, Cork Bush for LT and HT side, oil level Indicator as directed by TWAD Board officers after deducting the cost of old scraps

Supply and delivery of new LT/HT Coil made EC Grade DP coveriong copper wire for winding of 11KV/22KV/433V Transformer and required insulating materials etc., complete

Supply of transformer oil grade “A” for using cooling purpose of transformer winding AS per IS 335/1983, HT 11KV/ 22KV/ 415 V transformer (including transport , loading an unloading etc complete) Directed by TWAD board officers.

Supply and delivery of Drop Out fuse fixing unit set

Supply, delivery and fixing of Drop Out fuse Top Contact and bottom Contact

Supply and delivery of Breather with Silica gel of required size for the Transfomer

Supply and delivery of Silica gel

Supply and delivery of 11 KV / 22 KV Lightning Arrestor

Attending the Repair works in DOL Starter, Star Delta Starter, ATS Starter & Soft Starter

Attending the repair works in DOL Starter upto 5HP

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in Auto Transformer Starter From 7.50 HP

Labour Charges for removing the Burnt ATS Coil after draining the contaminated oil and cleaing the oil tank and fixing the ATS Coil after attending the rewinding work and filling the required oil in the oil tank etc., Complete., and as directed by TWAD Board officers.

Charges for Conveying the ATS Coil from pumping Station to workshop and Workshop to pumping Station

Charges for Removing the old wire from the ATS Coil , Cleaning, Rewinding of ATS Coil by using double Coated Enamel Copper Wire and all insulation materials including the cost of materials after deducting old scrap materials etc., complete

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, OLR, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in Auto Transformer Starter From 20 HP

Labour Charges for removing the Burnt ATS Coil after draining the contaminated oil and cleaing the oil tank and fixing the ATS Coil after attending the rewinding work and filling the required oil in the oil tank etc., Complete,as directed by TWAD Board officers.

Charges for Conveying the ATS Coil from pumping Station to workshop and Workshop to pumping Station

Charges for Removing the old wire from the ATS Coil , Cleaning, Rewinding of ATS Coil by using double Coated Enamel Copper Wire and all insulation materials including the cost of materials after deducting old scrap materials etc., complete

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, OLR, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in Soft Starter of 60 HP

Labour Charges for removing the Burnt FCMA Coil, After Disconnecting the terminal connection and fixing the FCMA Coil after attending the rewinding work.

Charges for Conveying the FCMA Coil from pumping Station to workshop and Workshop to pumping Station

Labour Charges for Removal of unservicable contactor with all terminal connection suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Charges for Removing the old wire from the FCMA Coil ,Cleaning, Rewinding of FCMA Coil and supply and delivery of Double Coated Enamel Copper Wire and all insulation materials after deducting old scrap materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Tin Copper Fibre Glass Wire for Main Control Wire suitable for the starter after deducting the old scrap value as directed by TWAD Board Officers.

Replacement of Side mounting Add-on Auxillary Contact Block including the cost of material Suitable for the starter, as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in Soft Starter of 75 HP

Labour Charges for removing the Burnt FCMA Coil, After Disconnecting the terminal connection and fixing the FCMA Coil after attending the rewinding work.

Charges for Conveying the FCMA Coil from pumping Station to workshop and Workshop to pumping Station

Labour Charges for Removal of unservicable contactor with all terminal connection suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Charges for Removing the old wire from the FCMA Coil ,Cleaning, Rewinding of FCMA Coil and supply and delivery of Double Coated Enamel Copper Wire and all insulation materials after deducting old scrap materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Tin Copper Fibre Glass Wire for Main Control Wire suitable for the starter after deducting the old scrap value as directed by TWAD Board Officers.

Replacement of Side mounting Add-on Auxillary Contact Block including the cost of material Suitable for the starter, as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in Soft Starter of 120 HP

Labour Charges for removing the Burnt FCMA Coil, After Disconnecting the terminal connection and fixing the FCMA Coil after attending the rewinding work.

Charges for Conveying the FCMA Coil from pumping Station to workshop and Workshop to pumping Station

Labour Charges for Removal of unservicable contactor with all terminal connection suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Charges for Removing the old wire from the FCMA Coil ,Cleaning, Rewinding of FCMA Coil and supply and delivery of Double Coated Enamel Copper Wire and all insulation materials after deducting old scrap materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Tin Copper Fibre Glass Wire for Main Control Wire suitable for the starter after deducting the old scrap value as directed by TWAD Board Officers.

Replacement of Side mounting Add-on Auxillary Contact Block including the cost of material Suitable for the starter, as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in Soft Starter of 170 HP

Labour Charges for removing the Burnt FCMA Coil, After Disconnecting the terminal connection and fixing the FCMA Coil after attending the rewinding work.

Charges for Conveying the FCMA Coil from pumping Station to workshop and Workshop to pumping Station

Labour Charges for Removal of unservicable contactor with all terminal connection suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Tin Copper Fibre Glass Wire for Main Control Wire suitable for the starter after deducting the old scrap value as directed by TWAD Board Officers.

Replacement of Side mounting Add-on Auxillary Contact Block including the cost of material Suitable for the starter, as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

32 Amps TPN Metal clad switch with rewirable fuse units

Single Phase Preventer - Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Electromagnetic Contactor - 32 Amps

Digital Voltmeter - 3 Phase

Digital Ammeter - 3 Phase

BOX TYPE SINGLE FLUORESCENT FITTING WITH COPPER CHOKE AND CONDENSOR COMPLETE WITH ISI MARK - 4 Ft. 40 Watts with ballast (Lower end)

Supply and delivery of L.T. Cables 3 Core 1.1 KV Grade Armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (PART I)/1988 and as amended thereafter with ISI Marking

Supply and delivery of PVC insulated and sheathed 3 core flat type copper cable confirming to IS 694/1990 and as amended thereafter

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete.

1.00LL capacity of sump - 3 Nos

3.00LL capacity of sump - 2 Nos

5.00LL capacity of sump

0.5 LL capacity of sump

1.30 LL capacity of sump

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete.

Liquid Chlorine as per standard specification. 576.60 lit x 365 days = 210459 Litres

CWSS to Maraimalai Nagar Municipality in Chengalpattu District

Attending Leaks in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

140 mm OD PVC pipes of all Classes.

300 mm AC pipes of all Classes.

250 mm AC pipes of all Classes.

500 mm AC pipes of all Classes.

500 mm DI pipes of all Classes.

600 mm DI pipes of all Classes.

600 mm CI pipes of all Classes.

90 mm HDPE Pipes

100 mm DI Pipes

150mm DI Pipes (Connecting main)

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

300 mm AC pipes of all Classes.

500 mm AC pipes of all Classes.

500 mm DI pipes of all Classes.

600 mm DI pipes of all Classes.

Supply and Delivery of MJ Collars of the following Size

Attending the Repair and Renewal works in Submersible Pumpset

3HP Openwell Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

5HP Openwell Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

7.5HP Openwell Submersible Pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset(Various HSC Motor)

Rewinding of coil for 150HP Motor of HSC Pumpsets including all material, labour, etc.

Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials.

Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges.

Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and non driven end bearings.

Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motor

Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc.,

Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motor

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the motor from work shop to Pumping Station

Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc.,

Rewinding of coil for 40HP Motor of HSC Pumpsets including all material, labour, etc.

Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials.

Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges.

Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and non driven end bearings.

Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motor

Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc.,

Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motor

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the motor from work shop to Pumping Station

Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc.,

Rewinding of coil for 25HP Motor of HSC Pumpsets including all material, labour, etc.

Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials.

Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges.

Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and non driven end bearings.

Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motor

Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc.,

Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motor

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the motor from work shop to Pumping Station

Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc.,

Attending the Repair and Replacement of bearings in various HSC Pump

Repairing / reconditioning of Pump for 150HP HSC Pumpsets including all material, labour, etc.

Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials.

Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges.

Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings

Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and etc.,

Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials

Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine

Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials

Supply and delivery of Driven End and Non Driven End bearings

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the Pump assembly from work shop to Pumping Station.

Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running etc.,

Repairing / reconditioning of Pump for 125HP HSC Pumpsets including all material, labour, etc.

Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials.

Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges.

Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings

Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and etc.,

Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials

Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine

Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials

Supply and delivery of Driven End and Non Driven End bearings

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the Pump assembly from work shop to Pumping Station.

Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running etc.,

Repairing / reconditioning of Pump for 40HP HSC Pumpsets including all material, labour, etc.

Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials.

Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges.

Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings

Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and etc.,

Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials

Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine

Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials

Supply and delivery of Driven End and Non Driven End bearings

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the Pump assembly from work shop to Pumping Station.

Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running etc.,

Repairing / reconditioning of Pump for 25HP HSC Pumpsets including all material, labour, etc.

Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials.

Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges.

Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings

Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and etc.,

Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials

Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine

Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials

Supply and delivery of Driven End and Non Driven End bearings

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the Pump assembly from work shop to Pumping Station.

Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running etc.,

Repair and Reconditioning of Valves

Repairing / reconditioning of 350mm size Sluice Valve (for line valve / for Scour valve) including all material, labour (specify type of Sluice Valve and type of repair to be carried out).

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Repairing / reconditioning of 300mm size Sluice Valve (for line valve / for Scour valve) including all material, labour (specify type of Sluice Valve and type of repair to be carried out).

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Repairing / reconditioning of 250mm size Sluice Valve (for line valve / for Scour valve) including all material, labour (specify type of Sluice Valve and type of repair to be carried out).

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Repairing / reconditioning of 200mm size Sluice Valve (for line valve / for Scour valve) including all material, labour (specify type of Sluice Valve and type of repair to be carried out).

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Repairing / reconditioning of 100mm size Sluice Valve (for line valve / for Scour valve) including all material, labour (specify type of Sluice Valve and type of repair to be carried out).

