Operation and Maintenance of the 12 nos. of CWSS in Kanyakumari District

Operation and Maintenance of the following 12 nos. of CWSS in Kanyakumari District including repair, rectification works and supply of chemicals for the period from 01.04.2026 to 31.03.2029

Operation and maintenance of the CWSSto Kuzhithuraiyar in Kanyakumari District including repair, rectification works and supply of chemicals for the Period from 01.04.2026 - 31.03.2029.

Operation and maintenance of the CWSSto Kaliyakkavilai Kollencode in Kanyakumari District including repair, rectification works and supply of chemicals for the Period from 01.04.2026 - 31.03.2029.

Operation and maintenance of the CWSSto Villukuri TP, Aloor TP and 53 way side habitations in Kanyakumari District including repair, rectification works and supply of chemicals for the Period from 01.04.2026 - 31.03.2029.

Operation and maintenance of the CWSSto Verkilambi and 6 other TP and 26 Rural habitations in Kanyakumari District including repair, rectification works and supply of chemicals for the Period from 01.04.2026 - 31.03.2029.

Operation and maintenance of the CWSSto Eraniel TP & 319 Rural habitations and Improvements to Padmanapuram CWSS and Kattathurai in Kanyakumari District including repair, rectification works and supply of chemicals for the Period from 01.04.2026 - 31.03.2029.

Operation and maintenance of the Painkulam CWSS in Kanyakumari District including repair, rectification works and supply of chemicals for the Period from 01.04.2026 - 31.03.2029.

Operation and maintenance of the CWSS to 79 Coastal habitations,17 T.P. Panchayats and 19 way side villages in Kanyakumari District t including repair, rectification works and supply of chemicals for the Period from 01.04.2026 - 31.03.2029.

Operation and Maintenance of the following Edaicode - Pazhugal CWSS in Kanyakumari District including repair, rectification works and supply of chemicals for the period from 01.04.2026 to 31.03.2029

Operation and maintenance of the Muzhucode CWSS in Kanyakumari District ncluding repair, rectification works and supply of chemicals for the Period from 01.04.2026 - 31.03.2029.

Operation and maintenance of theAzhagiapandiapuram CWSS in Kanyakumari District including repair, rectification works and supply of chemicals for the Period from 01.04.2026 - 31.03.2029.

Operation and maintenance of the Kanyakumari Suchindrum CWSS in Kanyakumari District including repair, rectification works and supply of chemicals for the Period from 01.04.2026 - 31.03.2029.

Operation and maintenance of the Ganam CWSS in Kanyakumari District ncluding repair, rectification works and supply of chemicals for the Period from 01.04.2026 - 31.03.2029.

Total Basic Value

Add GST @18% on Basic Value

Item Rate BoQ

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Name of the Bidder/ Bidding Firm / Company :

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NUMBER #

For the Year 2026-2027 (From 01.04.2026 - 31.03.2027)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protector of all schemee 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 12.521 MLD, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers 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 etc complete and as directed by TWAD Board officers Totally 4570.17 ML (12.521*365)

Attending Burst 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. etc complete and as directed by TWAD Board officers

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for the following sizes of Pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

MS Pipes of various sizes

PVC Pipes of various sizes

AC Pipe of various sizes

Supply and Delivery of MS bare pipes of the following dimensions as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes including transportation charges in any where in Tamilnadu etc., complete and as directed by TWAD Board officers

300 mm dia MS pipe

350 mm dia MS pipe

400 mm dia MS pipe

600 mm dia MS pipe

Jointing the M.S. Pipes and specials with welded joints with the required no of run internally and externally including gauging including cost of welding rods LPG & o2Gas and hire charges for welding machine , cutting machine, power generators , crane and other required tools and plants and labour charges for fixing apputenances and other accessories where ever necessary in connection with pipe laying works and completing the work if all respects as per specification and as directed by TWAD Board officers.

300 mm Dia and thick MS Pipe

350 mm Dia and thick MS Pipe

600 mm Dia and thick MS Pipe

Removing the burst P.V.C. Pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc., complete (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers

63 mm PVC 4KSC

75mm PVC 4 KSC

90 mm PVC 4KSC

110mm PVC 4 KSC

140mm PVC 4 KSC

160mm PVC 4 KSC

Supply and delivery of the following sizes of unplastisized PVC Rigid pipes and specials confirming to IS other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transportation, insurance charges, etc., complete and as directed by TWAD Board officers.

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

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. etc., complete and as directed by TWAD Board officers.

Supplying and delivery of the following sizes of HDPE Pipes - PE 100 - PN6 , PN 8 & PN 10 confirming to IS:4984/2016 and other specifications in standard lengths including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

140 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of Pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

HDPE Pipes of various sizes

CI Pipes of various sizes

GI Pipes of various sizes

PSC Pipes of various sizes

AC Pipes of various sizes

MS Pipes of various sizes

Supply and delivery of lead wool as per sample including loading, umloading and transportation charges etc. complete and as directed by TWAD Bd. Officers

600 mm dia PSC Pipe Various Classes

400mm dia PSC Pipe Various Classes

350 mm dia PSC Pipe Various Classes

Supply and delivery of Hardcrete oil as per sample including loading, umloading and transportation charges etc. complete and as directed by TWAD Bd. Officers

600 mm dia PSC Pipe Various Classes

400mm dia PSC Pipe Various Classes

350 mm dia PSC Pipe Various Classes

Supply and delivery of cementincluding loading, umloading and transportation charges etc. complete and as directed by TWAD Bd. Officers

Jointing HDPE Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by TWAD Board Officers.

140 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

Jointing HDPE Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by TWAD Board Officers.

140 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

Supply and delivery of the following sizes of DUCTILE IRON SOCKET/ SPIGOT PIPES FOR CLASS K7/K9 AS PER IS 8329/2000 other specifications including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

Supply and Delivery of MJ Collars inclusive of transportation charges anywhere in Tamilnadu etc complete and as directed by TWAD Board officers

Supply and delivery of the following sizes of GI pipes ( Medium class) confirming to the IS and other specifications including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

150 mm GI Pipe

Supply and delivery of following sizes of GI Specials conforming to IS specifications at site of work inclusive of transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers.

65 mm GI Coupling

80 mm GI Coupling

100 mm GI Coupling

150 mm GI Coupling

200 mm CI Pipe

250 mm AC Pipe

300 mm AC Pipe

350 mm AC Pipe

400 mm AC Pipe

600 mm CI Pipe

350 mm PSC Pipe

400 mm PSC Pipe

600 mm PSC Pipe

Cutting the following sizes of the GI pipes true to axis and filing smoothly and finishing the ends etc., complete and as directed by TWAD Board officers.

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

150 mm GI Pipe

Threading the following sizes of the GI pipes true to axis etc., complete and as directed by TWAD Board officers.

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

150 mm GI Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. And as directed by TWAD Board officers

140 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

300 mm Dia and thick MS Pipe

350 mm Dia and thick MS Pipe

400 mm Dia and thick MS Pipe

600 mm Dia and thick MS Pipe

Refilling with excavated soil (other than sand)complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

HDPE Pipes of various sizes

MS Pipes of various sizes

PSC Pipes of various sizes

REPAIR AND RENEWAL OF PUMPSETS

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. etc complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pump and repair works in 150 HP Turbine Pump Set (6192 LPM X 77 M) including cost of all material, conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

Rewinding of motor and reconditioning of pump and repair works in 75 HP Centrifugal Pump Set (7167 LPM X 283 M) including cost of all material, conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

Rewinding of motor and repair works to 40 HP Treatment plant ( 3393 lpm x 39 m ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Centrifugal at Neduvilai Treatment plant Pump Room - 1+1 Nos

Repair works to 150 HP Turbine Pump Set ( 6192 LPM X 77 M ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Turbine pumpset at koduvanamthottam Head Works sump - 1 +1 Nos

Repair works to 100 HP Killiyoor booster station(6482lpm x 48m) including cost of all material ,conveyance ,labour charges for removing and HSC centrifugal Pump set at Killiyoor booster station- 2 Nos

Repair works to 40 HP Treatment plant ( 3393 lpm x 39 m ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Centrifugal at Neduvilai Treatment plant Pump Room - 1+1 Nos

Repair works to 12.5 HP Open Well Submersible Treatment plant ( 1548LPM X 23 M Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Submersible pumpset at Koduvanamthottam Head works sump- 1+1 Nos.

160KVA Transformer repair works at Killiyoor booster station

Attending Repair, rectification and reconditioning of CI Sluice valve CI NRV valve, including all material,, conveyance, labour charges and re erection of valve etc., complete and as directed by TWAD Board Officers.

400 mm CI NRV valve

350 mm CI Sluice valve

350 mm CI NRV valve

250 mm CI NRV valve

250 mm CI Sluice value

150 mm CI Sluice value

150 mm CI NRV value

Supply, delivery and fixing of following size of Gate valves in OHT's including all material,, conveyance, labour charges and re erection of valve etc., complete and as directed by TWAD Board Officers.

50 mm gate valve

80 mm gate valve

150 mm gate valve

Attending cable fault by replacing the cable

Supply, delivery of 1.1 KV Grade Armoured aluminium Conductor cross Linked Poly ethylene insulated PVC sheathed cables confirmaing to IS etc., complete and as directed by TWAD board Officers. for following Wells submersible motor to main panel board.

3core 35 Sq. mm

3core 10 Sq. mm

3core 185 Sq. mm

3core 35 Sq. mm

3core 10 Sq. mm

3core 185 Sq. mm

3core 35 Sq. mm

3core 10 Sq. mm

3core 185 Sq. mm

Supply and delivery of following Range AMPS 3 Pole MCCB Switch (Moulted case circuit breakers) to control EB supply from E.B Pole to Main Panel Board

63 Amps 3 Pole MCCB Switch

100 Amps 3 Pole MCCB Switch

200 Amps 3 Pole MCCB Switch

250 Amps 3 Pole MCCB Switch

400 Amps 3 pole MCCB switch

Supply and delivery of Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415/440V 50 HZ conforming to ISS:2834 with ISI marking

5 KVAR Power capacitor

10 KVAR Power capacitor

20 KVAR Power capacitor

Electro magnetic Contactors

Supply and delivery of direct online starter confirming to IS13947 and IEC60947-1 suitable KW rating for operation in AC/ three Phase/50HZ(+/- 5%) and 415V (+/- 10%) including Ammeter, Overload relay, under Voltage release with no Volt coil, Air Break contactors suitable for next Standard higher KW rating, Single phasing preventor, dry running preventor and On/Off Push button switches, including the capacitor(the cost of capacitor is to be taken separately).

For 12.5 HP Starter

For 7.5 HP Starter

For 5 HP Starter

Removal of sediments and depositions of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall and bottom of sump using wire brushes, brooms, collecting , lifting of the deposited slit particles outside the sump, washing side wall and floor slab using bleaching powder including lighting arrangements and safety arrangements inside the sump, hire charges for the buckets, rope etc and supply of bleaching powder for cleaning purposes etc., complete and as directed by TWAD Board officers

2.50 LL capacity Sump

1.00 LL capacity Sump

0.10 LL capacity Sump

2.00 LL capacity Sump

0.60 LL capacity Sump

7.00 LL capacity Sump

Desilting light or sandysoil or silt from infiltration wells below water level including the charges for special T&P and air compressor etc., complete and as directed by TWAD Board officers.

Labour charges for dismantling of 400 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 250 KVA Transformer as per IS Specifications as rected by TWAD Board Officers

Supply and delivery of 3 phase insulation to 400 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 400 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing copper rod to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 400 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value Improvement work 900c for 2 days to 250 KVA Transformer as per IS Specifications as directed by TwAD Board Officers

Charges for transformer tank cleaning and painting work to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges for new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 400 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 400 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete as directed by TWAD Board officers

Labour charges for dismantling of 600 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to600 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 250 KVA Transformer as per IS Specifications as rected by TWAD Board Officers

Supply and delivery of 3 phase insulation to 600 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 600KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing copper rod to600 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 600 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 400 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 600 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value Improvement work 900c for 2 days to 600 KVA Transformer as per IS Specifications as directed by TwAD Board Officers

Charges for transformer tank cleaning and painting work to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges for new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 600 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 600 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete as directed by TWAD Board officers

Labour charges for dismantling of 315 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to 315KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 315 KVA Transformer as per IS Specifications as rected by TWAD Board Officers

Supply and delivery of 3 phase insulation to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing copper rod to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value Improvement work 900c for 2 days to 200 KVA Transformer as per IS Specifications as directed by TwAD Board Officers

Charges for transformer tank cleaning and painting work to 315KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges for new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 315KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 315 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete as directed by TWAD Board officers

ROAD RESTORATION

Labour for cutting open road for laying water mains or sewer etc and as directed by TWAD Board officers.

B.T. Roads (or) Maccadam road

Concrete Roads

Supply of Gravel for filling the excavated soil, if existing soil is not suitable for refilling as directed byTWAD Officials

PCC - M30 CONCRETE

Road Restoration - Patch work

Hiring Charges for Heavy duty electrical Concrete breaker machine

Hiring charges for Genset 40 KVA

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 and as directed by TWAD Board officers.

Supply and delivery of Liquid Chlorine cylinder as per IS specification (with chlorine 99.80% moisture, Na203 Hydrogen and carbon dioxide are to be Nil) including loading, freight, unloading, stacking transit insurance and all other incidental charges and as directed by TWAD Board officers.

Supply, delivery of Ferric Alum (Sulphate of alumina - Ferric) Grade - II in loose as per ISI 299/2012 and amended from time to time including freight, loading, unloading, transporation, transit insurance all other incidental charges and as directed by TWAD Board officers.

For the Year 2027-2028 (From 01.04.2027 - 31.03.2028)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protector of all schemee 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 12.681 MLD, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers 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 etc complete and as directed by TWAD Board officers Totally 4641.246 ML (12.681*366)

Attending Burst 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. etc complete and as directed by TWAD Board officers

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for the following sizes of Pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

MS Pipes of various sizes

PVC Pipes of various sizes

AC Pipe of various sizes

Supply and Delivery of MS bare pipes of the following dimensions as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes including transportation charges in any where in Tamilnadu etc., complete and as directed by TWAD Board officers

300 mm dia MS pipe

350 mm dia MS pipe

400 mm dia MS pipe

600 mm dia MS pipe

Jointing the M.S. Pipes and specials with welded joints with the required no of run internally and externally including gauging including cost of welding rods LPG & o2Gas and hire charges for welding machine , cutting machine, power generators , crane and other required tools and plants and labour charges for fixing apputenances and other accessories where ever necessary in connection with pipe laying works and completing the work if all respects as per specification and as directed by TWAD Board officers.

300 mm Dia and thick MS Pipe

350 mm Dia and thick MS Pipe

600 mm Dia and thick MS Pipe

Removing the burst P.V.C. Pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc., complete (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers

63 mm PVC 4KSC

75mm PVC 4 KSC

90 mm PVC 4KSC

110mm PVC 4 KSC

140mm PVC 4 KSC

160mm PVC 4 KSC

Supply and delivery of the following sizes of unplastisized PVC Rigid pipes and specials confirming to IS other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transportation, insurance charges, etc., complete and as directed by TWAD Board officers.

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

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. etc., complete and as directed by TWAD Board officers.

Supplying and delivery of the following sizes of HDPE Pipes - PE 100 - PN6 , PN 8 & PN 10 confirming to IS:4984/2016 and other specifications in standard lengths including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

140 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of Pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

HDPE Pipes of various sizes

CI Pipes of various sizes

GI Pipes of various sizes

PSC Pipes of various sizes

AC Pipes of various sizes

MS Pipes of various sizes

Supply and delivery of lead wool as per sample including loading, umloading and transportation charges etc. complete and as directed by TWAD Bd. Officers

600 mm dia PSC Pipe Various Classes

400mm dia PSC Pipe Various Classes

350 mm dia PSC Pipe Various Classes

Supply and delivery of Hardcrete oil as per sample including loading, umloading and transportation charges etc. complete and as directed by TWAD Bd. Officers

600 mm dia PSC Pipe Various Classes

400mm dia PSC Pipe Various Classes

350 mm dia PSC Pipe Various Classes

Supply and delivery of cementincluding loading, umloading and transportation charges etc. complete and as directed by TWAD Bd. Officers

Jointing HDPE Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by TWAD Board Officers.

140 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

Jointing HDPE Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by TWAD Board Officers.

140 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

Supply and delivery of the following sizes of DUCTILE IRON SOCKET/ SPIGOT PIPES FOR CLASS K7/K9 AS PER IS 8329/2000 other specifications including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

Supply and Delivery of MJ Collars inclusive of transportation charges anywhere in Tamilnadu etc complete and as directed by TWAD Board officers

Supply and delivery of the following sizes of GI pipes ( Medium class) confirming to the IS and other specifications including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

150 mm GI Pipe

Supply and delivery of following sizes of GI Specials conforming to IS specifications at site of work inclusive of transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers.

65 mm GI Coupling

80 mm GI Coupling

100 mm GI Coupling

150 mm GI Coupling

200 mm CI Pipe

250 mm AC Pipe

300 mm AC Pipe

350 mm AC Pipe

400 mm AC Pipe

600 mm CI Pipe

350 mm PSC Pipe

400 mm PSC Pipe

600 mm PSC Pipe

Cutting the following sizes of the GI pipes true to axis and filing smoothly and finishing the ends etc., complete and as directed by TWAD Board officers.

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

150 mm GI Pipe

Threading the following sizes of the GI pipes true to axis etc., complete and as directed by TWAD Board officers.

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

150 mm GI Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. And as directed by TWAD Board officers

140 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

300 mm Dia and thick MS Pipe

350 mm Dia and thick MS Pipe

400 mm Dia and thick MS Pipe

600 mm Dia and thick MS Pipe

Refilling with excavated soil (other than sand)complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

HDPE Pipes of various sizes

MS Pipes of various sizes

PSC Pipes of various sizes

REPAIR AND RENEWAL OF PUMPSETS

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. etc complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pump and repair works in 150 HP Turbine Pump Set (6192 LPM X 77 M) including cost of all material, conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

Rewinding of motor and reconditioning of pump and repair works in 75 HP Centrifugal Pump Set (7167 LPM X 283 M) including cost of all material, conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

Rewinding of motor and repair works to 40 HP Treatment plant ( 3393 lpm x 39 m ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Centrifugal at Neduvilai Treatment plant Pump Room - 1+1 Nos

Repair works to 150 HP Turbine Pump Set ( 6192 LPM X 77 M ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Turbine pumpset at koduvanamthottam Head Works sump - 1 +1 Nos

Repair works to 100 HP Killiyoor booster station(6482lpm x 48m) including cost of all material ,conveyance ,labour charges for removing and HSC centrifugal Pump set at Killiyoor booster station- 2 Nos

Repair works to 40 HP Treatment plant ( 3393 lpm x 39 m ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Centrifugal at Neduvilai Treatment plant Pump Room - 1+1 Nos

Repair works to 12.5 HP Open Well Submersible Treatment plant ( 1548LPM X 23 M Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Submersible pumpset at Koduvanamthottam Head works sump- 1+1 Nos.

160KVA Transformer repair works at Killiyoor booster station

Attending Repair, rectification and reconditioning of CI Sluice valve CI NRV valve, including all material,, conveyance, labour charges and re erection of valve etc., complete and as directed by TWAD Board Officers.

400 mm CI NRV valve

350 mm CI Sluice valve

350 mm CI NRV valve

250 mm CI NRV valve

250 mm CI Sluice value

150 mm CI Sluice value

150 mm CI NRV value

Supply, delivery and fixing of following size of Gate valves in OHT's including all material,, conveyance, labour charges and re erection of valve etc., complete and as directed by TWAD Board Officers.

50 mm gate valve

80 mm gate valve

150 mm gate valve

Attending cable fault by replacing the cable

Supply, delivery of 1.1 KV Grade Armoured aluminium Conductor cross Linked Poly ethylene insulated PVC sheathed cables confirmaing to IS etc., complete and as directed by TWAD board Officers. for following Wells submersible motor to main panel board.

3core 35 Sq. mm

3core 10 Sq. mm

3core 185 Sq. mm

3core 35 Sq. mm

3core 10 Sq. mm

3core 185 Sq. mm

3core 35 Sq. mm

3core 10 Sq. mm

3core 185 Sq. mm

Supply and delivery of following Range AMPS 3 Pole MCCB Switch (Moulted case circuit breakers) to control EB supply from E.B Pole to Main Panel Board

63 Amps 3 Pole MCCB Switch

100 Amps 3 Pole MCCB Switch

200 Amps 3 Pole MCCB Switch

250 Amps 3 Pole MCCB Switch

400 Amps 3 pole MCCB switch

Supply and delivery of Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415/440V 50 HZ conforming to ISS:2834 with ISI marking

5 KVAR Power capacitor

10 KVAR Power capacitor

20 KVAR Power capacitor

Electro magnetic Contactors

Supply and delivery of direct online starter confirming to IS13947 and IEC60947-1 suitable KW rating for operation in AC/ three Phase/50HZ(+/- 5%) and 415V (+/- 10%) including Ammeter, Overload relay, under Voltage release with no Volt coil, Air Break contactors suitable for next Standard higher KW rating, Single phasing preventor, dry running preventor and On/Off Push button switches, including the capacitor(the cost of capacitor is to be taken separately).

For 12.5 HP Starter

For 7.5 HP Starter

For 5 HP Starter

Removal of sediments and depositions of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall and bottom of sump using wire brushes, brooms, collecting , lifting of the deposited slit particles outside the sump, washing side wall and floor slab using bleaching powder including lighting arrangements and safety arrangements inside the sump, hire charges for the buckets, rope etc and supply of bleaching powder for cleaning purposes etc., complete and as directed by TWAD Board officers

2.50 LL capacity Sump

1.00 LL capacity Sump

0.10 LL capacity Sump

2.00 LL capacity Sump

0.60 LL capacity Sump

7.00 LL capacity Sump

Desilting light or sandysoil or silt from infiltration wells below water level including the charges for special T&P and air compressor etc., complete and as directed by TWAD Board officers.

Labour charges for dismantling of 400 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 250 KVA Transformer as per IS Specifications as rected by TWAD Board Officers

Supply and delivery of 3 phase insulation to 400 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 400 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing copper rod to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 400 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value Improvement work 900c for 2 days to 250 KVA Transformer as per IS Specifications as directed by TwAD Board Officers

Charges for transformer tank cleaning and painting work to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges for new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 400 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 400 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete as directed by TWAD Board officers

Labour charges for dismantling of 600 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to600 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 250 KVA Transformer as per IS Specifications as rected by TWAD Board Officers

Supply and delivery of 3 phase insulation to 600 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 600KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing copper rod to600 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 600 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 400 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 600 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value Improvement work 900c for 2 days to 600 KVA Transformer as per IS Specifications as directed by TwAD Board Officers

Charges for transformer tank cleaning and painting work to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges for new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 600 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 600 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete as directed by TWAD Board officers

Labour charges for dismantling of 315 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to 315KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 315 KVA Transformer as per IS Specifications as rected by TWAD Board Officers

Supply and delivery of 3 phase insulation to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing copper rod to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value Improvement work 900c for 2 days to 200 KVA Transformer as per IS Specifications as directed by TwAD Board Officers

Charges for transformer tank cleaning and painting work to 315KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges for new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 315KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 315 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete as directed by TWAD Board officers

ROAD RESTORATION

Labour for cutting open road for laying water mains or sewer etc and as directed by TWAD Board officers.

B.T. Roads (or) Maccadam road

Concrete Roads

Supply of Gravel for filling the excavated soil, if existing soil is not suitable for refilling as directed byTWAD Officials

PCC - M30 CONCRETE

Road Restoration - Patch work

Hiring Charges for Heavy duty electrical Concrete breaker machine

Hiring charges for Genset 40 KVA

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 and as directed by TWAD Board officers.

Supply and delivery of Liquid Chlorine cylinder as per IS specification (with chlorine 99.80% moisture, Na203 Hydrogen and carbon dioxide are to be Nil) including loading, freight, unloading, stacking transit insurance and all other incidental charges and as directed by TWAD Board officers.

Supply, delivery of Ferric Alum (Sulphate of alumina - Ferric) Grade - II in loose as per ISI 299/2012 and amended from time to time including freight, loading, unloading, transporation, transit insurance all other incidental charges and as directed by TWAD Board officers.

For the Year 2028-2029 (From 01.04.2028 - 31.03.2029)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protector of all schemee 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 12.851 MLD, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers 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 etc complete and as directed by TWAD Board officers Totally 4690.615 ML (12.851*365)

Attending Burst 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. etc complete and as directed by TWAD Board officers

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for the following sizes of Pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

MS Pipes of various sizes

PVC Pipes of various sizes

AC Pipe of various sizes

Supply and Delivery of MS bare pipes of the following dimensions as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes including transportation charges in any where in Tamilnadu etc., complete and as directed by TWAD Board officers

300 mm dia MS pipe

350 mm dia MS pipe

400 mm dia MS pipe

600 mm dia MS pipe

Jointing the M.S. Pipes and specials with welded joints with the required no of run internally and externally including gauging including cost of welding rods LPG & o2Gas and hire charges for welding machine , cutting machine, power generators , crane and other required tools and plants and labour charges for fixing apputenances and other accessories where ever necessary in connection with pipe laying works and completing the work if all respects as per specification and as directed by TWAD Board officers.

300 mm Dia and thick MS Pipe

350 mm Dia and thick MS Pipe

600 mm Dia and thick MS Pipe

Removing the burst P.V.C. Pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc., complete (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers

63 mm PVC 4KSC

75mm PVC 4 KSC

90 mm PVC 4KSC

110mm PVC 4 KSC

140mm PVC 4 KSC

160mm PVC 4 KSC

Supply and delivery of the following sizes of unplastisized PVC Rigid pipes and specials confirming to IS other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transportation, insurance charges, etc., complete and as directed by TWAD Board officers.

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

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. etc., complete and as directed by TWAD Board officers.

Supplying and delivery of the following sizes of HDPE Pipes - PE 100 - PN6 , PN 8 & PN 10 confirming to IS:4984/2016 and other specifications in standard lengths including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

140 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of Pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

HDPE Pipes of various sizes

CI Pipes of various sizes

GI Pipes of various sizes

PSC Pipes of various sizes

AC Pipes of various sizes

MS Pipes of various sizes

Supply and delivery of lead wool as per sample including loading, umloading and transportation charges etc. complete and as directed by TWAD Bd. Officers

600 mm dia PSC Pipe Various Classes

400mm dia PSC Pipe Various Classes

350 mm dia PSC Pipe Various Classes

Supply and delivery of Hardcrete oil as per sample including loading, umloading and transportation charges etc. complete and as directed by TWAD Bd. Officers

600 mm dia PSC Pipe Various Classes

400mm dia PSC Pipe Various Classes

350 mm dia PSC Pipe Various Classes

Supply and delivery of cementincluding loading, umloading and transportation charges etc. complete and as directed by TWAD Bd. Officers

Jointing HDPE Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by TWAD Board Officers.

140 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

Jointing HDPE Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by TWAD Board Officers.

140 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

Supply and delivery of the following sizes of DUCTILE IRON SOCKET/ SPIGOT PIPES FOR CLASS K7/K9 AS PER IS 8329/2000 other specifications including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

Supply and Delivery of MJ Collars inclusive of transportation charges anywhere in Tamilnadu etc complete and as directed by TWAD Board officers

Supply and delivery of the following sizes of GI pipes ( Medium class) confirming to the IS and other specifications including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

150 mm GI Pipe

Supply and delivery of following sizes of GI Specials conforming to IS specifications at site of work inclusive of transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers.

65 mm GI Coupling

80 mm GI Coupling

100 mm GI Coupling

150 mm GI Coupling

200 mm CI Pipe

250 mm AC Pipe

300 mm AC Pipe

350 mm AC Pipe

400 mm AC Pipe

600 mm CI Pipe

350 mm PSC Pipe

400 mm PSC Pipe

600 mm PSC Pipe

Cutting the following sizes of the GI pipes true to axis and filing smoothly and finishing the ends etc., complete and as directed by TWAD Board officers.