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

32 Amps TPN Metal clad switch with rewirable fuse units

Single Phase Preventer - Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Electromagnetic Contactor - 32 Amps

Digital Voltmeter - 3 Phase

Digital Ammeter - 3 Phase

LED Outdoor Fittings (Light Emitting Diode) Higher End

48W LED Street Light fitting with LED

Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415/440V 50 HZ conforming to ISS with ISI marking

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

Packing rope 10mm

Packing rope 12 mm

Packing rope 16 mm

R I Sheet

Air Valves

Repair and Reconditioning of the Double Air Valve / Single Chamber Air Release Valve including the Cost of Air Valve Ball, Rubber Washer and required Bolt & Nuts, etc., complete - 100mm Ball Valve

Attending the Cable fault in the following sizes of Aluminium Armoured Cable of Openwell, Borewell and Infiltration Well Sources,etc., for identifying the short circuit in the 3 core 1.1 KV Grade Armoured Aluminium Conductor Cable as directed by TWAD Board Officers

Supply, delivery & laying of 4sq.mm PVC Insulated and Sheathed 3 Core Flat type Copper Cable confirming to IS 694/1990 and as amended thereafter for erecting into the sources including joints with all material, labour, etc. for 5HP Submersible Pumspet

Suppy and delivery of L.T. CABLES 3 CORE 1.1 KV GRADE ARMOURED ALUMINIUM CONDUCTOR CROSS LINKED POLY ETHYLENE INSULATED PVC SHEATHED CABLES CONFORMING TO IS 7098 (PART I)/1988 AND AS AMENDED THEREAFTER WITH ISI MARKING

Attending the Repair works in 11 KV & 22 KV / 433 V Transformer

Charges for removing the Transformer from the plinth after disconnecting the incomming & outgoing supply terminations, earthing, neutral connection in the Transformer loading to vehicle with mobile grane and conveying to workshop unloading the transformer with mobile crane as per site condition and as directed by TWAD Board Officers.

Charges for disconnecting the incomming & outgoing (LT & HT Side) supply terminations, earthing, neutral connection in the Transformer and drain out the oil from the conservator Tank and Transformer tank up to the required level and stacking the containers to attend the repair works/ Oil leakages and as directed by TWAD Board Officers.

Charges Opening the Transformer Top cover after disconnecting the inside terminal connections, weakening / damaged bushes, brash stud bolt & Nuts and lifting Transformer core & winding without damages etc., complete.

Charges for cleaning the winding coils of the Transformer free from moisture and cleaning the inside walls of the Transformer by using required new Transformer oil without any damage to the Transformer Coil

Charges for fixing the required capacity brass LT terminal bush 3nos, copper connecting plate,3 nos using necessary bushes, screws bolt nuts etc., complete

Charges for re-fixing the Transformer Top cover with conservator tank on the Transformer and connecting with all inside terminal connections including HT terminals by using required bolt & nuts and filling the tapped oil upto the mark of level indicator and charging the transformers, testing with load etc., complete

Charges for rewinding of Three phase of 11KV/22KV/ 433V Transformer in the suitable core assembly including charges for removing the burnt coil and allining of core assembly and including required insulating materials etc complete after deducting the cost burned scrap.

Charges for improving of IR Value of Transformer using electric oven - Heat Champer (LT winding, HT winding and Transformer core) etc., complete as directed by TWAD Board officers.

Charges for two coats of painting the Transformer as directed by TWAD Board officers.

Charges for two coats of painting the 6 Pole Structure and yard fencing etc,. complete as directed by TWAD Board officers.

Charges for Eart Pit Value Checking with Certificate

Charges for 11KV/433V Transformer loading to vehicle with mobile grane and conveying to Pumphouse Unloading the above transformer with mobile crane Re-erection of transformer with cable termination earthing and neutral connection testing of No Load and Load testing at pumphouse as per site condition and existing arrangements and as directed by TWAD Board Officers.

Charges for transformer oil filtration using hot air vacuum filtering unit up to the required BDV value and submitting test result of both BDV and Acidity etc .complete and as directed by TWAD board officers.

Supply and delivery of required size of LT Brass rod with terminal bushing with 4 no of nuts, washers and insulating sleeves etc., complete

Supply and delivery of required capacity copper,connecting plate for cable termination .

Supply and delivery of required size copper HT terminal rod with Bushing and required Bolt & Nuts with washers

Supply and Delivery of Cork Packing Sheet, Cork Bush for LT and HT side, oil level Indicator as directed by TWAD Board officers after deducting the cost of old scraps

Supply and delivery of new LT/HT Coil made EC Grade DP coveriong copper wire for winding of 11KV/22KV/433V Transformer and required insulating materials etc., complete

Supply of transformer oil grade “A” for using cooling purpose of transformer winding AS per IS 335/1983, HT 11KV/ 22KV/ 415 V transformer (including transport , loading an unloading etc complete) Directed by TWAD board officers.

Supply and delivery of Drop Out fuse fixing unit set

Supply, delivery and fixing of Drop Out fuse Top Contact and bottom Contact

Supply and delivery of Breather with Silica gel of required size for the Transfomer

Supply and delivery of Silica gel

Supply and delivery of 11 KV / 22 KV Lightning Arrestor

Servicing of VFD Panel board including contactors, etc.,

Hire charges for deploying earth moving machinery (JCB/Poclain) for earthwork including diesel, oil and labour charges etc., complete for the Jungle Cleaning.

Attending the repair works in 5HP DOL Starter

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in Star Delta Starter

40 HP Star Delta Starter

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Side mounting Add-on Auxillary Contact Block including the cost of material Suitable for the starter, as directed by TWAD Board Officers.

Supply and Delivery of Tin Copper Fibre Glass Wire for Main Control Wire suitable for the starter after deducting the old scrap value as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

25 HP Star Delta Starter

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Supply, delivery and Fixing of GI inlet pipe as per IS Standard specifications for the OHTs, Sump & Other Storage Structures etc., and complete all., for the Following sizes

80mm Gate Valve

50mm Gate Valve

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete.

3.30 LL Capacity of Sump (2 Nos. )

6.60 LL Capacity of Sump

5.00LL capacity of sump (1 Nos.)

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete.

Bleaching powder of 33 % concentration as per standard specification. 25.74 kg x 365 days = 9395.1 kg

CWSS to Nandivaram-Guduvanchery and 29 Other Habitations in Chengalpattu District.

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Officers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity.

Attending Leaks in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

300 mm AC pipes of all Classes.

300 mm DI pipes of all Classes.

300 mm CI pipes of all Classes.

250 mm AC pipes of all Classes.

90 mm HDPE pipes of PN6 Classes.(Connecting main)

150mm DI Pipes (Connecting main)

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

300 mm AC pipes of all Classes.

Supply, Delivery and fixing of MJ Collars of the following Size

Supply, Delivery and fixing of C.I.D Joints as per IS 8794/1988 of the following size

300mm class 15

250mm class 15

Supply and delivery of PVC/HDPE Pipes as per IS specifiations

90 mm HDPE pipes of all Classes.

Labour charges for attending repair and renewal of Infiltration / Bore Well Submersible/Monoblock Pumpset and its accessories from the Sources/Collection Sump including disjointing the submersible cable, etc., complete for the rewinding/reconditioning work including removing and reerction of Infiltration/ Bore Well Submersible/Monoblock Pumpsets and its accessories after repair work into Sources/Collection Sump .

5HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Attending the 25HP Rewinding and replacement of bearings of Induction Motor for HSC Pumpset(Various HSC Motor)

Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials.

Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges.

Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and non driven end bearings.

Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motor

Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc.,

Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motor

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the motor from work shop to Pumping Station

Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc.,

Attending the Repair and Replacement of bearings in 25HP HSC Pump

Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials.

Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges.

Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings

Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and etc.,

Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials

Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine

Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials

Supply and delivery of Driven End and Non Driven End bearings

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the Pump assembly from work shop to Pumping Station.

Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running etc.,

Attending the Repair and Replacement of bearings in various HSC Pump(20 HP)

Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials.

Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges.

Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings

Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and etc.,

Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials

Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine

Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials

Supply and delivery of Driven End and Non Driven End bearings

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the Pump assembly from work shop to Pumping Station.

Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running etc.,

Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset(Various HSC Motor)

Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials.

Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges.

Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and non driven end bearings.

Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motor

Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc.,

Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motor

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the motor from work shop to Pumping Station

Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc.,

Repairing / reconditioning of 200mm size Sluice Valve (for line valve / for Scour valve) including all material, labour

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete.

1.00LL capacity of sump (1 No x 2)

Attending the repair works in DOL Starter upto 5HP

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in Auto Transformer Starter for 15HP

Labour Charges for removing the Burnt ATS Coil after draining the contaminated oil and cleaing the oil tank and fixing the ATS Coil after attending the rewinding work and filling the required oil in the oil tank etc., Complete., and as directed by TWAD Board officers.

Charges for Conveying the ATS Coil from pumping Station to workshop and Workshop to pumping Station

Charges for Removing the old wire from the ATS Coil , Cleaning, Rewinding of ATS Coil by using double Coated Enamel Copper Wire and all insulation materials including the cost of materials after deducting old scrap materials etc., complete

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, OLR, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in Auto Transformer Starter for 25HP

Labour Charges for removing the Burnt ATS Coil after draining the contaminated oil and cleaing the oil tank and fixing the ATS Coil after attending the rewinding work and filling the required oil in the oil tank etc., Complete,as directed by TWAD Board officers.

Charges for Conveying the ATS Coil from pumping Station to workshop and Workshop to pumping Station

Charges for Removing the old wire from the ATS Coil , Cleaning, Rewinding of ATS Coil by using double Coated Enamel Copper Wire and all insulation materials including the cost of materials after deducting old scrap materials etc., complete

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, OLR, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

32 Amps TPN Metal clad switch with rewirable fuse units

Single Phase Preventer - Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Electromagnetic Contactor - 32 Amps

Digital Voltmeter - 3 Phase

Digital Ammeter - 3 Phase

Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415 / 440V 50 HZ conforming to ISS with ISI marking

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

Packing rope 10mm

Packing rope 12 mm

Packing rope 16 mm

R I Sheet

BOX TYPE SINGLE FLUORESCENT FITTING WITH COPPER CHOKE AND CONDENSOR COMPLETE WITH ISI MARK - 4 Ft. 40 Watts with ballast (Lower end)

Attending the Cable fault in the following sizes of Aluminium Armoured Cable of Openwell, Borewell and Infiltration Well Sources,etc., for identifying the short circuit in the 3 core 1.1 KV Grade Armoured Aluminium Conductor Cable as directed by TWAD Board Officers

Supply and delivery of L.T. Cables 3 Core 1.1 KV Grade Armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (PART I)/1988 and as amended thereafter with ISI Marking

Supply and delivery of PVC insulated and sheathed 3 core flat type copper cable confirming to IS 694/1990 and as amended thereafter

Hire charges for deploying earth moving machinery (JCB/Poclain) for earthwork including diesel, oil and labour charges etc., complete.

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete.

Bleaching powder of 33 % concentration as per standard specification. 13.15 kg x 365 days = 4801 kg

CWSS to Melmaruvathur - Acharapakkam in Chengalpattu District

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Officers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity. 365 DAYS X 1.450 MLD = 529.25 ML

Attending Leaks in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

160 mm OD PVC pipe 4KSC

140 mm OD PVC pipe 4KSC

110 mm OD PVC pipe 4KSC

250 mm AC pipes of all Classes.

200 mm AC pipes of all Classes.

200 mm CI pipes of all Classes.

250 mm DI pipes of all Classes.

200 mm DI pipes of all Classes.

150 mm DI pipes of all Classes.

150 mm CI pipes of all Classes. (Connecting main)

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

160 mm OD PVC pipes of all Classes.

250 mm AC pipes of all Classes.

200 mm AC pipes of all Classes.

Supply, Delivery and fixing of MJ Collars of the following Size

Supply, Delivery and fixing of C.I.D Joints as per IS 8794/1988 of the following size

200mm class 15

250mm class 15

300mm class 15

Labour charges for attending repair and renewal of Infiltration / Bore Well Submersible/Monoblock Pumpset and its accessories from the Sources/Collection Sump including disjointing the submersible cable, etc., complete for the rewinding/reconditioning work including removing and reerction of Infiltration/ Bore Well Submersible/Monoblock Pumpsets and its accessories after repair work into Sources/Collection Sump .

7.5 HP Motor of submersible Pumpsets including all material, labour, etc. (OW - 3 Nos at Thathankuppm HW)

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

5 HP Motor of submersible Pumpsets including all material, labour, etc. (IW - 2 Nos at Mulli HW)

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Attending the Rewinding and replacement of bearings of Induction Motor for HSC Pumpset(Various HSC Motor)

Rewinding of coil for 40HP Motor of HSC Pumpsets including all material, labour, etc.(Pakkam BS-2 Nos)

Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials.

Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges.

Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and non driven end bearings.

Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motor

Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc.,

Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motor

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the motor from work shop to Pumping Station

Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc.,

Rewinding of coil for 30HP Motor of HSC Pumpsets including all material, labour, etc.(Mulli HW-2 Nos)

Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials.

Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges.

Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and non driven end bearings.

Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motor

Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc.,

Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motor

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the motor from work shop to Pumping Station

Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc.,

Rewinding of coil for 25HP Motor of HSC Pumpsets including all material, labour, etc.(Pakkam BS-2Nos)

Charges for removing the motor from bed after disconnection of power supply cable, Earthing line and Coupling arrangements by using contractor tools and materials.

Transportation charges for conveying the motor from the Booster Station to Our work shop including loading and unloading charges.

Labour Charges for removing the two end side cover with fan arrangements and the damaged driven end and non driven end bearings.

Charges for removing the burnt wires from the rotor assembly and cleaning and checking the slots of rotor and labour charges for rewinding of Centrifugal Squirrel Cage Induction Motor after deducting the cost of old materials and including suppy and delivery of Class ‘F’ Insulation Super enameled Copper wire, required for rewinding and Fiber Glass wire, Fiber Glass Sleeves, Class ‘F’ insulation paper, Copper Socket and FG thread required for rewinding of Squirrel Cage Induction Motor

Labour Charges for reconditioning the worn out shaft for driven end and non driven end bearing seating, knurling, bend checking, and etc.,

Supply and delivery of Driven End and Non Driven End bearings suitable for the required Induction Motor

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the motor from work shop to Pumping Station

Charges for reassembling the motor with bed and pump coupling, alignment checking connecting power supply cable, including required bolt and Nuts and testing trial running etc.,

Attending the Repair and Replacement of bearings in various HSC Pump

Repairing / reconditioning of Pump for 40HP HSC Pumpsets including all material, labour, etc.(Pakkam BS)

Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials.

Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges.

Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings

Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and etc.,

Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials

Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine

Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials

Supply and delivery of Driven End and Non Driven End bearings

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the Pump assembly from work shop to Pumping Station.

Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running etc.,

Repairing / reconditioning of Pump for 30HP HSC Pumpsets including all material, labour, etc.(Mulli HW- 2 Nos)

Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials.

Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges.

Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings

Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and etc.,

Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials

Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine

Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials

Supply and delivery of Driven End and Non Driven End bearings

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the Pump assembly from work shop to Pumping Station.

Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running etc.,

Repairing / reconditioning of Pump for 25HP HSC Pumpsets including all material, labour, etc.(Pakkam BS-2 Nos)

Charges for removing the motor from bed assembly after dismantling of Coupling arrangements and removing the pump assembly and including the provision of dummy flange arrangements by using contractor tools and materials.

Transportation charges for conveying the Pump assembly from the Pumping Station to work shop including loading and unloading charges.

Labour Charges for removing the impeller by using hydralic system, DE and NDE Bearings

Labour Charges for reconditioning the worn out shaft including welding the shaft to suit the impeller and suit the driven end and non driven end bearing seating, knurling, bend checking and etc.,

Supply, delivery and fixing of Shaft sleeves in Gun metal including machining charges and making key ways after deducting the scrap materials

Balancing of Rotor with impeller both dyanamically and Hydralically by using required dyanamic balancing machine

Supply, delivery and fixing of Gunmetal seal rings for impeller neck including machining charges after deducting the scrap materials

Supply and delivery of Driven End and Non Driven End bearings

Labour Charges fixing the DE and NDE bearings correctly and neatly with required lubrications by contractors tools & Materials

Transportation charges for conveying the Pump assembly from work shop to Pumping Station.

Charges for reassembling the Pump with Motor by using pulley and alignment checking, including required bolt and Nuts and testing trial running etc.,

Repair and Reconditioning of Valves

Repairing / reconditioning of 100mm size Sluice Valve (for line valve / for Scour valve) including all material, labour (specify type of Sluice Valve and type of repair to be carried out).

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Repairing / reconditioning of 150mm size Sluice Valve (for line valve / for Scour valve) including all material, labour (specify type of Sluice Valve and type of repair to be carried out).

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Repairing / reconditioning of 200mm size Sluice Valve (for line valve / for Scour valve) including all material, labour (specify type of Sluice Valve and type of repair to be carried out).

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Air Valves

Repair and Reconditioning of the Double Air Valve / Single Chamber Air Release Valve including the Cost of Air Valve Ball, Rubber Washer and required Bolt & Nuts, etc., complete

80mm air valves

Attending the repair works in 5HP DOL Starter

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in Star Delta Starter

40 HP Star Delta Starter(Pakkam BS)

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Side mounting Add-on Auxillary Contact Block including the cost of material Suitable for the starter, as directed by TWAD Board Officers.

Supply and Delivery of Tin Copper Fibre Glass Wire for Main Control Wire suitable for the starter after deducting the old scrap value as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

35 HP Star Delta Starter(Mulli hw)

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Side mounting Add-on Auxillary Contact Block including the cost of material Suitable for the starter, as directed by TWAD Board Officers.

Supply and Delivery of Tin Copper Fibre Glass Wire for Main Control Wire suitable for the starter after deducting the old scrap value as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

25 HP Star Delta Starter(PakkamBS)

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in Auto Transformer Starter 40HP

Labour Charges for removing the Burnt ATS Coil after draining the contaminated oil and cleaing the oil tank and fixing the ATS Coil after attending the rewinding work and filling the required oil in the oil tank etc., Complete,as directed by TWAD Board officers.

Charges for Conveying the ATS Coil from pumping Station to workshop and Workshop to pumping Station

Charges for Removing the old wire from the ATS Coil , Cleaning, Rewinding of ATS Coil by using double Coated Enamel Copper Wire and all insulation materials including the cost of materials after deducting old scrap materials etc., complete

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, OLR, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in Star Delta Starter 7.5HP (Melmaruvathur BS)

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

Packing rope 10mm

Packing rope 12 mm

Packing rope 16 mm

R I Sheet

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

32 Amps TPN Metal clad switch with rewirable fuse units

Single Phase Preventer - Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Electromagnetic Contactor - 32 Amps

Digital Voltmeter - 3 Phase

Digital Ammeter - 3 Phase

Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415 / 440V 50 HZ conforming to ISS with ISI marking

LED Outdoor Fittings (Light Emitting Diode) Higher End

48W LED Street Light fitting with LED

Attending the Cable fault in the following sizes of Aluminium Armoured Cable of Openwell, Borewell and Infiltration Well Sources,etc., for identifying the short circuit in the 3 core 1.1 KV Grade Armoured Aluminium Conductor Cable as directed by TWAD Board Officers

Supply and delivery of L.T. Cables 3 Core 1.1 KV Grade Armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (PART I)/1988 and as amended thereafter with ISI Marking

Supply and delivery of PVC insulated and sheathed 3 core flat type copper cable confirming to IS 694/1990 and as amended thereafter

Charges for cleaning the sumps of TWAD Board by clearing the sludge and disposing it to near by boundary of the sump site including baling out the sludge water by using diesel pumpset of required capacity and removing the algae and scaling by scrapping, flushing the sump finally with bleaching powder and spreading bleaching powder around the sump , etc., complete and as directed by the departmental officers

1.00LL capacity of sump (2 Nos. x 4)(Mulli HW&Pakkam BS)

0.40LL capacity of sump (Melmaruvathur BS)

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete.

Bleaching powder of 33 % concentration as per standard specifications 8.79 kg x 365 days = 3209 kg

CWSS to Pudhupattinam & 18 Other Habitations in Chengalpattu District.

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Officers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity. 365 DAYS X 1.122 MLD = 409.530 ML

Attending Leaks in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

250 mm OD PVC pipes of all Classes.