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

150 mm GI Pipe

Threading the following sizes of the GI pipes true to axis etc., complete and as directed by TWAD Board officers.

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

150 mm GI Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. And as directed by TWAD Board officers

140 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

300 mm Dia and thick MS Pipe

350 mm Dia and thick MS Pipe

400 mm Dia and thick MS Pipe

600 mm Dia and thick MS Pipe

Refilling with excavated soil (other than sand)complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

HDPE Pipes of various sizes

MS Pipes of various sizes

PSC Pipes of various sizes

REPAIR AND RENEWAL OF PUMPSETS

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. etc complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pump and repair works in 150 HP Turbine Pump Set (6192 LPM X 77 M) including cost of all material, conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

Rewinding of motor and reconditioning of pump and repair works in 75 HP Centrifugal Pump Set (7167 LPM X 283 M) including cost of all material, conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

Rewinding of motor and repair works to 40 HP Treatment plant ( 3393 lpm x 39 m ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Centrifugal at Neduvilai Treatment plant Pump Room - 1+1 Nos

Repair works to 150 HP Turbine Pump Set ( 6192 LPM X 77 M ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Turbine pumpset at koduvanamthottam Head Works sump - 1 +1 Nos

Repair works to 100 HP Killiyoor booster station(6482lpm x 48m) including cost of all material ,conveyance ,labour charges for removing and HSC centrifugal Pump set at Killiyoor booster station- 2 Nos

Repair works to 40 HP Treatment plant ( 3393 lpm x 39 m ) including cost of all material ,conveyance ,labour charges for removing and re-erection of centrifugal HSC Centrifugal at Neduvilai Treatment plant Pump Room - 1+1 Nos

Repair works to 12.5 HP Open Well Submersible Treatment plant ( 1548LPM X 23 M Head ) including cost of all material ,conveyance ,labour charges for removing and re-erection of Submersible pumpset at Koduvanamthottam Head works sump- 1+1 Nos.

160KVA Transformer repair works at Killiyoor booster station

Attending Repair, rectification and reconditioning of CI Sluice valve CI NRV valve, including all material,, conveyance, labour charges and re erection of valve etc., complete and as directed by TWAD Board Officers.

400 mm CI NRV valve

350 mm CI Sluice valve

350 mm CI NRV valve

250 mm CI NRV valve

250 mm CI Sluice value

150 mm CI Sluice value

150 mm CI NRV value

Supply, delivery and fixing of following size of Gate valves in OHT's including all material,, conveyance, labour charges and re erection of valve etc., complete and as directed by TWAD Board Officers.

50 mm gate valve

80 mm gate valve

150 mm gate valve

Attending cable fault by replacing the cable

Supply, delivery of 1.1 KV Grade Armoured aluminium Conductor cross Linked Poly ethylene insulated PVC sheathed cables confirmaing to IS etc., complete and as directed by TWAD board Officers. for following Wells submersible motor to main panel board.

3core 35 Sq. mm

3core 10 Sq. mm

3core 185 Sq. mm

3core 35 Sq. mm

3core 10 Sq. mm

3core 185 Sq. mm

3core 35 Sq. mm

3core 10 Sq. mm

3core 185 Sq. mm

Supply and delivery of following Range AMPS 3 Pole MCCB Switch (Moulted case circuit breakers) to control EB supply from E.B Pole to Main Panel Board

63 Amps 3 Pole MCCB Switch

100 Amps 3 Pole MCCB Switch

200 Amps 3 Pole MCCB Switch

250 Amps 3 Pole MCCB Switch

400 Amps 3 pole MCCB switch

Supply and delivery of Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415/440V 50 HZ conforming to ISS:2834 with ISI marking

5 KVAR Power capacitor

10 KVAR Power capacitor

20 KVAR Power capacitor

Electro magnetic Contactors

Supply and delivery of direct online starter confirming to IS13947 and IEC60947-1 suitable KW rating for operation in AC/ three Phase/50HZ(+/- 5%) and 415V (+/- 10%) including Ammeter, Overload relay, under Voltage release with no Volt coil, Air Break contactors suitable for next Standard higher KW rating, Single phasing preventor, dry running preventor and On/Off Push button switches, including the capacitor(the cost of capacitor is to be taken separately).

For 12.5 HP Starter

For 7.5 HP Starter

For 5 HP Starter

Removal of sediments and depositions of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall and bottom of sump using wire brushes, brooms, collecting , lifting of the deposited slit particles outside the sump, washing side wall and floor slab using bleaching powder including lighting arrangements and safety arrangements inside the sump, hire charges for the buckets, rope etc and supply of bleaching powder for cleaning purposes etc., complete and as directed by TWAD Board officers

2.50 LL capacity Sump

1.00 LL capacity Sump

0.10 LL capacity Sump

2.00 LL capacity Sump

0.60 LL capacity Sump

7.00 LL capacity Sump

Desilting light or sandysoil or silt from infiltration wells below water level including the charges for special T&P and air compressor etc., complete and as directed by TWAD Board officers.

Labour charges for dismantling of 400 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 250 KVA Transformer as per IS Specifications as rected by TWAD Board Officers

Supply and delivery of 3 phase insulation to 400 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 400 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing copper rod to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 400 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value Improvement work 900c for 2 days to 250 KVA Transformer as per IS Specifications as directed by TwAD Board Officers

Charges for transformer tank cleaning and painting work to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges for new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 400 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 400 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete as directed by TWAD Board officers

Labour charges for dismantling of 600 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to600 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 250 KVA Transformer as per IS Specifications as rected by TWAD Board Officers

Supply and delivery of 3 phase insulation to 600 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 600KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing copper rod to600 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 600 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 400 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 600 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value Improvement work 900c for 2 days to 600 KVA Transformer as per IS Specifications as directed by TwAD Board Officers

Charges for transformer tank cleaning and painting work to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges for new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 600 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 600 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete as directed by TWAD Board officers

Labour charges for dismantling of 315 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to 315KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 315 KVA Transformer as per IS Specifications as rected by TWAD Board Officers

Supply and delivery of 3 phase insulation to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing copper rod to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value Improvement work 900c for 2 days to 200 KVA Transformer as per IS Specifications as directed by TwAD Board Officers

Charges for transformer tank cleaning and painting work to 315KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges for new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 315KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 315 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete as directed by TWAD Board officers

ROAD RESTORATION

Labour for cutting open road for laying water mains or sewer etc and as directed by TWAD Board officers.

B.T. Roads (or) Maccadam road

Concrete Roads

Supply of Gravel for filling the excavated soil, if existing soil is not suitable for refilling as directed byTWAD Officials

PCC - M30 CONCRETE

Road Restoration - Patch work

Hiring Charges for Heavy duty electrical Concrete breaker machine

Hiring charges for Genset 40 KVA

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 and as directed by TWAD Board officers.

Supply and delivery of Liquid Chlorine cylinder as per IS specification (with chlorine 99.80% moisture, Na203 Hydrogen and carbon dioxide are to be Nil) including loading, freight, unloading, stacking transit insurance and all other incidental charges and as directed by TWAD Board officers.

Supply, delivery of Ferric Alum (Sulphate of alumina - Ferric) Grade - II in loose as per ISI 299/2012 and amended from time to time including freight, loading, unloading, transporation, transit insurance all other incidental charges and as directed by TWAD Board officers.

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NUMBER #

For the Year 2026-2027 (From 01.04.2026 - 31.03.2027)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protector of all schemee 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 10.36 MLD, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers 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 etc complete and as directed by TWAD Board officers Totally 3781.4 ML (10.36*365)

Attending Burst 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. etc complete and as directed by TWAD Board officers

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of Pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

PSC Pipes of various sizes

PVC Pipes of various sizes

AC Pipes of various sizes

Supply and Delivery of MS bare pipes of the following dimensions as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes including transportation charges in any where in Tamilnadu etc., complete and as directed by TWAD Board officers

200 mm dia MS pipe

350 mm dia MS pipe

600 mm dia MS pipe

Supply and delivery of the following sizes of unplastisized PVC Rigid pipes and specials confirming to IS other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transportation, insurance charges, etc., complete and as directed by TWAD Board officers.

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

PVC COUPLER FABRICATED

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

Supply and delivery of the following sizes of AC PIPES of confirming to the IS 8329/2000 and other specifications at site of work including loading, unloading, fright, stacking, transit and insurance, etc. complete and as directed by TWAD Board officers.

250 mm dia DI k7

200 mm dia DI K7

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. etc., complete and as directed by TWAD Board officers.

Supplying and delivery of the following sizes of HDPE Pipes - PE 100 - PN6 , PN 8 & PN 10 confirming to IS:4984/2016 and other specifications in standard lengths including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

200 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of Pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

HDPE Pipes of various sizes

GI Pipes of various sizes

AC Pipes of various sizes

MS Pipes of various sizes

Jointing HDPE Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by TWAD Board Officers.

200 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

200 mm HDPE Pipe PN6

200 mm Dia and thick MS Pipe

350 mm Dia and thick MS Pipe

600 mm Dia and thick MS Pipe

Supply and Delivery of MJ Collars inclusive of transportation charges anywhere in Tamilnadu etc complete and as directed by TWAD Board officers

Supply and delivery of the following sizes of GI pipes ( Medium class) confirming to the IS and other specifications including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

50 mm GI Pipe

100 mm GI Pipe

Supply and delivery of following sizes of GI Specials conforming to IS specifications at site of work inclusive of transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers.

50 mm GI Coupling

100 mm GI Coupling

Removing the burst C.I /A.C/PSC./PVC Pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc complete (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers

200 mm AC Pipe

250 mm AC Pipe

350 mm PSC Pipe

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

Cutting the following sizes of the GI pipes true to axis and filing smoothly and finishing the ends etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

100 mm GI Pipe

Threading the following sizes of the GI pipes true to axis etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

100 mm GI Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. And as directed by TWAD Board officers

200 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

200 mm Dia and thick MS Pipe

350 mm Dia and thick MS Pipe

600 mm Dia and thick MS Pipe

Refilling with excavated soil (other than sand)complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

HDPE Pipes of various sizes

MS Pipes of various sizes

REPAIR AND RENEWAL OF PUMPSETS

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. etc complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pump and repair works in Submersible Pump Set including cost of all material, conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

For 15 H.P.

Rewinding of motor and reconditioning of pump and repair works in HSC Motors including cost of all material, conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

For 50 H.P.

For 75 H.P.

For 30 H.P.

For 25 H.P.

For40 H.P.

Repairand reconditioning works iv various capacity centrifugal HSC Pumpsets including coast of all materials (excluding bronze impeller ), conveyance,labour charges for removing and re erection of Centrifugal HSC Pumpsets etc, complete and as directed by TWAD Board officers.

For 50 H.P.

For 75 H.P.

For 40 H.P.

For 25 H.P.

For 15 H.P.

Rewinding of motor and and reconditioning of pump repair works works iv various capacity Open well submersible pumpsets including coast of all materials conveyance,labour charges for removing and re erection of submersible Pumpsets etc, complete and as directed by TWAD Board officers.

For 12.5 H.P.

For 10 H.P.

For 3 H.P.

For 1.5 H.P.

For 2 H.P.

For 3 H.P.

For 7.5H.P.

Attending Repair, rectification and reconditioning of CI Sluice valve CI NRV valve, including all material,, conveyance, labour charges and re erection of valve etc., complete and as directed by TWAD Board Officers.

300 mm CI Sluice valve

300 mm CI NRV valve

250 mm CI NRV valve

250 mm CI Sluice value

200 mm CI NRV valve

200 mm CI Sluice value

150 mm CI Sluice value

150 mm CI NRV value

Supply, delivery and fixing of following size of Gate valves in OHT's etc., complete and as directed by TWAD Board Officers.

50 mm gate valve

80 mm gate valve

100 mm gate valve

Attending cable fault by replacing the cable

Supply, delivery of 1.1 KV Grade Armoured aluminium Conductor cross Linked Poly ethylene insulated PVC sheathed cables confirmaing to IS etc., complete and as directed by TWAD board Officers. for following Wells submersible motor to main panel board.

3core 35 Sq. mm

3core 70 Sq. mm

3core 120 Sq. mm

3.50core 185 Sq. mm

3core 240 Sq. mm

Laying of 1.1 KV Grade PVC insulated steel Armoured aluminium cable as per I.E. rules to be laid in between Well Submersible motor and main panel board.

3core 35 Sq. mm

3core 70 Sq. mm

3core 120 Sq. mm

3.50core 185 Sq. mm

3core 240 Sq. mm

Jonting the 1.1KV grade PVC Insulated Steel armoured aluminum cable as per I E Rules including Jointing materials, Labour etc complete directed by the TWAD Board officers

3core 35 Sq. mm

3core 70 Sq. mm

3core 120 Sq. mm

3.50core 185 Sq. mm

3core 240 Sq. mm

Supply and delivery of following Range AMPS 3 Pole MCCB Switch (Moulted case circuit breakers) to control EB supply from E.B Pole to Main Panel Board

100 Amps 3 Pole MCCB Switch

160 Amps 3 Pole MCCB Switch

250 Amps 3 Pole MCCB Switch

400 Amps 3 pole MCCB switch

Electro magnetic Contactors

Supply and delivery of direct online starter confirming to IS13947 and IEC60947-1 suitable KW rating for operation in AC/ three Phase/50HZ(+/- 5%) and 415V (+/- 10%) including Ammeter, Overload relay, under Voltage release with no Volt coil, Air Break contactors suitable for next Standard higher KW rating, Single phasing preventor, dry running preventor and On/Off Push button switches, including the capacitor(the cost of capacitor is to be taken separately).

For 2 HP Starter

For 7.5 HP Starter

For 10 HP Starter

For 15 HP Starter

For 25 HP Starter

Removal of sediments and depositions of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall and bottom of sump using wire brushes, brooms, collecting , lifting of the deposited slit particles outside the sump, washing side wall and floor slab using bleaching powder including lighting arrangements and safety arrangements inside the sump, hire charges for the buckets, rope etc and supply of bleaching powder for cleaning purposes etc., complete and as directed by TWAD Board officers

1.00 LL capacity Sump

0.30 LL capacity Sump

0.60 LL capacity Sump

7.00 LL capacity Sump

Desilting light or sandysoil or silt from infiltration wells below water level including the charges for special T&P and air compressor etc., complete and as directed by TWAD Board officers.