225 mm OD PVC pipes of all Classes.

200 mm OD PVC pipes of all Classes.

140 mm OD PVC pipes of all Classes.

110 mm OD PVC pipes of all Classes.

90 mm OD PVC pipes of all Classes.

63 mm OD PVC pipes of all Classes.

250 mm DI pipes of all Classes.

200 mm DI pipes of all Classes.

150 mm DI pipes of all Classes.

150 mm GI pipes of all Classes.

100 mm GI pipes of all Classes.

80 mm GI pipes of all Classes.

90 mm HDPE pipes of all Classes.

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

250 mm OD PVC pipes of all Classes.

225 mm OD PVC pipes of all Classes.

200 mm OD PVC pipes of all Classes.

140 mm OD PVC pipes of all Classes.

110 mm OD PVC pipes of all Classes.

90 mm OD PVC pipes of all Classes.

63 mm OD PVC pipes of all Classes.

250 mm DI pipes of all Classes.

200 mm DI pipes of all Classes.

150 mm DI pipes of all Classes.

90 mm HDPE pipes of all Classes.

Rewinding of Motors in pumping stations iod in the Electrical, Mechanical and Electro-mechanical items to bring back the scheme / components into normal running conditition as per specification including all labour charges, cost of materials and all incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6 of General conditions of Contract Part II.

Rewinding of coil for 5HP Motor of Open well type submersible Pumpsets including all material, labour, etc.( IW-3 Nos Nerumbur HW)

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Rewinding of coil for 7.5 HP Motor of Open well type submersible Pumpsets including all material, labour, etc. (Nerumbur HW Sump)

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Rewinding of coil for5HP Motor of Open well type submersible Pumpsets including all material, labour, etc. (Vayaloor BS)

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Rewinding of coil for 20HP Motor Openwell Submersible Pumpsets including all material, labour, etc.(Vayaloor Sump)

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

supply, delivery & laying of 4sq.mm PVC Insulated and Sheathed 3 Core Flat type Copper Cable confirming to IS 694/1990 and as amended thereafter for erecting into the sources including joints with all material, labour, etc. for 5HP Submersible Pumspet

Attending the Cable fault in the following sizes of Aluminium Armoured Cable of Openwell, Borewell and Infiltration Well Sources,etc., for identifying the short circuit in the 3 core 1.1 KV Grade Armoured Aluminium Conductor Cable as directed by TWAD Board Officers

Supply and delivery of L.T. Cables 3 Core 1.1 KV Grade Armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (PART I)/1988 and as amended thereafter with ISI Marking

Supply and delivery of the following Electrical Works consumable items at the site of work to carryout the general maintenace works

32AMps Electromagntic contacts or contactors, repairs to isolators

Bulbs ( LED / Tube / Incandescent / others)

5 HP Starter AT NERUMBUR & VAYALOOR

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

7.5 HP Star Delta Starter AT NERUMBUR - Service

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

20HP ATS Starter AT VAYALOOR

Labour Charges for removing the Burnt ATS Coil after draining the contaminated oil and cleaing the oil tank and fixing the ATS Coil after attending the rewinding work and filling the required oil in the oil tank etc., Complete,as directed by TWAD Board officers.

Charges for Conveying the ATS Coil from pumping Station to workshop and Workshop to pumping Station

Charges for Removing the old wire from the ATS Coil , Cleaning, Rewinding of ATS Coil by using double Coated Enamel Copper Wire and all insulation materials including the cost of materials after deducting old scrap materials etc., complete

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, OLR, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

Packing rope 10mm

Packing rope 12 mm

Packing rope 16 mm

R I Sheet

Repair and Reconditioning of the Double Air Valve / Single Chamber Air Release Valve including the Cost of Air Valve Ball, Rubber Washer and required Bolt & Nuts, etc., complete

Air Valves 50mm

Air Valves -80MM

Repair and Reconditioning of the Double Air Valve / Single Chamber Air Release Valve including the Cost of Air Valve Ball, Rubber Washer and required Bolt & Nuts, etc., complete

Gun Metal Gate Valve 80MM

Replacement of non functioning unserviceble Gun Metal Gate valve without affecting existing alignment by using contractor tools excluding the cost of valve but including required length of GI Pipe, nipple, coupling etc., complete

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete.

1.00LL capacity of sump

0.60LL capacity of sump

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete.

Bleaching powder of 33 % concentration as per standard specifications 6.8 kg x 365 days = 2482 kg

CWSS to Budur - Thatchur in Chengalpattu District.

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Officers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity . 365 DAYS X 0.068 MLD = 24.82ML

Attending Leaks in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

90 mm OD PVC pipes of all Classes.

110 mm PVC pipes of all Classes.

100 mm GI pipes of all Classes.

90 mm HDPE pipes of all Classes.

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

90 mm OD PVC pipes of all Classes.

110 mm PVC pipes of all Classes.

Supply and delivery of PVC/HDPE Pipes as per IS specifiations

90 mm OD PVC pipes of all Classes.

110 mm PVC pipes of all Classes.

90 mm HDPE pipes of all Classes.

Labour charges for removal of Open Well Submersible Pumpset and its accessories from the Sources/Collection Sump including disjointing the submersible cable, etc., complete for the rewinding work and Re erction of Open Well Submersible Pumpsets and its accessories after re-winding work into Sources/Collection Sump .

7.5HP Motor of submersible Pumpsets including all material, labour, etc. (BW - 2 Nos)

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Attending the repair works in Star Delta Starter for 7.5HP

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

32 Amps TPN Metal clad switch with rewirable fuse units

Single Phase Preventer - Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Electromagnetic Contactor - 32 Amps

Digital Voltmeter - 3 Phase

Digital Ammeter - 3 Phase

Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415 / 440V 50 HZ conforming to ISS with ISI marking

BOX TYPE SINGLE FLUORESCENT FITTING WITH COPPER CHOKE AND CONDENSOR COMPLETE WITH ISI MARK - 4 Ft. 40 Watts with ballast (Lower end)

Attending the Cable fault in the following sizes of Aluminium Armoured Cable of Openwell, Borewell and Infiltration Well Sources,etc., for identifying the short circuit in the 3 core 1.1 KV Grade Armoured Aluminium Conductor Cable as directed by TWAD Board Officers

Supply and delivery of L.T. Cables 3 Core 1.1 KV Grade Armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (PART I)/1988 and as amended thereafter with ISI Marking

Supply and delivery of PVC insulated and sheathed 3 core flat type copper cable confirming to IS 694/1990 and as amended thereafter

CWSS to Sembur - Thandarai in Chengalpattu District.

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Officers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity. 365 DAYS X 0.135 MLD =49.275 ML

Attending Leaks in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

90 mm OD PVC pipe 4 KSC

50 mm GI pipes of all Classes.

110 mm PVC pipes of all Classes.

80 mm GI pipes of all Classes.

100 mm GI pipes of all Classes.

90 mm HDPE pipes of all Classes.

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

90 mm OD PVC pipe 4 KSC

110 mm PVC pipes of all Classes.

Supply and delivery of PVC/HDPE Pipes as per IS specifiations

100 mm GI pipes 4 KSC

90 mm OD PVC pipe 4 KSC

110 mm PVC pipes 4KSC

80 mm GI Pipe (Medium)

Rewinding of Motors in pumping stations iod in the Electrical, Mechanical and Elctro-mechanical items to bring back the scheme / components into normal running conditition as per specification including all labour charges, cost of materials and all incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6 of General conditions of Contract Part II.

Rewinding of coil for 7.5HP Motor of Open well type submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Supply, delivery and Fixing of GI inlet pipe as per IS Standard specifications for the OHTs, Sump & Other Storage Structures etc., and complete all., for the Following sizes

80mm Gate Valve

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

32AMPS Rewireable Fuses - M-1373

32 AMPS contacts or contactors, repairs to isolators WD- M2131

Bulbs ( LED / Tube / Incandescent / others) - M 1216

5HP - DOL Starter -

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

Packing rope 12 mm

R I Sheet

Repair and Reconditioning of the Double Air Valve / Single Chamber Air Release Valve including the Cost of Air Valve Ball, Rubber Washer and required Bolt & Nuts, etc., complete

Air Valves 80mm

Attending the Cable fault in the following sizes of Aluminium Armoured Cable of Openwell, Borewell and Infiltration Well Sources,etc., for identifying the short circuit in the 3 core 1.1 KV Grade Armoured Aluminium Conductor Cable as directed by TWAD Board Officers

4 sq.mm Flat cable fault in BW

CWSS to Murukancheri - Valarpirai in Chengalpattu District.

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Officers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity . 365 DAYS X 0.034 MLD = 12.41 ML

Attending Leaks in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

90 mm OD PVC pipes of all Classes.

Supply and delivery of PVC/HDPE Pipes as per IS specifiations

90 mm OD PVC pipes of all Classes.

Labour charges for Removal of Open Well Submersible Pumpset and its accessories from the Sources/Collection Sump including disjointing the submersible cable, etc., complete for the rewinding work and Re erction of Open Well Submersible Pumpsets and its accessories after re-winding work into Sources/Collection Sump .

3HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Attending the repair works in DOL Starter for 3 HP

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

BOX TYPE SINGLE FLUORESCENT FITTING WITH COPPER CHOKE AND CONDENSOR COMPLETE WITH ISI MARK - 4 Ft. 40 Watts with ballast (Lower end)

Attending the Cable fault in the following sizes of Aluminium Armoured Cable of Openwell, Borewell and Infiltration Well Sources,etc., for identifying the short circuit in the 3 core 1.1 KV Grade Armoured Aluminium Conductor Cable as directed by TWAD Board Officers

Supply and delivery of L.T. Cables 3 Core 1.1 KV Grade Armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (PART I)/1988 and as amended thereafter with ISI Marking

WDS to Urapakkam in Chengalpattu District

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Officers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity . 365 DAYS X 0.5 MLD = 182.50 ML

Attending Leaks in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

100 mm CI pipes of all Classes.

200 mm DI pipe K7

Supply and delivery of following pipes as per IS specifications

200 mm DI pipes of all Classes.

Supply and Delivery of MJ Collars of the following Size

Labour charges for attending repair and renewal of Submersible/Monoblock Pumpsets and its accessories from the Sources/Collection Sump including disjointing the cable, etc., complete for the rewinding/reconditioning work including removing and reerction of Pumpsets and its accessories after repair work into Sources/Collection Sump .

3 HP Open well submersible pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

15 HP Open well submersible pumpset

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Repair and Reconditioning of Valves

Repairing / reconditioning of 200mm size Sluice Valve (for line valve / for Scour valve) including all material, labour

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenance works

80 W LED Street Light Fitting with LED Higher end

48 W LED Street Light Fitting with LED Higher end

Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415/440V 50HZ conforming to ISS with ISI marking

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

R I Sheet

Attending the Cable fault in the following sizes of Aluminium Armoured Cable of Openwell, Borewell and Infiltration Well Sources,etc., for identifying the short circuit in the 3 core 1.1 KV Grade Armoured Aluminium Conductor Cable as directed by TWAD Board Officers

Hire charges for deploying earth moving machinery (JCB/Poclain) for earthwork including diesel, oil and labour charges etc., complete for the Jungle Cleaning.

Attending the Repair works in DOL Starter, Star Delta Starter, ATS Starter & Soft Starter

Attending the repair works in DOL Starter upto 3HP

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in DOL Starter - 15 HP

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Supply and Delivery and fixing of required capacity Over load relay suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of Front Mounting unit including the cost of material (NO and NC Element) suitable for the starter as directed by TWAD Board Officers.

Replacement of CT Coil with suitable Clamp Suitable for the starter as directed by TWAD Board Officers.

Replacement of of required amps Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

32 Amps TPN Metal clad switch with rewirable fuse units

Single Phase Preventer - Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Electromagnetic Contactor - 32 Amps

Digital Voltmeter - 3 Phase

Digital Ammeter - 3 Phase

Supply and delivery of L.T. Cables 3 Core 1.1 KV Grade Armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (PART I)/1988 and as amended thereafter with ISI Marking

Supply and delivery of PVC insulated and sheathed 3 core flat type copper cable confirming to IS 694/1990 and as amended thereafter

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete.

0.85 LL capacity of sump

4.00LL capacity SR

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete.

Bleaching powder of 33 % concentration as per standard specification. 3.03 kg x 365 days = 1107 kg

CWSS to Vaiyavoor - Kallapiranpuram and 18 Other Habitations in Chengalpattu District.

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Officers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity. 365 DAYS X 0.256 MLD = 93.44 ML

Attending Leaks in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

90 mm HDPE pipes of all Classes.

110 mm PVC pipes of all Classes.

90 mm PVC pipes of all Classes.

75 mm PVC pipes of all Classes.

63 mm PVC pipes of all Classes.

50 mm PVC pipes of all Classes.

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

110 mm PVC pipes of all Classes.

90 mm PVC pipes of all Classes.

75 mm PVC pipes of all Classes.

63 mm PVC pipes of all Classes.

50 mm PVC pipes of all Classes.

Labour charges for attending repair and renewal of Infiltration / Bore Well Submersible/Monoblock Pumpset and its accessories from the Sources/Collection Sump including disjointing the submersible cable, etc., complete for the rewinding/reconditioning work including removing and reerction of Infiltration/ Bore Well Submersible/Monoblock Pumpsets and its accessories after repair work into Sources/Collection Sump .

10H P Motor of submersible Pumpsets including all material, labour, etc. (IW - 2 Nos at HW)

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

3H P Motor of submersible Pumpsets including all material, labour, etc. (IW - 2 Nos at Kolambakkam BS)

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Supply, delivery and Fixing of GI inlet pipe as per IS Standard specifications for the OHTs, Sump & Other Storage Structures etc., and complete all., for the Following sizes

80mm GI Pipe

80mm Gate Valve

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

32 Amps TPN Metal clad switch with rewirable fuse units

Single Phase Preventer - Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Electromagnetic Contactor - 32 Amps

Digital Voltmeter - 3 Phase

Digital Ammeter - 3 Phase

Attending the repair works in DOL Starter upto 5HP

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Repair and Reconditioning of the Double Air Valve / Single Chamber Air Release Valve including the Cost of Air Valve Ball, Rubber Washer and required Bolt & Nuts, etc., complete

Air Valves 50mm

Attending the Cable fault in the following sizes of Aluminium Armoured Cable of Openwell, Borewell and Infiltration Well Sources,etc., for identifying the short circuit in the 3 core 1.1 KV Grade Armoured Aluminium Conductor Cable as directed by TWAD Board Officers

Supply and delivery of L.T. Cables 3 Core 1.1 KV Grade Armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (PART I)/1988 and as amended thereafter with ISI Marking

Supply and delivery of PVC insulated and sheathed 3 core flat type copper cable confirming to IS 694/1990 and as amended thereafter

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete.

0.10LL capacity of sump (1 Nos. x 4)

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete.

Bleaching powder of 33 % concentration as per standard specification. 1.46 kg x 365 days = 533 kg

CWSS to Ozhalur and 7 Other Habitations in Chengalpattu District.

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Officers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity. 375 DAYS X 0.423 MLD = 154.40 ML

Attending Leaks in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

160 mm O-PVC pipes of all Classes.

110 mm O-PVC pipes of all Classes.

90 mm PVC pipes of all Classes.

75 mm PVC pipes of all Classes.

63 mm PVC pipes of all Classes.

100 mm CI pipes of all Classes.

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

90 mm PVC pipes of all Classes.

75 mm PVC pipes of all Classes.

63 mm PVC pipes of all Classes.

Supply and delivery of PVC/HDPE Pipes as per IS specifiations

160 mm O-PVC pipes of all Classes.

110 mm O-PVC pipes of all Classes.

90 mm PVC pipes of all Classes.

75 mm PVC pipes of all Classes.

63 mm PVC pipes of all Classes.

Labour charges for attending repair and renewal of Infiltration / Bore Well Submersible/Monoblock Pumpset and its accessories from the Sources/Collection Sump including disjointing the submersible cable, etc., complete for the rewinding/reconditioning work including removing and reerction of Infiltration/ Bore Well Submersible/Monoblock Pumpsets and its accessories after repair work into Sources/Collection Sump .

3 HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

5HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

12.5HP Monobloc Pumpsets including all material, labour, etc.

Removing the Monblock Centrifugal Pumpset from the Bed assembly by using contractors tools and materials after disconnecting the power supply cable and delivery pipe line fittings with required dummy plate arrangements.

Transporting the pumpset from the Pumping Station to work shop.

Removing the Burnt winding materials from the stator slots and cleaning the stator and rotor assembly by using contractor tools and materials

Reconditioning the worn-out shaft and fittings, impeller and Rope gland bush including cost of lath work & labour charges etc.,

Rewinding the Monblock Centrifugal Motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Replacement of driven end and Non driven end Bearings suitable for Monblock Centrifugal Motor including the cost of Bearing and labour charges after deducting the cost of old materials.

Replacement of cooling fan at motor end and Terminal Board for suitable for Monblock Centrifugal Pumpset and labour charges after deducting the cost of old materials.

Transporting charges for Monblock Centrifugal Pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipe line arrangements, testing and trial pumping.

Repairing / reconditioning of 100mm size Sluice Valve (for line valve / for Scour valve) including all material, labour (specify type of Sluice Valve and type of repair to be carried out).

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete.

0.30LL capacity of sump (1 No )

Attending the repair works in DOL Starter upto 5HP

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in Auto Transformer Starter for 12.5HP

Labour Charges for removing the Burnt ATS Coil after draining the contaminated oil and cleaing the oil tank and fixing the ATS Coil after attending the rewinding work and filling the required oil in the oil tank etc., Complete., and as directed by TWAD Board officers.

Charges for Conveying the ATS Coil from pumping Station to workshop and Workshop to pumping Station

Charges for Removing the old wire from the ATS Coil , Cleaning, Rewinding of ATS Coil by using double Coated Enamel Copper Wire and all insulation materials including the cost of materials after deducting old scrap materials etc., complete

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, OLR, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

32 Amps TPN Metal clad switch with rewirable fuse units

Single Phase Preventer - Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Electromagnetic Contactor - 32 Amps

Digital Voltmeter - 3 Phase

Digital Ammeter - 3 Phase

Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415 / 440V 50 HZ conforming to ISS with ISI marking

BOX TYPE SINGLE FLUORESCENT FITTING WITH COPPER CHOKE AND CONDENSOR COMPLETE WITH ISI MARK - 4 Ft. 40 Watts with ballast (Lower end)

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

Packing rope 10mm

Packing rope 12 mm

R I Sheet

Attending the Cable fault in the following sizes of Aluminium Armoured Cable of Openwell, Borewell and Infiltration Well Sources,etc., for identifying the short circuit in the 3 core 1.1 KV Grade Armoured Aluminium Conductor Cable as directed by TWAD Board Officers

Supply and delivery of L.T. Cables 3 Core 1.1 KV Grade Armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (PART I)/1988 and as amended thereafter with ISI Marking

Supply and delivery of PVC insulated and sheathed 3 core flat type copper cable confirming to IS 694/1990 and as amended thereafter

Hire charges for deploying earth moving machinery (JCB/Poclain) for earthwork including diesel, oil and labour charges etc., complete

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete.

Bleaching powder of 33 % concentration as per standard specification. 2.75 kg x 365 days = 1003 kg

CWSS to Kadaloor - Koovathur in Chengalpattu District.

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Officers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity. 365 DAYS X 0.136 MLD =49.640 ML

Attending Leaks in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

90 mm OD PVC pipes 4KSC

100 mm GI pipes of all Classes.

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

90 mm OD PVC pipes 4KSC

100 mm GI pipes of all Classes.

Rewinding of Motors in pumping stations iod in the Electrical, Mechanical and Electro-mechanical items to bring back the scheme / components into normal running conditition as per specification including all labour charges, cost of materials and all incidental charges within the stipulated time limit etc., complete as specified in Clause 2.2.6 of General conditions of Contract Part II.