TRANSFORMER

Labour charges for dismantling of 315 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to 315KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 315 KVA Transformer as per IS Specifications as rected by TWAD Board Officers

Supply and delivery of 3 phase insulation to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing copper rod to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value Improvement work 900c for 2 days to 200 KVA Transformer as per IS Specifications as directed by TwAD Board Officers

Charges for transformer tank cleaning and painting work to 315KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges for new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 315KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 315 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete as directed by TWAD Board officers

ROAD RESTORATION

Labour for cutting open road for laying water mains or sewer etc and as directed by TWAD Board officers.

B.T. Roads (or) Maccadam road

Concrete Roads

GRAVEL FILLING

Supply of Gravel for filling the excavated soil, if existing soil is not suitable for refilling as directed byTWAD Officials

PCC - M30 CONCRETE

Plain Cement Concrete 1:1.5:3 (one cement, one and half fine aggregates and three coarse aggregates) using 20mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges etc., complete as per standard specification

Road Restoration - Patch work

Demolishing Rocks / Obstacles

Hiring Charges for Heavy duty electrical Concrete breaker machine

Hiring charges for Genset 40 KVA

Carting Away of Debris

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

COST OF CHEMICALS

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 and as directed by TWAD Board officers.

Supply and delivery of Liquid Chlorine cylinder as per IS specification (with chlorine 99.80% moisture, Na203 Hydrogen and carbon dioxide are to be Nil) including loading, freight, unloading, stacking transit insurance and all other incidental charges and as directed by TWAD Board officers.

Supply, delivery of Ferric Alum (Sulphate of alumina - Ferric) Grade - II in loose as per ISI 299/2012 and amended from time to time including freight, loading, unloading, transporation, transit insurance all other incidental charges and as directed by TWAD Board officers.

For the Year 2027-2028 (From 01.04.2027 - 31.03.2028)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protector of all schemee 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 10.46 MLD, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers 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 etc complete and as directed by TWAD Board officers Totally 3828.360 ML (10.46*366)

Attending Burst 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. etc complete and as directed by TWAD Board officers

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of Pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

PSC Pipes of various sizes

PVC Pipes of various sizes

AC Pipes of various sizes

Supply and Delivery of MS bare pipes of the following dimensions as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes including transportation charges in any where in Tamilnadu etc., complete and as directed by TWAD Board officers

200 mm dia MS pipe

350 mm dia MS pipe

600 mm dia MS pipe

Supply and delivery of the following sizes of unplastisized PVC Rigid pipes and specials confirming to IS other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transportation, insurance charges, etc., complete and as directed by TWAD Board officers.

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

PVC COUPLER FABRICATED

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

Supply and delivery of the following sizes of AC PIPES of confirming to the IS 8329/2000 and other specifications at site of work including loading, unloading, fright, stacking, transit and insurance, etc. complete and as directed by TWAD Board officers.

250 mm dia DI k7

200 mm dia DI K7

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. etc., complete and as directed by TWAD Board officers.

Supplying and delivery of the following sizes of HDPE Pipes - PE 100 - PN6 , PN 8 & PN 10 confirming to IS:4984/2016 and other specifications in standard lengths including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

200 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of Pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

HDPE Pipes of various sizes

GI Pipes of various sizes

AC Pipes of various sizes

MS Pipes of various sizes

Jointing HDPE Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by TWAD Board Officers.

200 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

200 mm HDPE Pipe PN6

200 mm Dia and thick MS Pipe

350 mm Dia and thick MS Pipe

600 mm Dia and thick MS Pipe

Supply and Delivery of MJ Collars inclusive of transportation charges anywhere in Tamilnadu etc complete and as directed by TWAD Board officers

Supply and delivery of the following sizes of GI pipes ( Medium class) confirming to the IS and other specifications including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

50 mm GI Pipe

100 mm GI Pipe

Supply and delivery of following sizes of GI Specials conforming to IS specifications at site of work inclusive of transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers.

50 mm GI Coupling

100 mm GI Coupling

Removing the burst C.I /A.C/PSC./PVC Pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc complete (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers

200 mm AC Pipe

250 mm AC Pipe

350 mm PSC Pipe

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

Cutting the following sizes of the GI pipes true to axis and filing smoothly and finishing the ends etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

100 mm GI Pipe

Threading the following sizes of the GI pipes true to axis etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

100 mm GI Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. And as directed by TWAD Board officers

200 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

200 mm Dia and thick MS Pipe

350 mm Dia and thick MS Pipe

600 mm Dia and thick MS Pipe

Refilling with excavated soil (other than sand)complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

HDPE Pipes of various sizes

MS Pipes of various sizes

REPAIR AND RENEWAL OF PUMPSETS

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. etc complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pump and repair works in Submersible Pump Set including cost of all material, conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

For 15 H.P.

Rewinding of motor and reconditioning of pump and repair works in HSC Motors including cost of all material, conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

For 50 H.P.

For 75 H.P.

For 30 H.P.

For 25 H.P.

For40 H.P.

Repairand reconditioning works iv various capacity centrifugal HSC Pumpsets including coast of all materials (excluding bronze impeller ), conveyance,labour charges for removing and re erection of Centrifugal HSC Pumpsets etc, complete and as directed by TWAD Board officers.

For 50 H.P.

For 75 H.P.

For 40 H.P.

For 25 H.P.

For 15 H.P.

Rewinding of motor and and reconditioning of pump repair works works iv various capacity Open well submersible pumpsets including coast of all materials conveyance,labour charges for removing and re erection of submersible Pumpsets etc, complete and as directed by TWAD Board officers.

For 12.5 H.P.

For 10 H.P.

For 3 H.P.

For 1.5 H.P.

For 2 H.P.

For 3 H.P.

For 7.5H.P.

Attending Repair, rectification and reconditioning of CI Sluice valve CI NRV valve, including all material,, conveyance, labour charges and re erection of valve etc., complete and as directed by TWAD Board Officers.

300 mm CI Sluice valve

300 mm CI NRV valve

250 mm CI NRV valve

250 mm CI Sluice value

200 mm CI NRV valve

200 mm CI Sluice value

150 mm CI Sluice value

150 mm CI NRV value

Supply, delivery and fixing of following size of Gate valves in OHT's etc., complete and as directed by TWAD Board Officers.

50 mm gate valve

80 mm gate valve

100 mm gate valve

Attending cable fault by replacing the cable

Supply, delivery of 1.1 KV Grade Armoured aluminium Conductor cross Linked Poly ethylene insulated PVC sheathed cables confirmaing to IS etc., complete and as directed by TWAD board Officers. for following Wells submersible motor to main panel board.

3core 35 Sq. mm

3core 70 Sq. mm

3core 120 Sq. mm

3.50core 185 Sq. mm

3core 240 Sq. mm

Laying of 1.1 KV Grade PVC insulated steel Armoured aluminium cable as per I.E. rules to be laid in between Well Submersible motor and main panel board.

3core 35 Sq. mm

3core 70 Sq. mm

3core 120 Sq. mm

3.50core 185 Sq. mm

3core 240 Sq. mm

Jonting the 1.1KV grade PVC Insulated Steel armoured aluminum cable as per I E Rules including Jointing materials, Labour etc complete directed by the TWAD Board officers

3core 35 Sq. mm

3core 70 Sq. mm

3core 120 Sq. mm

3.50core 185 Sq. mm

3core 240 Sq. mm

Supply and delivery of following Range AMPS 3 Pole MCCB Switch (Moulted case circuit breakers) to control EB supply from E.B Pole to Main Panel Board

100 Amps 3 Pole MCCB Switch

160 Amps 3 Pole MCCB Switch

250 Amps 3 Pole MCCB Switch

400 Amps 3 pole MCCB switch

Electro magnetic Contactors

Supply and delivery of direct online starter confirming to IS13947 and IEC60947-1 suitable KW rating for operation in AC/ three Phase/50HZ(+/- 5%) and 415V (+/- 10%) including Ammeter, Overload relay, under Voltage release with no Volt coil, Air Break contactors suitable for next Standard higher KW rating, Single phasing preventor, dry running preventor and On/Off Push button switches, including the capacitor(the cost of capacitor is to be taken separately).

For 2 HP Starter

For 7.5 HP Starter

For 10 HP Starter

For 15 HP Starter

For 25 HP Starter

Removal of sediments and depositions of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall and bottom of sump using wire brushes, brooms, collecting , lifting of the deposited slit particles outside the sump, washing side wall and floor slab using bleaching powder including lighting arrangements and safety arrangements inside the sump, hire charges for the buckets, rope etc and supply of bleaching powder for cleaning purposes etc., complete and as directed by TWAD Board officers

1.00 LL capacity Sump

0.30 LL capacity Sump

0.60 LL capacity Sump

7.00 LL capacity Sump

Desilting light or sandysoil or silt from infiltration wells below water level including the charges for special T&P and air compressor etc., complete and as directed by TWAD Board officers.

TRANSFORMER

Labour charges for dismantling of 315 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to 315KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 315 KVA Transformer as per IS Specifications as rected by TWAD Board Officers

Supply and delivery of 3 phase insulation to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing copper rod to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value Improvement work 900c for 2 days to 200 KVA Transformer as per IS Specifications as directed by TwAD Board Officers

Charges for transformer tank cleaning and painting work to 315KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges for new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 315KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 315 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete as directed by TWAD Board officers

ROAD RESTORATION

Labour for cutting open road for laying water mains or sewer etc and as directed by TWAD Board officers.

B.T. Roads (or) Maccadam road

Concrete Roads

GRAVEL FILLING

Supply of Gravel for filling the excavated soil, if existing soil is not suitable for refilling as directed byTWAD Officials

PCC - M30 CONCRETE

Plain Cement Concrete 1:1.5:3 (one cement, one and half fine aggregates and three coarse aggregates) using 20mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges etc., complete as per standard specification

Road Restoration - Patch work

Demolishing Rocks / Obstacles

Hiring Charges for Heavy duty electrical Concrete breaker machine

Hiring charges for Genset 40 KVA

Carting Away of Debris

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

COST OF CHEMICALS

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 and as directed by TWAD Board officers.

Supply and delivery of Liquid Chlorine cylinder as per IS specification (with chlorine 99.80% moisture, Na203 Hydrogen and carbon dioxide are to be Nil) including loading, freight, unloading, stacking transit insurance and all other incidental charges and as directed by TWAD Board officers.

Supply, delivery of Ferric Alum (Sulphate of alumina - Ferric) Grade - II in loose as per ISI 299/2012 and amended from time to time including freight, loading, unloading, transporation, transit insurance all other incidental charges and as directed by TWAD Board officers.

For the Year 2028-2029 (From 01.04.2028 - 31.03.2029)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protector of all schemee 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 10.55 MLD, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers 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 etc complete and as directed by TWAD Board officers Totally 3850.75 ML (10.55*365)

Attending Burst 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. etc complete and as directed by TWAD Board officers

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of Pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

PSC Pipes of various sizes

PVC Pipes of various sizes

AC Pipes of various sizes

Supply and Delivery of MS bare pipes of the following dimensions as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes including transportation charges in any where in Tamilnadu etc., complete and as directed by TWAD Board officers

200 mm dia MS pipe

350 mm dia MS pipe

600 mm dia MS pipe

Supply and delivery of the following sizes of unplastisized PVC Rigid pipes and specials confirming to IS other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transportation, insurance charges, etc., complete and as directed by TWAD Board officers.

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

PVC COUPLER FABRICATED

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

Supply and delivery of the following sizes of AC PIPES of confirming to the IS 8329/2000 and other specifications at site of work including loading, unloading, fright, stacking, transit and insurance, etc. complete and as directed by TWAD Board officers.

250 mm dia DI k7

200 mm dia DI K7

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. etc., complete and as directed by TWAD Board officers.

Supplying and delivery of the following sizes of HDPE Pipes - PE 100 - PN6 , PN 8 & PN 10 confirming to IS:4984/2016 and other specifications in standard lengths including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

200 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of Pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

HDPE Pipes of various sizes

GI Pipes of various sizes

AC Pipes of various sizes

MS Pipes of various sizes

Jointing HDPE Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by TWAD Board Officers.

200 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

200 mm HDPE Pipe PN6

200 mm Dia and thick MS Pipe

350 mm Dia and thick MS Pipe

600 mm Dia and thick MS Pipe

Supply and Delivery of MJ Collars inclusive of transportation charges anywhere in Tamilnadu etc complete and as directed by TWAD Board officers

Supply and delivery of the following sizes of GI pipes ( Medium class) confirming to the IS and other specifications including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

50 mm GI Pipe

100 mm GI Pipe

Supply and delivery of following sizes of GI Specials conforming to IS specifications at site of work inclusive of transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers.

50 mm GI Coupling

100 mm GI Coupling

Removing the burst C.I /A.C/PSC./PVC Pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc complete (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers

200 mm AC Pipe

250 mm AC Pipe

350 mm PSC Pipe

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

Cutting the following sizes of the GI pipes true to axis and filing smoothly and finishing the ends etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

100 mm GI Pipe

Threading the following sizes of the GI pipes true to axis etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

100 mm GI Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. And as directed by TWAD Board officers

200 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

200 mm Dia and thick MS Pipe

350 mm Dia and thick MS Pipe

600 mm Dia and thick MS Pipe

Refilling with excavated soil (other than sand)complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

HDPE Pipes of various sizes

MS Pipes of various sizes

REPAIR AND RENEWAL OF PUMPSETS

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. etc complete and as directed by the TWAD Board Officers

Rewinding of motor and reconditioning of pump and repair works in Submersible Pump Set including cost of all material, conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

For 15 H.P.

Rewinding of motor and reconditioning of pump and repair works in HSC Motors including cost of all material, conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

For 50 H.P.

For 75 H.P.

For 30 H.P.

For 25 H.P.

For40 H.P.

Repairand reconditioning works iv various capacity centrifugal HSC Pumpsets including coast of all materials (excluding bronze impeller ), conveyance,labour charges for removing and re erection of Centrifugal HSC Pumpsets etc, complete and as directed by TWAD Board officers.

For 50 H.P.

For 75 H.P.