Removal of 5HP Motor of Open well type submersible Pumpsets including all material, labour, etc.( HW IW- 2NOS)

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Removal of 3 HP Motor of Open well type submersible Pumpsets including all material, labour, etc.(Poigainalur sump - 3NOS)

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Supply, delivery and Fixing of GI inlet pipe as per IS Standard specifications for the OHTs, Sump & Other Storage Structures etc., and complete all., for the Following sizes

80mm Gate Valve

Charges for removing the burnt power capacitor and labour charges for fixing the new capacitor suitable length copper cable wiring this panel board testing etc. complete after adjusted the old scrap materials.

Hire charges for deploying earth moving machinery (JCB/Poclain) for earthwork including diesel, oil and labour charges etc., complete.

Starter - 5HP

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Starter - 3HP

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Repair and Reconditioning of the Double Air Valve / Single Chamber Air Release Valve including the Cost of Air Valve Ball, Rubber Washer and required Bolt & Nuts, etc., complete

Air Valves 80mm

Attending the Cable fault in the following sizes of Aluminium Armoured Cable of Openwell, Borewell and Infiltration Well Sources,etc., for identifying the short circuit in the 3 core 1.1 KV Grade Armoured Aluminium Conductor Cable as directed by TWAD Board Officers

Flat cable fault in IW , Sump - 4 Sq.mm

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete.

0.60LL capacity of sump

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete.

Bleaching powder of 33 % concentration as per standard specification. 0.82 kg x 365 days = 301 kg

CWSS to MEDIPARK & IVC in Chengalpattu District.

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Officers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity . 365 DAYS X 0.60 MLD = 219ML

Attending Leaks in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

200 mm DI pipes of all Classes.

100 mm CI pipes of all Classes.

Labour charges for Removal of Open Well Submersible Pumpset and its accessories from the Sources/Collection Sump including disjointing the submersible cable, etc., complete for the rewinding work and Re erction of Open Well Submersible Pumpsets and its accessories after re-winding work into Sources/Collection Sump .

5HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

40HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete.

1.00LL capacity of sump (1 No)

Attending the repair works in DOL Starter upto 5HP

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Attending the repair works in Auto Transformer Starter From 40 HP

Labour Charges for removing the Burnt ATS Coil after draining the contaminated oil and cleaing the oil tank and fixing the ATS Coil after attending the rewinding work and filling the required oil in the oil tank etc., Complete,as directed by TWAD Board officers.

Charges for Conveying the ATS Coil from pumping Station to workshop and Workshop to pumping Station

Charges for Removing the old wire from the ATS Coil , Cleaning, Rewinding of ATS Coil by using double Coated Enamel Copper Wire and all insulation materials including the cost of materials after deducting old scrap materials etc., complete

Labour Charges for Removal of unservicable / burnt contactor with terminal connection Single Phase Preventer, Timer, OLR, CT Coil and PLA safety Relay suitable for the starter

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Supply and Delivery of PLA Safety Relay suitable for the starter

Replacement of On delay / OFF Delay Timer including the cost of material suitable for the starter as directed by TWAD Board officers.

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Supply and delivery of the following Electrical Works :consumable items at the site of work to carryout the general maintenace works

32 Amps TPN Metal clad switch with rewirable fuse units

Single Phase Preventer - Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Electromagnetic Contactor - 32 Amps

Digital Voltmeter - 3 Phase

Digital Ammeter - 3 Phase

Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415 / 440V 50 HZ conforming to ISS with ISI marking

BOX TYPE SINGLE FLUORESCENT FITTING WITH COPPER CHOKE AND CONDENSOR COMPLETE WITH ISI MARK - 4 Ft. 40 Watts with ballast (Lower end)

Attending the Cable fault in the following sizes of Aluminium Armoured Cable of Openwell, Borewell and Infiltration Well Sources,etc., for identifying the short circuit in the 3 core 1.1 KV Grade Armoured Aluminium Conductor Cable as directed by TWAD Board Officers

Supply and delivery of L.T. Cables 3 Core 1.1 KV Grade Armoured aluminium conductor cross linked poly ethylene insulated PVC sheathed cables confirming to IS 7098 (PART I)/1988 and as amended thereafter with ISI Marking

Supply and delivery of PVC insulated and sheathed 3 core flat type copper cable confirming to IS 694/1990 and as amended thereafter

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete.

Bleaching powder of 33 % concentration as per standard specification. 3.64 kg x 365 days = 1328 kg

CWSS to Anuppampattu and 55 other habitations in Minjur union in Thiruvallur District

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Officers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity . 365 DAYS X 1.53 MLD = 558.45 ML

Attending Leaks in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

80 mm GI pipes of all Classes.

100 mm GI pipes of all Classes.

90 mm PVC pipes of all Classes.

110 mm PVC pipes of all Classes.

140 mm PVC pipes of all Classes.

200 mm AC pipes of all Classes.

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

90 mm PVC pipes of all Classes.

110 mm PVC pipes of all Classes.

140 mm PVC pipes of all Classes.

200 mm AC pipes of all Classes.

90 mm HDPE pipes of all Classes.

110 mm HDPE pipes of all Classes.

125 mm HDPE pipes of all Classes.

140 mm HDPE pipes of all Classes.

180 mm HDPE pipes of all Classes.

225 mm HDPE pipes of all Classes.

Repairing / reconditioning of 100mm size Sluice Valve (for line valve / for Scour valve) including all material, labour (specify type of Sluice Valve and type of repair to be carried out).

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Repairing / reconditioning of 150mm size Sluice Valve (for line valve / for Scour valve) including all material, labour (specify type of Sluice Valve and type of repair to be carried out).

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Repairing / reconditioning of 200mm size Sluice Valve (for line valve / for Scour valve) including all material, labour (specify type of Sluice Valve and type of repair to be carried out).

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Repair and Reconditioning of the Double Air Valve / Single Chamber Air Release Valve including the Cost of Air Valve Ball, Rubber Washer and required Bolt & Nuts, etc., complete

Replacement of non functioning unserviceble Gun Metal Gate valve without affecting existing alignment by using contractor tools excluding the cost of valve but including required length of GI nipple, coupling etc., complete

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete.

1.35 LL capacity of sump

0.60 LL capacity of sump

0.10 LL capacity of sump

Labour charges for Removal of Infiltration / Bore Well Submersible Pumpset and its accessories from the Sources/Collection Sump including disjointing the submersible cable, etc., complete for the rewinding work and Re erction of Infiltration/ Bore Well Submersible Pumpsets and its accessories after re-winding work into Sources/Collection Sump .

3.00 HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

5.00HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

7.5HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

10 HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

12.5 HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

30 HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

3HP Monobloc Pumpsets including all material, labour, etc.

Removing the Monblock Centrifugal Pumpset from the Bed assembly by using contractors tools and materials after disconnecting the power supply cable and delivery pipe line fittings with required dummy plate arrangements.

Transporting the pumpset from the Pumping Station to work shop.

Removing the Burnt winding materials from the stator slots and cleaning the stator and rotor assembly by using contractor tools and materials

Reconditioning the worn-out shaft and fittings, impeller and Rope gland bush including cost of lath work & labour charges etc.,

Rewinding the Monblock Centrifugal Motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Replacement of driven end and Non driven end Bearings suitable for Monblock Centrifugal Motor including the cost of Bearing and labour charges after deducting the cost of old materials.

Replacement of cooling fan at motor end and Terminal Board for suitable for Monblock Centrifugal Pumpset and labour charges after deducting the cost of old materials.

Transporting charges for Monblock Centrifugal Pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipe line arrangements, testing and trial pumping.

5HP Monobloc Pumpsets including all material, labour, etc.

Removing the Monblock Centrifugal Pumpset from the Bed assembly by using contractors tools and materials after disconnecting the power supply cable and delivery pipe line fittings with required dummy plate arrangements.

Transporting the pumpset from the Pumping Station to work shop.

Removing the Burnt winding materials from the stator slots and cleaning the stator and rotor assembly by using contractor tools and materials

Reconditioning the worn-out shaft and fittings, impeller and Rope gland bush including cost of lath work & labour charges etc.,

Rewinding the Monblock Centrifugal Motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Replacement of driven end and Non driven end Bearings suitable for Monblock Centrifugal Motor including the cost of Bearing and labour charges after deducting the cost of old materials.

Replacement of cooling fan at motor end and Terminal Board for suitable for Monblock Centrifugal Pumpset and labour charges after deducting the cost of old materials.

Transporting charges for Monblock Centrifugal Pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipe line arrangements, testing and trial pumping.

10 HP Monobloc Pumpsets including all material, labour, etc.

Removing the Monblock Centrifugal Pumpset from the Bed assembly by using contractors tools and materials after disconnecting the power supply cable and delivery pipe line fittings with required dummy plate arrangements.

Transporting the pumpset from the Pumping Station to work shop.

Removing the Burnt winding materials from the stator slots and cleaning the stator and rotor assembly by using contractor tools and materials

Reconditioning the worn-out shaft and fittings, impeller and Rope gland bush including cost of lath work & labour charges etc.,

Rewinding the Monblock Centrifugal Motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Replacement of driven end and Non driven end Bearings suitable for Monblock Centrifugal Motor including the cost of Bearing and labour charges after deducting the cost of old materials.

Replacement of cooling fan at motor end and Terminal Board for suitable for Monblock Centrifugal Pumpset and labour charges after deducting the cost of old materials.

Transporting charges for Monblock Centrifugal Pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipe line arrangements, testing and trial pumping.

Rate for flushing of borewell of 6" dia requiring less than 4 hours operation using drill rods/ hose with required size of pipes for various capacity compressor including transportation, labour, and fuel charges for compressors as directed by the TWAD Officer and conducting yield test by 'V' notch method if required.