For 40 H.P.

For 25 H.P.

For 15 H.P.

Rewinding of motor and and reconditioning of pump repair works works iv various capacity Open well submersible pumpsets including coast of all materials conveyance,labour charges for removing and re erection of submersible Pumpsets etc, complete and as directed by TWAD Board officers.

For 12.5 H.P.

For 10 H.P.

For 3 H.P.

For 1.5 H.P.

For 2 H.P.

For 3 H.P.

For 7.5H.P.

Attending Repair, rectification and reconditioning of CI Sluice valve CI NRV valve, including all material,, conveyance, labour charges and re erection of valve etc., complete and as directed by TWAD Board Officers.

300 mm CI Sluice valve

300 mm CI NRV valve

250 mm CI NRV valve

250 mm CI Sluice value

200 mm CI NRV valve

200 mm CI Sluice value

150 mm CI Sluice value

150 mm CI NRV value

Supply, delivery and fixing of following size of Gate valves in OHT's etc., complete and as directed by TWAD Board Officers.

50 mm gate valve

80 mm gate valve

100 mm gate valve

Attending cable fault by replacing the cable

Supply, delivery of 1.1 KV Grade Armoured aluminium Conductor cross Linked Poly ethylene insulated PVC sheathed cables confirmaing to IS etc., complete and as directed by TWAD board Officers. for following Wells submersible motor to main panel board.

3core 35 Sq. mm

3core 70 Sq. mm

3core 120 Sq. mm

3.50core 185 Sq. mm

3core 240 Sq. mm

Laying of 1.1 KV Grade PVC insulated steel Armoured aluminium cable as per I.E. rules to be laid in between Well Submersible motor and main panel board.

3core 35 Sq. mm

3core 70 Sq. mm

3core 120 Sq. mm

3.50core 185 Sq. mm

3core 240 Sq. mm

Jonting the 1.1KV grade PVC Insulated Steel armoured aluminum cable as per I E Rules including Jointing materials, Labour etc complete directed by the TWAD Board officers

3core 35 Sq. mm

3core 70 Sq. mm

3core 120 Sq. mm

3.50core 185 Sq. mm

3core 240 Sq. mm

Supply and delivery of following Range AMPS 3 Pole MCCB Switch (Moulted case circuit breakers) to control EB supply from E.B Pole to Main Panel Board

100 Amps 3 Pole MCCB Switch

160 Amps 3 Pole MCCB Switch

250 Amps 3 Pole MCCB Switch

400 Amps 3 pole MCCB switch

Electro magnetic Contactors

Supply and delivery of direct online starter confirming to IS13947 and IEC60947-1 suitable KW rating for operation in AC/ three Phase/50HZ(+/- 5%) and 415V (+/- 10%) including Ammeter, Overload relay, under Voltage release with no Volt coil, Air Break contactors suitable for next Standard higher KW rating, Single phasing preventor, dry running preventor and On/Off Push button switches, including the capacitor(the cost of capacitor is to be taken separately).

For 2 HP Starter

For 7.5 HP Starter

For 10 HP Starter

For 15 HP Starter

For 25 HP Starter

Removal of sediments and depositions of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall and bottom of sump using wire brushes, brooms, collecting , lifting of the deposited slit particles outside the sump, washing side wall and floor slab using bleaching powder including lighting arrangements and safety arrangements inside the sump, hire charges for the buckets, rope etc and supply of bleaching powder for cleaning purposes etc., complete and as directed by TWAD Board officers

1.00 LL capacity Sump

0.30 LL capacity Sump

0.60 LL capacity Sump

7.00 LL capacity Sump

Desilting light or sandysoil or silt from infiltration wells below water level including the charges for special T&P and air compressor etc., complete and as directed by TWAD Board officers.

TRANSFORMER

Labour charges for dismantling of 315 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to 315KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 315 KVA Transformer as per IS Specifications as rected by TWAD Board Officers

Supply and delivery of 3 phase insulation to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing copper rod to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 200 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 315 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value Improvement work 900c for 2 days to 200 KVA Transformer as per IS Specifications as directed by TwAD Board Officers

Charges for transformer tank cleaning and painting work to 315KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges for new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 315KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 315 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete as directed by TWAD Board officers

ROAD RESTORATION

Labour for cutting open road for laying water mains or sewer etc and as directed by TWAD Board officers.

B.T. Roads (or) Maccadam road

Concrete Roads

GRAVEL FILLING

Supply of Gravel for filling the excavated soil, if existing soil is not suitable for refilling as directed byTWAD Officials

PCC - M30 CONCRETE

Plain Cement Concrete 1:1.5:3 (one cement, one and half fine aggregates and three coarse aggregates) using 20mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges etc., complete as per standard specification

Road Restoration - Patch work

Demolishing Rocks / Obstacles

Hiring Charges for Heavy duty electrical Concrete breaker machine

Hiring charges for Genset 40 KVA

Carting Away of Debris

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

COST OF CHEMICALS

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 and as directed by TWAD Board officers.

Supply and delivery of Liquid Chlorine cylinder as per IS specification (with chlorine 99.80% moisture, Na203 Hydrogen and carbon dioxide are to be Nil) including loading, freight, unloading, stacking transit insurance and all other incidental charges and as directed by TWAD Board officers.

Supply, delivery of Ferric Alum (Sulphate of alumina - Ferric) Grade - II in loose as per ISI 299/2012 and amended from time to time including freight, loading, unloading, transporation, transit insurance all other incidental charges and as directed by TWAD Board officers.

Item Rate BoQ

BoQ_Ver4.0

Name of the Bidder/ Bidding Firm / Company :

PRICE SCHEDULE- A3 (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 #

For the Year 2026-2027 (From 01.04.2026 - 31.03.2027)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protector of all schemee 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 4.20 MLD, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers 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 etc complete and as directed by TWAD Board officers Totally 1533.00 ML (4.20*365)

Attending Burst 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. etc complete and as directed by TWAD Board officers

Supply and delivery of the following sizes of unplastisized PVC Rigid pipes and specials confirming to IS other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transportation, insurance charges, etc., complete and as directed by TWAD Board officers.

50 mm PVC 6 KSC

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

50 mm PVC 6 KSC

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

Supply and Delivery of MS pipes of preferred dimensions ranging from 168.30mm OD to 2540mm OD having 2.6mm to 25mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes. Pipes shall be internally lined with plant applied Food Grade Liquid epoxy coating of minimum dry film thickness (DFT)of 406 microns as per Annex -B ,Clause- 1.2 of IS 3589:2001 Pipes shall be externally coated with plant applied Food grade liquid Epoxy coating of 406 microns dry film minimum thickness (DFT)as per Annex - B of IS 3589:2001

355.6mm x 4mm thick MS PIPE

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. etc., complete and as directed by TWAD Board officers.

Supply and delivery of lead wool as per sample including loading, umloading and transportation charges etc. complete and as directed by TWAD Bd. Officers

350 mm dia PSC Pipe Various Classes

Supply and delivery of Hardcrete oil as per sample including loading, umloading and transportation charges etc. complete and as directed by TWAD Bd. Officers

350 mm dia PSC Pipe Various Classes

Supply and delivery of cement350 mm dia PSC Pipe Various Classes including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

Supplying and delivery of the following sizes of HDPE Pipes - PE 100 - PN6 , PN 8 & PN 10 confirming to IS:4984/2016 and other specifications in standard lengths including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

250 mm HDPE Pipe PN6

200 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of Pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

HDPE Pipes of various sizes

GI Pipes of various sizes

PSC Pipes of various sizes

MS Pipes of various sizes

PVC Pipes of various sizes

Jointing HDPE Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by TWAD Board Officers.

250 mm HDPE Pipe PN6

200 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

Jointing the M.S. Pipes and specials with welded joints with the required no of run internally and externally including gauging including cost of welding rods LPG & o2Gas and hire charges for welding machine , cutting machine, power generators , crane and other required tools and plants and labour charges for fixing apputenances and other accessories where ever necessary in connection with pipe laying works and completing the work if all respects as per specification and as directed by TWAD Board officers.

200 mm Dia and thick MS Pipe

250 mm Dia and thick MS Pipe

350 mm Dia and thick MS Pipe

Supply and Delivery of MJ Collars inclusive of transportation charges anywhere in Tamilnadu etc complete and as directed by TWAD Board officers

Supply and delivery of the following sizes of GI pipes ( Medium class) confirming to the IS and other specifications including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

50 mm GI Pipe

65 mm GI Pipe

85 mm GI Pipe

100 mm GI Pipe

150 mm GI Pipe

Supply and delivery of following sizes of GI Specials conforming to IS specifications at site of work inclusive of transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers.

50 mm GI Coupling

65 mm GI Coupling

80 mm GI Coupling

100 mm GI Coupling

150 mm GI Coupling

350 mm PSC Pipe

50mm PVC 6KSC

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

Cutting the following sizes of the GI pipes true to axis and filing smoothly and finishing the ends etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

150 mm GI Pipe

Threading the following sizes of the GI pipes true to axis etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

150 mm GI Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. And as directed by TWAD Board officers

250 mm HDPE Pipe PN6

200 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

200 mm Dia and thick MS Pipe

250 mm Dia and thick MS Pipe

350 mm Dia and thick MS Pipe

350 mm Dia and thick PSC Pipe

Refilling with excavated soil (other than sand)complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

HDPE Pipes of various sizes

MS Pipes of various sizes

PSC Pipes of various sizes

GI Pipes of various sizes

Attending Repair, rectification and reconditioning of CI Sluice valve ,Scour valve,Air valve, CI NRV valve, including all material,, conveyance, labour charges and re erection of valve etc., complete and as directed by TWAD Board Officers.

350 mm CI Sluice valve

250 mm CI Sluice valve

125 mm CI Sluice valve

100 mm CI Sluice value

80 mm CI Sluice value

65 mm CI Sluice value

50 mm CI Sluice value

150 mm CI Scour valve

125 mm CI Scour valve

100 mm CI Scour valve

80 mm CI Scour valve

50 mm CI Scour valve

50 mm Double Air valve

40 mm Double Air valve

Supply, delivery and fixing of following size of Gate valves in OHT's etc., complete and as directed by TWAD Board Officers.

50 mm gate valve

65 mm gate valve

80 mm gate valve

100 mm gate valve

Supply and delivery of Overload Relays: Directly operated Bimetallic Thermal overload relay which operates in case of overload and also in case of under voltage with manual and auto reset mode etc., complete and as directed by TWAD Board Officers

Upto 5A

Upto 5A-10A

Upto 10A-20A

Upto 20A-30A

Upto 30A-50A

Upto 50A-75A

Upto 75A-110A

Upto 200A-300A

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 device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Electric Motor protection device against dry running. The device should protect the motor against Dry running. The device should be suitable for any device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply etc., complete and as directed by TWAD Board Officers

Removal of sediments and depositions of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall and bottom of sump using wire brushes, brooms, collecting , lifting of the deposited slit particles outside the sump, washing side wall and floor slab using bleaching powder including lighting arrangements and safety arrangements inside the sump, hire charges for the buckets, rope etc and supply of bleaching powder for cleaning purposes etc., complete and as directed by TWAD Board officers

7.00 LL capacity Sump

1.00 LL capacity Sump

2.00 LL capacity Sump

8.00 LL capacity Sump

0.30 LL capacity Sump

Desilting light or sandysoil or silt from infiltration wells below water level including the charges for special T&P and air compressor etc., complete and as directed by TWAD Board officers.

Electro magnetic contactors of suitablecapacity in AC Three Phase rating,conforming to IS/IEC 60947-4-1.

Providing , laying,spreading and compacting graded stone aggregates for Wet Mix Macadam 250mm thichk including premixing the materials with water at OMC in mechanical mix plant, conveyance of mixed materials by tipper to site, laying in uniform layers using pavers in Sub Base / Base course on well prepared surface and compacting with vibratory roller to acheive the desired density including cost of material, labour charges, rentals of machinery, fuel and all other incidental charges etc., complete as per cluse 406 of MORTH Rev - 5.

Plain cement concrete 1:4:8 using 40mm HBS including cost of all materials, labour charges for mixing and placing in position of concrete, curing, finishing etc., complete

Plain cement concrete 1:2:4 using 20mm HBS including cost of all materials, labour charges for mixing and placing in position of concrete, curing, finishing 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 and as directed by TWAD Board officers.

Supply and delivery of Liquid Chlorine cylinder as per IS specification (with chlorine 99.80% moisture, Na203 Hydrogen and carbon dioxide are to be Nil) including loading, freight, unloading, stacking transit insurance and all other incidental charges and as directed by TWAD Board officers.

Supply, delivery of Ferric Alum (Sulphate of alumina - Ferric) Grade - II in loose as per ISI 299/2012 and amended from time to time including freight, loading, unloading, transporation, transit insurance all other incidental charges and as directed by TWAD Board officers.

For the Year 2027-2028 (From 01.04.2027 - 31.03.2028)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protector of all schemee 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 4.20 MLD, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers 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 etc complete and as directed by TWAD Board officers Totally 1533.00 ML (4.20*365)

Attending Burst 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. etc complete and as directed by TWAD Board officers

Supply and delivery of the following sizes of unplastisized PVC Rigid pipes and specials confirming to IS other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transportation, insurance charges, etc., complete and as directed by TWAD Board officers.

50 mm PVC 6 KSC

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

50 mm PVC 6 KSC

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

Supply and Delivery of MS pipes of preferred dimensions ranging from 168.30mm OD to 2540mm OD having 2.6mm to 25mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes. Pipes shall be internally lined with plant applied Food Grade Liquid epoxy coating of minimum dry film thickness (DFT)of 406 microns as per Annex -B ,Clause- 1.2 of IS 3589:2001 Pipes shall be externally coated with plant applied Food grade liquid Epoxy coating of 406 microns dry film minimum thickness (DFT)as per Annex - B of IS 3589:2001

355.6mm x 4mm thick MS PIPE

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. etc., complete and as directed by TWAD Board officers.