600 Cfm ( 100 /150 PSI) 1 hour (or) Part there of

300/250 Cfm (100 PSI) 1 hour (or) Part there of

Supply and delivery of the following Electrical Works consumable items at the site of work to carryout the general maintenace works

32 Amps TPN Metal clad switch with rewirable fuse units

BOX TYPE SINGLE FLUORESCENT FITTING WITH COPPER CHOKE AND CONDENSOR COMPLETE WITH ISI MARK - 4 Ft. 40 Watts with ballast (Lower end)

100Amps TPN Switch with HRC fuses sheet steel double break

200Amps TPN Switch with HRC fuses sheet steel double break

Over load relays directly operated Bimetallic Thermal overload relay which operates in case of overload and also incase of under voltage with manual and auto reset mode. 30A - 50A

Electromagnetic contactors of suitable capacity in AC Three Phase rating, conforming to IS/IEC 60947-4-1.-40Amps

Attending the repair works in DOL Starter upto 5HP

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415/440V 50HZ conforming to ISS with ISI marking

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

Packing rope 10mm

Packing rope 12 mm

Packing rope 16 mm

Supply and delivery of the following consumable items for Valve repairs at the site of work to carryout the general maintenace works

Hire charges for deploying earth moving machinery (JCB/Poclain) for earthwork including diesel, oil and labour charges etc., complete.

Supply, delivey and fixing of Electro magnetic contactors of suitable capacity in AC Three Phase rating, conforming to IS/IEC 60947-4-1.

Supply, delivey and fixing of Preventer – Single Phasing - Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

63 Amps Porcelain fuse unit (500 V)

100 Amps Porcelain fuse unit (500 V)

200 Amps Porcelain fuse unit (500 V)

Supply, delivey and fixing of CHANGE OVER SWITCHES

16 Amps three phase 500 V 4 pole Change over switch

32 Amps three phase 500 V 4 pole Change over switch

63 Amps three phase 500 V 4 pole Change over switch

100 Amps three phase 500 V 4 pole Change over switch

125 A 4 pole Change Over Switch

200 Amps three phase 500 V 4 pole Change over switch

250 Amps 3 phase 4 pole change over switch

Supply, delivey and fixing of PVC INSULATED SINGLE CORE MULTI STRAND FIRE RETARDANT FLEXIBLE COPPER CABLE WITH ISI MARK CONFORMING TO IS

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

R I Sheet

Attending the Cable fault in the following sizes of Aluminium Armoured Cable of Openwell, Borewell and Infiltration Well Sources,etc., for identifying the short circuit in the 3 core 1.1 KV Grade Armoured Aluminium Conductor Cable as directed by TWAD Board Officers

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete.

Bleaching powder of 34% concentration as per standard specification.

CWSS to Athipattu and 55 other habitations in Minjur union in Thiruvallur District

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Officers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity . 365 DAYS X 1.10 MLD = 401.50 ML

Attending Leaks in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

80 mm GI pipes of all Classes.

100 mm GI pipes of all Classes.

90 mm PVC pipes of all Classes.

110 mm PVC pipes of all Classes.

140 mm PVC pipes of all Classes.

200 mm AC pipes of all Classes.

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

90 mm PVC pipes of all Classes.

110 mm PVC pipes of all Classes.

140 mm PVC pipes of all Classes.

90 mm HDPE pipes of all Classes.

110 mm HDPE pipes of all Classes.

225 mm HDPE pipes of all Classes.

Repairing / reconditioning of 100mm size Sluice Valve (for line valve / for Scour valve) including all material, labour (specify type of Sluice Valve and type of repair to be carried out).

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Repairing / reconditioning of 150mm size Sluice Valve (for line valve / for Scour valve) including all material, labour (specify type of Sluice Valve and type of repair to be carried out).

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Repairing / reconditioning of 200mm size Sluice Valve (for line valve / for Scour valve) including all material, labour (specify type of Sluice Valve and type of repair to be carried out).

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Repair and Reconditioning of the Double Air Valve / Single Chamber Air Release Valve including the Cost of Air Valve Ball, Rubber Washer and required Bolt & Nuts, etc., complete

Replacement of non functioning unserviceble Gun Metal Gate valve without affecting existing alignment by using contractor tools excluding the cost of valve but including required length of GI nipple, coupling etc., complete

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete.

1.00 LL capacity of sump

0.80 LL capacity of sump

0.50 LL capacity of sump

0.45 LL capacity of sump

0.30 LL capacity of sump

Labour charges for Removal of Infiltration / Bore Well Submersible Pumpset and its accessories from the Sources/Collection Sump including disjointing the submersible cable, etc., complete for the rewinding work and Re erction of Infiltration/ Bore Well Submersible Pumpsets and its accessories after re-winding work into Sources/Collection Sump .

3.00 HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

5.00HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

7.5HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

10 HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

12.5 HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

3HP Monobloc Pumpsets including all material, labour, etc.

Removing the Monblock Centrifugal Pumpset from the Bed assembly by using contractors tools and materials after disconnecting the power supply cable and delivery pipe line fittings with required dummy plate arrangements.

Transporting the pumpset from the Pumping Station to work shop.

Removing the Burnt winding materials from the stator slots and cleaning the stator and rotor assembly by using contractor tools and materials

Reconditioning the worn-out shaft and fittings, impeller and Rope gland bush including cost of lath work & labour charges etc.,

Rewinding the Monblock Centrifugal Motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Replacement of driven end and Non driven end Bearings suitable for Monblock Centrifugal Motor including the cost of Bearing and labour charges after deducting the cost of old materials.

Replacement of cooling fan at motor end and Terminal Board for suitable for Monblock Centrifugal Pumpset and labour charges after deducting the cost of old materials.

Transporting charges for Monblock Centrifugal Pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipe line arrangements, testing and trial pumping.

5HP Monobloc Pumpsets including all material, labour, etc.

Removing the Monblock Centrifugal Pumpset from the Bed assembly by using contractors tools and materials after disconnecting the power supply cable and delivery pipe line fittings with required dummy plate arrangements.

Transporting the pumpset from the Pumping Station to work shop.

Removing the Burnt winding materials from the stator slots and cleaning the stator and rotor assembly by using contractor tools and materials

Reconditioning the worn-out shaft and fittings, impeller and Rope gland bush including cost of lath work & labour charges etc.,

Rewinding the Monblock Centrifugal Motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Replacement of driven end and Non driven end Bearings suitable for Monblock Centrifugal Motor including the cost of Bearing and labour charges after deducting the cost of old materials.

Replacement of cooling fan at motor end and Terminal Board for suitable for Monblock Centrifugal Pumpset and labour charges after deducting the cost of old materials.

Transporting charges for Monblock Centrifugal Pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipe line arrangements, testing and trial pumping.

10 HP Monobloc Pumpsets including all material, labour, etc.

Removing the Monblock Centrifugal Pumpset from the Bed assembly by using contractors tools and materials after disconnecting the power supply cable and delivery pipe line fittings with required dummy plate arrangements.

Transporting the pumpset from the Pumping Station to work shop.

Removing the Burnt winding materials from the stator slots and cleaning the stator and rotor assembly by using contractor tools and materials

Reconditioning the worn-out shaft and fittings, impeller and Rope gland bush including cost of lath work & labour charges etc.,

Rewinding the Monblock Centrifugal Motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Replacement of driven end and Non driven end Bearings suitable for Monblock Centrifugal Motor including the cost of Bearing and labour charges after deducting the cost of old materials.

Replacement of cooling fan at motor end and Terminal Board for suitable for Monblock Centrifugal Pumpset and labour charges after deducting the cost of old materials.

Transporting charges for Monblock Centrifugal Pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipe line arrangements, testing and trial pumping.

Rate for flushing of borewell of 6" dia requiring less than 4 hours operation using drill rods/ hose with required size of pipes for various capacity compressor including transportation, labour, and fuel charges for compressors as directed by the TWAD Officer and conducting yield test by 'V' notch method if required.

600 Cfm ( 100 /150 PSI) 1 hour (or) Part there of

300/250 Cfm (100 PSI) 1 hour (or) Part there of

Supply and delivery of the following Electrical Works consumable items at the site of work to carryout the general maintenace works

32 Amps TPN Metal clad switch with rewirable fuse units

BOX TYPE SINGLE FLUORESCENT FITTING WITH COPPER CHOKE AND CONDENSOR COMPLETE WITH ISI MARK - 4 Ft. 40 Watts with ballast (Lower end)

100Amps TPN Switch with HRC fuses sheet steel double break

200Amps TPN Switch with HRC fuses sheet steel double break

Over load relays directly operated Bimetallic Thermal overload relay which operates in case of overload and also incase of under voltage with manual and auto reset mode. 30A - 50A

Electromagnetic contactors of suitable capacity in AC Three Phase rating, conforming to IS/IEC 60947-4-1.-40Amps

Attending the repair works in DOL Starter upto 5HP

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415/440V 50HZ conforming to ISS with ISI marking

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

Packing rope 10mm

Packing rope 12 mm

Packing rope 16 mm

Supply and delivery of the following consumable items for Valve repairs at the site of work to carryout the general maintenace works

Hire charges for deploying earth moving machinery (JCB/Poclain) for earthwork including diesel, oil and labour charges etc., complete.

Supply, delivey and fixing of Electro magnetic contactors of suitable capacity in AC Three Phase rating, conforming to IS/IEC 60947-4-1.

Supply, delivey and fixing of Preventer – Single Phasing - Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

63 Amps Porcelain fuse unit (500 V)

100 Amps Porcelain fuse unit (500 V)

200 Amps Porcelain fuse unit (500 V)

Supply, delivey and fixing of CHANGE OVER SWITCHES

16 Amps three phase 500 V 4 pole Change over switch

32 Amps three phase 500 V 4 pole Change over switch

63 Amps three phase 500 V 4 pole Change over switch

100 Amps three phase 500 V 4 pole Change over switch

125 A 4 pole Change Over Switch

200 Amps three phase 500 V 4 pole Change over switch

250 Amps 3 phase 4 pole change over switch

Supply, delivey and fixing of PVC INSULATED SINGLE CORE MULTI STRAND FIRE RETARDANT FLEXIBLE COPPER CABLE WITH ISI MARK CONFORMING TO IS

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

R I Sheet

Attending the Cable fault in the following sizes of Aluminium Armoured Cable of Openwell, Borewell and Infiltration Well Sources,etc., for identifying the short circuit in the 3 core 1.1 KV Grade Armoured Aluminium Conductor Cable as directed by TWAD Board Officers

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete.

Bleaching powder of 34% concentration as per standard specification.