Supply and delivery of lead wool as per sample including loading, umloading and transportation charges etc. complete and as directed by TWAD Bd. Officers

350 mm dia PSC Pipe Various Classes

Supply and delivery of Hardcrete oil as per sample including loading, umloading and transportation charges etc. complete and as directed by TWAD Bd. Officers

350 mm dia PSC Pipe Various Classes

Supply and delivery of cement350 mm dia PSC Pipe Various Classes including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

Supplying and delivery of the following sizes of HDPE Pipes - PE 100 - PN6 , PN 8 & PN 10 confirming to IS:4984/2016 and other specifications in standard lengths including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

250 mm HDPE Pipe PN6

200 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of Pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

HDPE Pipes of various sizes

GI Pipes of various sizes

PSC Pipes of various sizes

MS Pipes of various sizes

PVC Pipes of various sizes

Jointing HDPE Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by TWAD Board Officers.

250 mm HDPE Pipe PN6

200 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

Jointing the M.S. Pipes and specials with welded joints with the required no of run internally and externally including gauging including cost of welding rods LPG & o2Gas and hire charges for welding machine , cutting machine, power generators , crane and other required tools and plants and labour charges for fixing apputenances and other accessories where ever necessary in connection with pipe laying works and completing the work if all respects as per specification and as directed by TWAD Board officers.

200 mm Dia and thick MS Pipe

250 mm Dia and thick MS Pipe

350 mm Dia and thick MS Pipe

Supply and Delivery of MJ Collars inclusive of transportation charges anywhere in Tamilnadu etc complete and as directed by TWAD Board officers

Supply and delivery of the following sizes of GI pipes ( Medium class) confirming to the IS and other specifications including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

50 mm GI Pipe

65 mm GI Pipe

85 mm GI Pipe

100 mm GI Pipe

150 mm GI Pipe

Supply and delivery of following sizes of GI Specials conforming to IS specifications at site of work inclusive of transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers.

50 mm GI Coupling

65 mm GI Coupling

80 mm GI Coupling

100 mm GI Coupling

150 mm GI Coupling

350 mm PSC Pipe

50mm PVC 6KSC

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

Cutting the following sizes of the GI pipes true to axis and filing smoothly and finishing the ends etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

150 mm GI Pipe

Threading the following sizes of the GI pipes true to axis etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

150 mm GI Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. And as directed by TWAD Board officers

250 mm HDPE Pipe PN6

200 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

200 mm Dia and thick MS Pipe

250 mm Dia and thick MS Pipe

350 mm Dia and thick MS Pipe

350 mm Dia and thick PSC Pipe

Refilling with excavated soil (other than sand)complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

HDPE Pipes of various sizes

MS Pipes of various sizes

PSC Pipes of various sizes

GI Pipes of various sizes

Attending Repair, rectification and reconditioning of CI Sluice valve ,Scour valve,Air valve, CI NRV valve, including all material,, conveyance, labour charges and re erection of valve etc., complete and as directed by TWAD Board Officers.

350 mm CI Sluice valve

250 mm CI Sluice valve

125 mm CI Sluice valve

100 mm CI Sluice value

80 mm CI Sluice value

65 mm CI Sluice value

50 mm CI Sluice value

150 mm CI Scour valve

125 mm CI Scour valve

100 mm CI Scour valve

80 mm CI Scour valve

50 mm CI Scour valve

50 mm Double Air valve

40 mm Double Air valve

Supply, delivery and fixing of following size of Gate valves in OHT's etc., complete and as directed by TWAD Board Officers.

50 mm gate valve

65 mm gate valve

80 mm gate valve

100 mm gate valve

Supply and delivery of Overload Relays: Directly operated Bimetallic Thermal overload relay which operates in case of overload and also in case of under voltage with manual and auto reset mode etc., complete and as directed by TWAD Board Officers

Upto 5A

Upto 5A-10A

Upto 10A-20A

Upto 20A-30A

Upto 30A-50A

Upto 50A-75A

Upto 75A-110A

Upto 200A-300A

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 device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Electric Motor protection device against dry running. The device should protect the motor against Dry running. The device should be suitable for any device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply etc., complete and as directed by TWAD Board Officers

Removal of sediments and depositions of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall and bottom of sump using wire brushes, brooms, collecting , lifting of the deposited slit particles outside the sump, washing side wall and floor slab using bleaching powder including lighting arrangements and safety arrangements inside the sump, hire charges for the buckets, rope etc and supply of bleaching powder for cleaning purposes etc., complete and as directed by TWAD Board officers

7.00 LL capacity Sump

1.00 LL capacity Sump

2.00 LL capacity Sump

8.00 LL capacity Sump

0.30 LL capacity Sump

Desilting light or sandysoil or silt from infiltration wells below water level including the charges for special T&P and air compressor etc., complete and as directed by TWAD Board officers.

Electro magnetic contactors of suitablecapacity in AC Three Phase rating,conforming to IS/IEC 60947-4-1.

Providing , laying,spreading and compacting graded stone aggregates for Wet Mix Macadam 250mm thichk including premixing the materials with water at OMC in mechanical mix plant, conveyance of mixed materials by tipper to site, laying in uniform layers using pavers in Sub Base / Base course on well prepared surface and compacting with vibratory roller to acheive the desired density including cost of material, labour charges, rentals of machinery, fuel and all other incidental charges etc., complete as per cluse 406 of MORTH Rev - 5.

Plain cement concrete 1:4:8 using 40mm HBS including cost of all materials, labour charges for mixing and placing in position of concrete, curing, finishing etc., complete

Plain cement concrete 1:2:4 using 20mm HBS including cost of all materials, labour charges for mixing and placing in position of concrete, curing, finishing 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 and as directed by TWAD Board officers.

Supply and delivery of Liquid Chlorine cylinder as per IS specification (with chlorine 99.80% moisture, Na203 Hydrogen and carbon dioxide are to be Nil) including loading, freight, unloading, stacking transit insurance and all other incidental charges and as directed by TWAD Board officers.

Supply, delivery of Ferric Alum (Sulphate of alumina - Ferric) Grade - II in loose as per ISI 299/2012 and amended from time to time including freight, loading, unloading, transporation, transit insurance all other incidental charges and as directed by TWAD Board officers.

For the Year 2028-2029 (From 01.04.2028 - 31.03.2029)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protector of all schemee 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 4.29 MLD, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers 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 etc complete and as directed by TWAD Board officers Totally 1565.85 ML (4.29*366)

Attending Burst 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. etc complete and as directed by TWAD Board officers

Supply and delivery of the following sizes of unplastisized PVC Rigid pipes and specials confirming to IS other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transportation, insurance charges, etc., complete and as directed by TWAD Board officers.

50 mm PVC 6 KSC

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

50 mm PVC 6 KSC

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

Supply and Delivery of MS pipes of preferred dimensions ranging from 168.30mm OD to 2540mm OD having 2.6mm to 25mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes. Pipes shall be internally lined with plant applied Food Grade Liquid epoxy coating of minimum dry film thickness (DFT)of 406 microns as per Annex -B ,Clause- 1.2 of IS 3589:2001 Pipes shall be externally coated with plant applied Food grade liquid Epoxy coating of 406 microns dry film minimum thickness (DFT)as per Annex - B of IS 3589:2001

355.6mm x 4mm thick MS PIPE

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. etc., complete and as directed by TWAD Board officers.

Supply and delivery of lead wool as per sample including loading, umloading and transportation charges etc. complete and as directed by TWAD Bd. Officers

350 mm dia PSC Pipe Various Classes

Supply and delivery of Hardcrete oil as per sample including loading, umloading and transportation charges etc. complete and as directed by TWAD Bd. Officers

350 mm dia PSC Pipe Various Classes

Supply and delivery of cement350 mm dia PSC Pipe Various Classes including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

Supplying and delivery of the following sizes of HDPE Pipes - PE 100 - PN6 , PN 8 & PN 10 confirming to IS:4984/2016 and other specifications in standard lengths including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

250 mm HDPE Pipe PN6

200 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of Pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

HDPE Pipes of various sizes

GI Pipes of various sizes

PSC Pipes of various sizes

MS Pipes of various sizes

PVC Pipes of various sizes

Jointing HDPE Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by TWAD Board Officers.

250 mm HDPE Pipe PN6

200 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

Jointing the M.S. Pipes and specials with welded joints with the required no of run internally and externally including gauging including cost of welding rods LPG & o2Gas and hire charges for welding machine , cutting machine, power generators , crane and other required tools and plants and labour charges for fixing apputenances and other accessories where ever necessary in connection with pipe laying works and completing the work if all respects as per specification and as directed by TWAD Board officers.

200 mm Dia and thick MS Pipe

250 mm Dia and thick MS Pipe

350 mm Dia and thick MS Pipe

Supply and Delivery of MJ Collars inclusive of transportation charges anywhere in Tamilnadu etc complete and as directed by TWAD Board officers

Supply and delivery of the following sizes of GI pipes ( Medium class) confirming to the IS and other specifications including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

50 mm GI Pipe

65 mm GI Pipe

85 mm GI Pipe

100 mm GI Pipe

150 mm GI Pipe

Supply and delivery of following sizes of GI Specials conforming to IS specifications at site of work inclusive of transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers.

50 mm GI Coupling

65 mm GI Coupling

80 mm GI Coupling

100 mm GI Coupling

150 mm GI Coupling

350 mm PSC Pipe

50mm PVC 6KSC

63mm PVC 4KSC

75mm PVC 4KSC

90mm PVC 4 KSC

110mm PVC 4KSC

140mm PVC 4KSC

160mm PVC 4KSC

Cutting the following sizes of the GI pipes true to axis and filing smoothly and finishing the ends etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

150 mm GI Pipe

Threading the following sizes of the GI pipes true to axis etc., complete and as directed by TWAD Board officers.

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

150 mm GI Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. And as directed by TWAD Board officers

250 mm HDPE Pipe PN6

200 mm HDPE Pipe PN6

160 mm HDPE Pipe PN6

200 mm Dia and thick MS Pipe

250 mm Dia and thick MS Pipe

350 mm Dia and thick MS Pipe

350 mm Dia and thick PSC Pipe

Refilling with excavated soil (other than sand)complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

HDPE Pipes of various sizes

MS Pipes of various sizes

PSC Pipes of various sizes

GI Pipes of various sizes

Attending Repair, rectification and reconditioning of CI Sluice valve ,Scour valve,Air valve, CI NRV valve, including all material,, conveyance, labour charges and re erection of valve etc., complete and as directed by TWAD Board Officers.

350 mm CI Sluice valve

250 mm CI Sluice valve

125 mm CI Sluice valve

100 mm CI Sluice value

80 mm CI Sluice value

65 mm CI Sluice value

50 mm CI Sluice value

150 mm CI Scour valve

125 mm CI Scour valve

100 mm CI Scour valve

80 mm CI Scour valve

50 mm CI Scour valve

50 mm Double Air valve

40 mm Double Air valve

Supply, delivery and fixing of following size of Gate valves in OHT's etc., complete and as directed by TWAD Board Officers.

50 mm gate valve

65 mm gate valve

80 mm gate valve

100 mm gate valve

Supply and delivery of Overload Relays: Directly operated Bimetallic Thermal overload relay which operates in case of overload and also in case of under voltage with manual and auto reset mode etc., complete and as directed by TWAD Board Officers

Upto 5A

Upto 5A-10A

Upto 10A-20A

Upto 20A-30A

Upto 30A-50A

Upto 50A-75A

Upto 75A-110A

Upto 200A-300A

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 device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Electric Motor protection device against dry running. The device should protect the motor against Dry running. The device should be suitable for any device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply etc., complete and as directed by TWAD Board Officers

Removal of sediments and depositions of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall and bottom of sump using wire brushes, brooms, collecting , lifting of the deposited slit particles outside the sump, washing side wall and floor slab using bleaching powder including lighting arrangements and safety arrangements inside the sump, hire charges for the buckets, rope etc and supply of bleaching powder for cleaning purposes etc., complete and as directed by TWAD Board officers

7.00 LL capacity Sump

1.00 LL capacity Sump

2.00 LL capacity Sump

8.00 LL capacity Sump

0.30 LL capacity Sump

Desilting light or sandysoil or silt from infiltration wells below water level including the charges for special T&P and air compressor etc., complete and as directed by TWAD Board officers.

Electro magnetic contactors of suitablecapacity in AC Three Phase rating,conforming to IS/IEC 60947-4-1.

Providing , laying,spreading and compacting graded stone aggregates for Wet Mix Macadam 250mm thichk including premixing the materials with water at OMC in mechanical mix plant, conveyance of mixed materials by tipper to site, laying in uniform layers using pavers in Sub Base / Base course on well prepared surface and compacting with vibratory roller to acheive the desired density including cost of material, labour charges, rentals of machinery, fuel and all other incidental charges etc., complete as per cluse 406 of MORTH Rev - 5.

Plain cement concrete 1:4:8 using 40mm HBS including cost of all materials, labour charges for mixing and placing in position of concrete, curing, finishing etc., complete

Plain cement concrete 1:2:4 using 20mm HBS including cost of all materials, labour charges for mixing and placing in position of concrete, curing, finishing 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 and as directed by TWAD Board officers.

Supply and delivery of Liquid Chlorine cylinder as per IS specification (with chlorine 99.80% moisture, Na203 Hydrogen and carbon dioxide are to be Nil) including loading, freight, unloading, stacking transit insurance and all other incidental charges and as directed by TWAD Board officers.

Supply, delivery of Ferric Alum (Sulphate of alumina - Ferric) Grade - II in loose as per ISI 299/2012 and amended from time to time including freight, loading, unloading, transporation, transit insurance all other incidental charges and as directed by TWAD Board officers.

Grand Total I,II & III

Item Rate BoQ

BoQ_Ver4.0

Name of the Bidder/ Bidding Firm / Company :

PRICE SCHEDULE- A4 (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 #

For the Year 2026-2027 (From 01.04.2026 - 31.03.2027)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protector of all schemee 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 9.40 MLD, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers 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 etc complete and as directed by TWAD Board officers Totally 3431.00 ML (9.40*365)

Attending Burst 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. etc complete and as directed by TWAD Board officers

Supply and delivery of the following sizes of unplastisized PVC Rigid pipes and specials confirming to IS other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transportation, insurance charges, etc., complete and as directed by TWAD Board officers.

50 mm PVC 6 KSC

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

50 mm PVC 6 KSC

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

For PVC Pipes of various sizes

AC Pipes of various sizes

AC Pipes of various sizes

Removing following the burst Pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc complete (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers

50 mm PVC 6 KSC

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

Supply and Delivery of MS pipes of preferred dimensions ranging from 168.30mm OD to 2540mm OD having 2.6mm to 25mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes. Pipes shall be internally lined with plant applied Food Grade Liquid epoxy coating of minimum dry film thickness (DFT)of 406 microns as per Annex -B ,Clause- 1.2 of IS 3589:2001 Pipes shall be externally coated with plant applied Food grade liquid Epoxy coating of 406 microns dry film minimum thickness (DFT)as per Annex - B of IS 3589:2001

406.4 mm x 4 mm thick MS PIPE

457 mm x 4 mm thick PIPE

Supply and delivery of lead wool as per sample including loading, umloading and transportation charges etc. complete and as directed by TWAD Bd. Officers

150 mm AC Pipe

200 mm AC Pipe

250 mm AC Pipe

400 mm PSC Pipe

450 mm PSC Pipe

Supply and delivery of Hardcrete oil as per sample including loading, umloading and transportation charges etc. complete and as directed by TWAD Bd. Officers

150 mm AC Pipe

200 mm AC Pipe

250 mm AC Pipe

400 mm PSC Pipe

450 mm PSC Pipe

Supply and delivery of cement including loading, unloading and transporation charges etc complete and as directed by TWAD Board Officers

150 mm AC Pipe

200 mm AC Pipe

250 mm AC Pipe

400 mm PSC Pipe

450 mm PSC Pipe

Supply and delivery of the following sizes of DUCTILE IRON PIPES of CLASS K7 confirming to the IS 8329/2000 and other specifications at site of work including loading, unloading, fright, stacking, transit and insurance, etc. complete and as directed by TWAD Board officers.

150 mm DI K7 Class

200 mm DI K7 Class

250 mm DI K7 Class

Removing the burst A.C. Pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc complete (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers

150 mm dia AC Class 15 Pipe

200 mm dia AC Class 15 Pipe

250 mm dia AC Class 15 Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. And as directed by TWAD Board officers

150 mm AC Pipe

200 mm AC Pipe

250 mm AC Pipe

Refilling with excavated soil (other than sand)complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

AC Pipes of various sizes

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. etc., complete and as directed by TWAD Board officers.

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of Pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

GI Pipes of various sizes

PSC Pipes of various sizes

PSC Pipes of various sizes

MS Pipes of various sizes

Jointing HDPE/MS Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by TWAD Board Officers.

200 mm Dia and thick MS Pipe

400 mm Dia and thick MS Pipe

450 mm Dia and thick MS Pipe

Supply and Delivery of MJ Collars inclusive of transportation charges anywhere in Tamilnadu etc complete and as directed by TWAD Board officers

Supply and delivery of the following sizes of GI pipes ( Medium class) confirming to the IS and other specifications including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

40 mm GI Pipe

50 mm GI Pipe

65 mm GI Pipe

85 mm GI Pipe

100 mm GI Pipe

125 mm GI Pipe

150 mm GI Pipe

Supply and delivery of following sizes of GI Specials conforming to IS specifications at site of work inclusive of transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers.

40 mm GI Coupling

50 mm GI Coupling

65 mm GI Coupling

80 mm GI Coupling

100 mm GI Coupling

125 mm GI Coupling

150 mm GI Coupling

400 mm PSC Pipe

450 mm PSC Pipe

Cutting the following sizes of the GI pipes true to axis and filing smoothly and finishing the ends etc., complete and as directed by TWAD Board officers.

40 mm GI Pipe

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

125 mm GI Pipe

150 mm GI Pipe

Threading the following sizes of the GI pipes true to axis etc., complete and as directed by TWAD Board officers.

40 mm GI Pipe

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

125 mm GI Pipe

150 mm GI Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. And as directed by TWAD Board officers

400 mm PSC Pipe

450 mm PSC Pipe

200 mm Dia and thick MS Pipe

400 mm Dia and thick PSC Pipe

450 mm Dia and thick PSC Pipe

Refilling with excavated soil (other than sand)complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

MS Pipes of various sizes

PSC Pipes of various sizes

Providing , laying,spreading and compacting graded stone aggregates for Wet Mix Macadam 250mm thichk including premixing the materials with water at OMC in mechanical mix plant, conveyance of mixed materials by tipper to site, laying in uniform layers using pavers in Sub Base / Base course on well prepared surface and compacting with vibratory roller to acheive the desired density including cost of material, labour charges, rentals of machinery, fuel and all other incidental charges etc., complete as per cluse 406 of MORTH Rev - 5.

Plain cement concrete 1:4:8 using 40mm HBS including cost of all materials, labour charges for mixing and placing in position of concrete, curing, finishing etc., complete

Plain cement concrete 1:2:4 using 20mm HBS including cost of all materials, labour charges for mixing and placing in position of concrete, curing, finishing etc., complete

Rewinding of Motors/ Coil 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. complete and as directed by the TWAD Board officers.

Rewinding of motor and reconditioning of pump and repair works to various capacity Open well Submersible pumpset including cost of all material, conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

Repair and reconditioning works in Centrifugal HSC Motors including cost of all material , conveyance, labour charges for removing and re-erection of Centrifugal HSC Motorsetc., complete and as directed by TWAD Board officers.

Repair and reconditioning works in various capacity Centrifugal HSC Pumpsets including cost of all material ,(excluding bronze impeller) conveyance, labour charges for removing and re-erection of Centrifugal HSC Pumpsets etc., complete and as directed by TWAD Board officers.

Supply and delivery of direct online starter confirming to IS13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/ three Phase/50HZ(+/- 5%) and 415V (+/- 10%) including Ammeter, Overload relay, under Voltage release with no Volt coil, Air Break contactors suitable for next Standard higher KW rating, Single phasing preventor, dry running preventor and On/Off Push button switches, including the capacitor etc complete and as directed by TWAD Board officers (the cost of capacitor is to be taken separately).

Upto 5 HP

Supply, delivery of 1.1 KV Grade Armoured aluminium Conductor cross Linked Poly ethylene insulated PVC sheathed cables confirmaing to IS etc., complete and as directed by TWAD board Officers. for following Wells submersible motor to main panel board.

3core 35 Sq. mm

3core 10 Sq. mm

3core 16 Sq. mm

3core 50 Sq. mm

3core 35 Sq. mm

3core 10 Sq. mm

3core 16 Sq. mm

3core 50 Sq. mm

3core 35 Sq. mm

3core 10 Sq. mm

3core 16 Sq. mm

3core 50 Sq. mm

630 Amps 4 Pole ACB Switch

Attending Repair, rectification and reconditioning of CI Sluice valve ,Scour valve,Air valve, CI NRV valve, including all material,, conveyance, labour charges and re erection of valve etc., complete and as directed by TWAD Board Officers.

400 mm CI Sluice valve

300 mm CI Sluice valve

250 mm CI Sluice valve

200 mm CI Sluice valve

125 mm CI Sluice valve

100 mm CI Sluice valve

80 mm CI Sluice valve

65 mm CI Sluice valve

50 mm CI Sluice valve

250 mm CI Scour valve

150 mm CI Scour valve

100 mm CI Scour valve

80 mm CI Scour valve

50 mm CI Scour valve

400 mm CI Non return valve

250 mm CI Non return valve

200 mm CI Non return valve

100 mm CI Non return valve

80 mm CI Non return valve

100 mm CI Double Air valve

80 mm CI Double Air valve

50 mm CI Double Air valve

40 mm CI Double Air valve

Supply and delivery of Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415/440V 50 HZ conforming to ISS:2834 with ISI marking

Supply, delivery and fixing of following size of Gate valves in OHT's etc., complete and as directed by TWAD Board Officers.

50 mm gate valve

65 mm gate valve

80 mm gate valve

100 mm gate valve

Supply and delivery of Overload Relays: Directly operated Bimetallic Thermal overload relay which operates in case of overload and also in case of under voltage with manual and auto reset mode etc., complete and as directed by TWAD Board Officers

Upto 5A

Upto 10A-20A

Upto 20A-30A

Upto 30A-50A

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 device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Electric Motor protection device against dry running. The device should protect the motor against Dry running. The device should be suitable for any device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply etc., complete and as directed by TWAD Board Officers

Removal of sediments and depositions of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall and bottom of sump using wire brushes, brooms, collecting , lifting of the deposited slit particles outside the sump, washing side wall and floor slab using bleaching powder including lighting arrangements and safety arrangements inside the sump, hire charges for the buckets, rope etc and supply of bleaching powder for cleaning purposes etc., complete and as directed by TWAD Board officers

5.00 LL capacity Sump

4.00 LL capacity Sump

2.00 LL capacity Sump

Desilting light or sandysoil or silt from infiltration wells below water level including the charges for special T&P and air compressor etc., complete and as directed by TWAD Board officers.

Electro magnetic contactors of suitablecapacity in AC Three Phase rating,conforming to IS/IEC 60947-4-1.

Labour charges for dismantling of 15 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 150 KVA Transformer as per IS Specifications as rected by TWAD Board Officers

Supply and delivery of 3 phase insulation to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing copper rod to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value Improvement work 900c for 2 days to 150 KVA Transformer as per IS Specifications as directed by TwAD Board Officers

Charges for transformer tank cleaning and painting work to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges for new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 150 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete 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 and as directed by TWAD Board officers.

Supply, delivery of stable Bleaching Powder anywhere in the schemes maintained by TWAD Board as per IS 1065:1989 (Grade I) and amended from time to time including freight, loading, unloading, transporation, transit insurance, all other incidental charges at site of work etc., complete and as directed by TWAD Board officers.

For the Year 2027-2028 (From 01.04.2027 - 31.03.2028)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protector of all schemee 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 9.52 MLD, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers 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 etc complete and as directed by TWAD Board officers Totally 3484.32 ML (9.52*366)

Attending Burst 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. etc complete and as directed by TWAD Board officers

Supply and delivery of the following sizes of unplastisized PVC Rigid pipes and specials confirming to IS other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transportation, insurance charges, etc., complete and as directed by TWAD Board officers.

50 mm PVC 6 KSC

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

50 mm PVC 6 KSC

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

For PVC Pipes of various sizes

AC Pipes of various sizes

AC Pipes of various sizes

Removing following the burst Pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc complete (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers

50 mm PVC 6 KSC

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

Supply and Delivery of MS pipes of preferred dimensions ranging from 168.30mm OD to 2540mm OD having 2.6mm to 25mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes. Pipes shall be internally lined with plant applied Food Grade Liquid epoxy coating of minimum dry film thickness (DFT)of 406 microns as per Annex -B ,Clause- 1.2 of IS 3589:2001 Pipes shall be externally coated with plant applied Food grade liquid Epoxy coating of 406 microns dry film minimum thickness (DFT)as per Annex - B of IS 3589:2001

406.4 mm x 4 mm thick MS PIPE

457 mm x 4 mm thick PIPE

Supply and delivery of lead wool as per sample including loading, umloading and transportation charges etc. complete and as directed by TWAD Bd. Officers

150 mm AC Pipe

200 mm AC Pipe

250 mm AC Pipe

400 mm PSC Pipe

450 mm PSC Pipe

Supply and delivery of Hardcrete oil as per sample including loading, umloading and transportation charges etc. complete and as directed by TWAD Bd. Officers

150 mm AC Pipe

200 mm AC Pipe

250 mm AC Pipe

400 mm PSC Pipe

450 mm PSC Pipe

Supply and delivery of cement including loading, unloading and transporation charges etc complete and as directed by TWAD Board Officers

150 mm AC Pipe

200 mm AC Pipe

250 mm AC Pipe

400 mm PSC Pipe

450 mm PSC Pipe

Supply and delivery of the following sizes of DUCTILE IRON PIPES of CLASS K7 confirming to the IS 8329/2000 and other specifications at site of work including loading, unloading, fright, stacking, transit and insurance, etc. complete and as directed by TWAD Board officers.

150 mm DI K7 Class

200 mm DI K7 Class

250 mm DI K7 Class

Removing the burst A.C. Pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc complete (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers

150 mm dia AC Class 15 Pipe

200 mm dia AC Class 15 Pipe

250 mm dia AC Class 15 Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. And as directed by TWAD Board officers

150 mm AC Pipe

200 mm AC Pipe

250 mm AC Pipe

Refilling with excavated soil (other than sand)complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

AC Pipes of various sizes

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. etc., complete and as directed by TWAD Board officers.

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of Pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

GI Pipes of various sizes

PSC Pipes of various sizes

PSC Pipes of various sizes

MS Pipes of various sizes

Jointing HDPE/MS Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by TWAD Board Officers.

200 mm Dia and thick MS Pipe

400 mm Dia and thick MS Pipe

450 mm Dia and thick MS Pipe

Supply and Delivery of MJ Collars inclusive of transportation charges anywhere in Tamilnadu etc complete and as directed by TWAD Board officers

Supply and delivery of the following sizes of GI pipes ( Medium class) confirming to the IS and other specifications including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

40 mm GI Pipe

50 mm GI Pipe

65 mm GI Pipe

85 mm GI Pipe

100 mm GI Pipe

125 mm GI Pipe

150 mm GI Pipe

Supply and delivery of following sizes of GI Specials conforming to IS specifications at site of work inclusive of transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers.

40 mm GI Coupling

50 mm GI Coupling

65 mm GI Coupling

80 mm GI Coupling

100 mm GI Coupling

125 mm GI Coupling

150 mm GI Coupling

400 mm PSC Pipe

450 mm PSC Pipe

Cutting the following sizes of the GI pipes true to axis and filing smoothly and finishing the ends etc., complete and as directed by TWAD Board officers.

40 mm GI Pipe

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

125 mm GI Pipe

150 mm GI Pipe

Threading the following sizes of the GI pipes true to axis etc., complete and as directed by TWAD Board officers.