CWSS to Pulicut and 23 other habitations in Minjur union in Thiruvallur District

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protecton of all scheme components from damages/ theft undertaking legal actions for such untoward incidents, preventive maintenance, disinfection and deliverance of water as per quality standards and supply of earmarked quantity of water to the beneficiaries as per Annexure, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Officers and excluding cost towards attending leak, burst repair and replacement works to electro mechanical installations consumables for disinfection of water, cleaning of all water retaining structure, electricity . 365 DAYS X 1.65 MLD = 602.25 ML

Attending Leaks in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

80 mm GI pipes of all Classes.

100 mm GI pipes of all Classes.

90 mm PVC pipes of all Classes.

110 mm PVC pipes of all Classes.

140 mm PVC pipes of all Classes.

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

90 mm PVC pipes of all Classes.

110 mm PVC pipes of all Classes.

140 mm PVC pipes of all Classes.

90 mm HDPE pipes of all Classes.

110 mm HDPE pipes of all Classes.

140 mm HDPE pipes of all Classes.

180 mm HDPE pipes of all Classes.

200 mm DI pipes of all Classes.

Repairing / reconditioning of 100mm size Sluice Valve (for line valve / for Scour valve) including all material, labour (specify type of Sluice Valve and type of repair to be carried out).

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Repairing / reconditioning of 150mm size Sluice Valve (for line valve / for Scour valve) including all material, labour (specify type of Sluice Valve and type of repair to be carried out).

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Repairing / reconditioning of 200mm size Sluice Valve (for line valve / for Scour valve) including all material, labour (specify type of Sluice Valve and type of repair to be carried out).

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Repair and Reconditioning of the Double Air Valve / Single Chamber Air Release Valve including the Cost of Air Valve Ball, Rubber Washer and required Bolt & Nuts, etc., complete

Replacement of non functioning unserviceble Gun Metal Gate valve without affecting existing alignment by using contractor tools excluding the cost of valve but including required length of GI nipple, coupling etc., complete

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete.

0.50 LL capacity of sump

0.30 LL capacity of sump

0.20 LL capacity of sump

Labour charges for Removal of Infiltration / Bore Well Submersible Pumpset and its accessories from the Sources/Collection Sump including disjointing the submersible cable, etc., complete for the rewinding work and Re erction of Infiltration/ Bore Well Submersible Pumpsets and its accessories after re-winding work into Sources/Collection Sump .

3.00 HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

5.00HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

7.5HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

10 HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

15 HP Motor of submersible Pumpsets including all material, labour, etc.

Removing the Submersible pumpset by using tripod set after disconnecting the power supply cable and delivery pipe line fittings

Transporting the pumpset from Pump House to work shop.

Rewinding the submersible motor using best quality winding wire including cost of wire, Sleeve, other insulating and fibre class materials after deducting the cost of old materials.

Reconditioning the worn-out shaft and fittings, impeller and Gun Metal/ SS Bushes including cost of lath work & labour charges etc.,

Replacement of carbon type thrust bearing and pumpside Gun Metal Bush including cost of labour charges after deducting the cost of old material

Transporting charges for Submersible pumpset from work shop to Pump House after attending repair works.

Re-erection of pumpset in the Sump / Well by using tripod set and required Rubber washer and Bolt & Nuts and connecting the power supply cable and delivery pipeline arrangements testing to trial pumping.

Rate for flushing of borewell of 6" dia requiring less than 4 hours operation using drill rods/ hose with required size of pipes for various capacity compressor including transportation, labour, and fuel charges for compressors as directed by the TWAD Officer and conducting yield test by 'V' notch method if required.

600 Cfm ( 100 /150 PSI) 1 hour (or) Part there of

300/250 Cfm (100 PSI) 1 hour (or) Part there of

Supply and delivery of the following Electrical Works consumable items at the site of work to carryout the general maintenace works

32 Amps TPN Metal clad switch with rewirable fuse units

BOX TYPE SINGLE FLUORESCENT FITTING WITH COPPER CHOKE AND CONDENSOR COMPLETE WITH ISI MARK - 4 Ft. 40 Watts with ballast (Lower end)

100Amps 3 Phase 500V 4 Pole Change Over Switch

200Amps 3 Phase 500V 4 Pole Change Over Switch

100Amps TPN Switch with HRC fuses sheet steel double break

200Amps TPN Switch with HRC fuses sheet steel double break

Over load relays directly operated Bimetallic Thermal overload relay which operates in case of overload and also incase of under voltage with manual and auto reset mode. 30A - 50A

Electromagnetic contactors of suitable capacity in AC Three Phase rating, conforming to IS/IEC 60947-4-1.-40Amps

Attending the repair works in DOL Starter upto 5HP

Labour Charges for Removal and Re-fixing of unserviceable or burnt Single phase Preventer, MCB, Over load Relay, terminal block , Contactor and capacitor for the starter

Replacement of required capacity moving kit of Contactor, and No Volt Coil suitable for the starter including the cost of materials etc., complete

Charges for Replacement of burnt control circuit wire, ON / OFF Switch and required Main Wire including required cable crimping work in the starter including the cost of materials etc., complete

Replacement of Terminal block Suitable for the starter as directed by TWAD Board Officers.

Replacement of power supply Phase indicator, ON / OFF Indicator suitable for the starter.

Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415/440V 50HZ conforming to ISS with ISI marking

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

Packing rope 10mm

Packing rope 12 mm

Packing rope 16 mm

Supply and delivery of the following consumable items for Valve repairs at the site of work to carryout the general maintenace works

Hire charges for deploying earth moving machinery (JCB/Poclain) for earthwork including diesel, oil and labour charges etc., complete.

Supply, delivey and fixing of Electro magnetic contactors of suitable capacity in AC Three Phase rating, conforming to IS/IEC 60947-4-1.

Supply, delivey and fixing of Preventer – Single Phasing - Electric Motor protection device against single phasing. The device should protect the motor against single phasing, reverse phasing and unbalance supply. The device should be suitable for any auxillary device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

63 Amps Porcelain fuse unit (500 V)

100 Amps Porcelain fuse unit (500 V)

200 Amps Porcelain fuse unit (500 V)

Supply, delivey and fixing of CHANGE OVER SWITCHES

16 Amps three phase 500 V 4 pole Change over switch

32 Amps three phase 500 V 4 pole Change over switch

63 Amps three phase 500 V 4 pole Change over switch

100 Amps three phase 500 V 4 pole Change over switch

125 A 4 pole Change Over Switch

200 Amps three phase 500 V 4 pole Change over switch

250 Amps 3 phase 4 pole change over switch

Supply, delivey and fixing of PVC INSULATED SINGLE CORE MULTI STRAND FIRE RETARDANT FLEXIBLE COPPER CABLE WITH ISI MARK CONFORMING TO IS

Supply and delivery of the following consumable items for Pump Set repairs at the site of work to carryout the general maintenace works

R I Sheet

Attending the Cable fault in the following sizes of Aluminium Armoured Cable of Openwell, Borewell and Infiltration Well Sources,etc., for identifying the short circuit in the 3 core 1.1 KV Grade Armoured Aluminium Conductor Cable as directed by TWAD Board Officers

Supply, delivery and application of disinfection dosages as per standard norms / guidelines including cost of all disinfectents (such as bleaching powder, chlorine cylinder, silver ionization rods as applicable to this CWSS), labour charges and all incidental charges for disinfection of the water supplied from this CWSS to ensure the portable quality of disinfected water at all delivery points / tail ends, testing of water samples including additional / required / instructed dosage during the period of Flood/ Calamities etc., complete.

Bleaching powder of 34% concentration as per standard specification.

CWSS to DEVAMPATTU AND 26 OTHER HABITATIONS IN MINJUR UNION IN THIRUVALLUR DISTRICT

Attending Leaks in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all other incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

80 mm GI pipes of all Classes.

100 mm GI pipes of all Classes.

90 mm PVC pipes of all Classes.

110 mm PVC pipes of all Classes.

Attending Bursts in the pipelines of this CWSS for the following items, as per the standard procedure including earthwork excavation, dewatering, removing, relaying, jointing, civil works, cost of materials and all incidental charges, etc complete within the stipulated time limit as specified in Clause 2.2.5 of General conditions of Contract - Part II. (The specifications for attending leaks has to be detailed based on the data prepared and rate approval obtained for each size and material of pipes. The specifictaion has to be mentioned under the clause 1.7 of GCC - Part- I)

90 mm PVC pipes of all Classes.

110 mm PVC pipes of all Classes.

140 mm PVC pipes of all Classes.

90 mm HDPE pipes of all Classes.

Repairing / reconditioning of 100mm size Sluice Valve (for line valve / for Scour valve) including all material, labour (specify type of Sluice Valve and type of repair to be carried out).

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Repairing / reconditioning of 150mm size Sluice Valve (for line valve / for Scour valve) including all material, labour (specify type of Sluice Valve and type of repair to be carried out).

Removing the top housing of the sluice valve by removing the rope gland and cutting the damaged / rusted bolt & nuts and removing the shutter with damaged check nut and spindle rod and providing necessary arrangement in the valve to block the flow of water beyond the valve including labour charges and tools materials.

Reconditining of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Supply and delivery of check nut in Gunmetal suitable for sluice valve including machining to square shape and inside threading to suit the spindle rod including cost of materials and lath work after deducting the cost of old materials.

Labour charges for fixing the spindle rod with check nut in the sluice valve body with shutter and fixing the top housing with required rubber sheet and bolt & nuts after deducting the cost of old materials.

Reconditioning of spindle rod (SS) suitable for sluice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of spindle rod (Brass) suitable for slice valve including machining the materials cutting and threading to suit the shutter and check nut including labour charges and lath work etc.,

Replacement of non functioning unserviceble Gun Metal Gate valve without affecting existing alignment by using contractor tools excluding the cost of valve but including required length of GI nipple, coupling etc., complete

Cleaning of all storage points like sumps, elevated reservoirs of various capacities available in this scheme at a frequency of once in two months including scrapping the inner side of compartment completely, scouring / dewatering / desilting using required machineries, materials, labour and all other incidental charges, application of bleaching powder/ solution etc complete.

0.30 LL capacity of sump