40 mm GI Pipe

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

125 mm GI Pipe

150 mm GI Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. And as directed by TWAD Board officers

400 mm PSC Pipe

450 mm PSC Pipe

200 mm Dia and thick MS Pipe

400 mm Dia and thick PSC Pipe

450 mm Dia and thick PSC Pipe

Refilling with excavated soil (other than sand)complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

MS Pipes of various sizes

PSC Pipes of various sizes

Providing , laying,spreading and compacting graded stone aggregates for Wet Mix Macadam 250mm thichk including premixing the materials with water at OMC in mechanical mix plant, conveyance of mixed materials by tipper to site, laying in uniform layers using pavers in Sub Base / Base course on well prepared surface and compacting with vibratory roller to acheive the desired density including cost of material, labour charges, rentals of machinery, fuel and all other incidental charges etc., complete as per cluse 406 of MORTH Rev - 5.

Plain cement concrete 1:4:8 using 40mm HBS including cost of all materials, labour charges for mixing and placing in position of concrete, curing, finishing etc., complete

Plain cement concrete 1:2:4 using 20mm HBS including cost of all materials, labour charges for mixing and placing in position of concrete, curing, finishing etc., complete

Rewinding of Motors/ Coil 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. complete and as directed by the TWAD Board officers.

Rewinding of motor and reconditioning of pump and repair works to various capacity Open well Submersible pumpset including cost of all material, conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

Repair and reconditioning works in Centrifugal HSC Motors including cost of all material , conveyance, labour charges for removing and re-erection of Centrifugal HSC Motorsetc., complete and as directed by TWAD Board officers.

Repair and reconditioning works in various capacity Centrifugal HSC Pumpsets including cost of all material ,(excluding bronze impeller) conveyance, labour charges for removing and re-erection of Centrifugal HSC Pumpsets etc., complete and as directed by TWAD Board officers.

Supply and delivery of direct online starter confirming to IS13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/ three Phase/50HZ(+/- 5%) and 415V (+/- 10%) including Ammeter, Overload relay, under Voltage release with no Volt coil, Air Break contactors suitable for next Standard higher KW rating, Single phasing preventor, dry running preventor and On/Off Push button switches, including the capacitor etc complete and as directed by TWAD Board officers (the cost of capacitor is to be taken separately).

Upto 5 HP

Supply, delivery of 1.1 KV Grade Armoured aluminium Conductor cross Linked Poly ethylene insulated PVC sheathed cables confirmaing to IS etc., complete and as directed by TWAD board Officers. for following Wells submersible motor to main panel board.

3core 35 Sq. mm

3core 10 Sq. mm

3core 16 Sq. mm

3core 50 Sq. mm

3core 35 Sq. mm

3core 10 Sq. mm

3core 16 Sq. mm

3core 50 Sq. mm

3core 35 Sq. mm

3core 10 Sq. mm

3core 16 Sq. mm

3core 50 Sq. mm

630 Amps 4 Pole ACB Switch

Attending Repair, rectification and reconditioning of CI Sluice valve ,Scour valve,Air valve, CI NRV valve, including all material,, conveyance, labour charges and re erection of valve etc., complete and as directed by TWAD Board Officers.

400 mm CI Sluice valve

300 mm CI Sluice valve

250 mm CI Sluice valve

200 mm CI Sluice valve

125 mm CI Sluice valve

100 mm CI Sluice valve

80 mm CI Sluice valve

65 mm CI Sluice valve

50 mm CI Sluice valve

250 mm CI Scour valve

150 mm CI Scour valve

100 mm CI Scour valve

80 mm CI Scour valve

50 mm CI Scour valve

400 mm CI Non return valve

250 mm CI Non return valve

200 mm CI Non return valve

100 mm CI Non return valve

80 mm CI Non return valve

100 mm CI Double Air valve

80 mm CI Double Air valve

50 mm CI Double Air valve

40 mm CI Double Air valve

Supply and delivery of Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415/440V 50 HZ conforming to ISS:2834 with ISI marking

Supply, delivery and fixing of following size of Gate valves in OHT's etc., complete and as directed by TWAD Board Officers.

50 mm gate valve

65 mm gate valve

80 mm gate valve

100 mm gate valve

Supply and delivery of Overload Relays: Directly operated Bimetallic Thermal overload relay which operates in case of overload and also in case of under voltage with manual and auto reset mode etc., complete and as directed by TWAD Board Officers

Upto 5A

Upto 10A-20A

Upto 20A-30A

Upto 30A-50A

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 device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Electric Motor protection device against dry running. The device should protect the motor against Dry running. The device should be suitable for any device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply etc., complete and as directed by TWAD Board Officers

Removal of sediments and depositions of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall and bottom of sump using wire brushes, brooms, collecting , lifting of the deposited slit particles outside the sump, washing side wall and floor slab using bleaching powder including lighting arrangements and safety arrangements inside the sump, hire charges for the buckets, rope etc and supply of bleaching powder for cleaning purposes etc., complete and as directed by TWAD Board officers

5.00 LL capacity Sump

4.00 LL capacity Sump

2.00 LL capacity Sump

Desilting light or sandysoil or silt from infiltration wells below water level including the charges for special T&P and air compressor etc., complete and as directed by TWAD Board officers.

Electro magnetic contactors of suitablecapacity in AC Three Phase rating,conforming to IS/IEC 60947-4-1.

Labour charges for dismantling of 15 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 150 KVA Transformer as per IS Specifications as rected by TWAD Board Officers

Supply and delivery of 3 phase insulation to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing copper rod to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value Improvement work 900c for 2 days to 150 KVA Transformer as per IS Specifications as directed by TwAD Board Officers

Charges for transformer tank cleaning and painting work to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges for new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 150 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete 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 and as directed by TWAD Board officers.

Supply, delivery of stable Bleaching Powder anywhere in the schemes maintained by TWAD Board as per IS 1065:1989 (Grade I) and amended from time to time including freight, loading, unloading, transporation, transit insurance, all other incidental charges at site of work etc., complete and as directed by TWAD Board officers.

For the Year 2028-2029 (From 01.04.2027 - 31.03.2028)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protector of all schemee 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 9.638MLD, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers 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 etc complete and as directed by TWAD Board officers Totally 3517.870 ML (9.638*365)

Attending Burst 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. etc complete and as directed by TWAD Board officers

Supply and delivery of the following sizes of unplastisized PVC Rigid pipes and specials confirming to IS other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transportation, insurance charges, etc., complete and as directed by TWAD Board officers.

50 mm PVC 6 KSC

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

50 mm PVC 6 KSC

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

For PVC Pipes of various sizes

AC Pipes of various sizes

AC Pipes of various sizes

Removing following the burst Pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc complete (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers

50 mm PVC 6 KSC

63 mm PVC 4 KSC

75 mm PVC 4 KSC

90 mm PVC 4 KSC

110 mm PVC 4 KSC

140 mm PVC 4 KSC

160 mm PVC 4 KSC

Supply and Delivery of MS pipes of preferred dimensions ranging from 168.30mm OD to 2540mm OD having 2.6mm to 25mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes. Pipes shall be internally lined with plant applied Food Grade Liquid epoxy coating of minimum dry film thickness (DFT)of 406 microns as per Annex -B ,Clause- 1.2 of IS 3589:2001 Pipes shall be externally coated with plant applied Food grade liquid Epoxy coating of 406 microns dry film minimum thickness (DFT)as per Annex - B of IS 3589:2001

406.4 mm x 4 mm thick MS PIPE

457 mm x 4 mm thick PIPE

Supply and delivery of lead wool as per sample including loading, umloading and transportation charges etc. complete and as directed by TWAD Bd. Officers

150 mm AC Pipe

200 mm AC Pipe

250 mm AC Pipe

400 mm PSC Pipe

450 mm PSC Pipe

Supply and delivery of Hardcrete oil as per sample including loading, umloading and transportation charges etc. complete and as directed by TWAD Bd. Officers

150 mm AC Pipe

200 mm AC Pipe

250 mm AC Pipe

400 mm PSC Pipe

450 mm PSC Pipe

Supply and delivery of cement including loading, unloading and transporation charges etc complete and as directed by TWAD Board Officers

150 mm AC Pipe

200 mm AC Pipe

250 mm AC Pipe

400 mm PSC Pipe

450 mm PSC Pipe

Supply and delivery of the following sizes of DUCTILE IRON PIPES of CLASS K7 confirming to the IS 8329/2000 and other specifications at site of work including loading, unloading, fright, stacking, transit and insurance, etc. complete and as directed by TWAD Board officers.

150 mm DI K7 Class

200 mm DI K7 Class

250 mm DI K7 Class

Removing the burst A.C. Pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc complete (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers

150 mm dia AC Class 15 Pipe

200 mm dia AC Class 15 Pipe

250 mm dia AC Class 15 Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. And as directed by TWAD Board officers

150 mm AC Pipe

200 mm AC Pipe

250 mm AC Pipe

Refilling with excavated soil (other than sand)complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

AC Pipes of various sizes

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. etc., complete and as directed by TWAD Board officers.

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of Pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

GI Pipes of various sizes

PSC Pipes of various sizes

PSC Pipes of various sizes

MS Pipes of various sizes

Jointing HDPE/MS Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by TWAD Board Officers.

200 mm Dia and thick MS Pipe

400 mm Dia and thick MS Pipe

450 mm Dia and thick MS Pipe

Supply and Delivery of MJ Collars inclusive of transportation charges anywhere in Tamilnadu etc complete and as directed by TWAD Board officers

Supply and delivery of the following sizes of GI pipes ( Medium class) confirming to the IS and other specifications including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

40 mm GI Pipe

50 mm GI Pipe

65 mm GI Pipe

85 mm GI Pipe

100 mm GI Pipe

125 mm GI Pipe

150 mm GI Pipe

Supply and delivery of following sizes of GI Specials conforming to IS specifications at site of work inclusive of transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers.

40 mm GI Coupling

50 mm GI Coupling

65 mm GI Coupling

80 mm GI Coupling

100 mm GI Coupling

125 mm GI Coupling

150 mm GI Coupling

400 mm PSC Pipe

450 mm PSC Pipe

Cutting the following sizes of the GI pipes true to axis and filing smoothly and finishing the ends etc., complete and as directed by TWAD Board officers.

40 mm GI Pipe

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

125 mm GI Pipe

150 mm GI Pipe

Threading the following sizes of the GI pipes true to axis etc., complete and as directed by TWAD Board officers.

40 mm GI Pipe

50 mm GI Pipe

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

125 mm GI Pipe

150 mm GI Pipe

Dewatering using 5HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. And as directed by TWAD Board officers

400 mm PSC Pipe

450 mm PSC Pipe

200 mm Dia and thick MS Pipe

400 mm Dia and thick PSC Pipe

450 mm Dia and thick PSC Pipe

Refilling with excavated soil (other than sand)complying with standard specification in layers of 15cm watered well rammed and consolidated after the pipes and specials are laid,jointed and tested etc. and removing and depositing the surplus earth at the places shown by the TWAD Board Officers.

MS Pipes of various sizes

PSC Pipes of various sizes

Providing , laying,spreading and compacting graded stone aggregates for Wet Mix Macadam 250mm thichk including premixing the materials with water at OMC in mechanical mix plant, conveyance of mixed materials by tipper to site, laying in uniform layers using pavers in Sub Base / Base course on well prepared surface and compacting with vibratory roller to acheive the desired density including cost of material, labour charges, rentals of machinery, fuel and all other incidental charges etc., complete as per cluse 406 of MORTH Rev - 5.

Plain cement concrete 1:4:8 using 40mm HBS including cost of all materials, labour charges for mixing and placing in position of concrete, curing, finishing etc., complete

Plain cement concrete 1:2:4 using 20mm HBS including cost of all materials, labour charges for mixing and placing in position of concrete, curing, finishing etc., complete

Rewinding of Motors/ Coil 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. complete and as directed by the TWAD Board officers.

Rewinding of motor and reconditioning of pump and repair works to various capacity Open well Submersible pumpset including cost of all material, conveyance, labour charges for removing and re-erection etc., complete and as directed by TWAD Board officers.

Repair and reconditioning works in Centrifugal HSC Motors including cost of all material , conveyance, labour charges for removing and re-erection of Centrifugal HSC Motorsetc., complete and as directed by TWAD Board officers.

Repair and reconditioning works in various capacity Centrifugal HSC Pumpsets including cost of all material ,(excluding bronze impeller) conveyance, labour charges for removing and re-erection of Centrifugal HSC Pumpsets etc., complete and as directed by TWAD Board officers.

Supply and delivery of direct online starter confirming to IS13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/ three Phase/50HZ(+/- 5%) and 415V (+/- 10%) including Ammeter, Overload relay, under Voltage release with no Volt coil, Air Break contactors suitable for next Standard higher KW rating, Single phasing preventor, dry running preventor and On/Off Push button switches, including the capacitor etc complete and as directed by TWAD Board officers (the cost of capacitor is to be taken separately).

Upto 5 HP

Supply, delivery of 1.1 KV Grade Armoured aluminium Conductor cross Linked Poly ethylene insulated PVC sheathed cables confirmaing to IS etc., complete and as directed by TWAD board Officers. for following Wells submersible motor to main panel board.

3core 35 Sq. mm

3core 10 Sq. mm

3core 16 Sq. mm

3core 50 Sq. mm

3core 35 Sq. mm

3core 10 Sq. mm

3core 16 Sq. mm

3core 50 Sq. mm

3core 35 Sq. mm

3core 10 Sq. mm

3core 16 Sq. mm

3core 50 Sq. mm

630 Amps 4 Pole ACB Switch

Attending Repair, rectification and reconditioning of CI Sluice valve ,Scour valve,Air valve, CI NRV valve, including all material,, conveyance, labour charges and re erection of valve etc., complete and as directed by TWAD Board Officers.

400 mm CI Sluice valve

300 mm CI Sluice valve

250 mm CI Sluice valve

200 mm CI Sluice valve

125 mm CI Sluice valve

100 mm CI Sluice valve

80 mm CI Sluice valve

65 mm CI Sluice valve

50 mm CI Sluice valve

250 mm CI Scour valve

150 mm CI Scour valve

100 mm CI Scour valve

80 mm CI Scour valve

50 mm CI Scour valve

400 mm CI Non return valve

250 mm CI Non return valve

200 mm CI Non return valve

100 mm CI Non return valve

80 mm CI Non return valve

100 mm CI Double Air valve

80 mm CI Double Air valve

50 mm CI Double Air valve

40 mm CI Double Air valve

Supply and delivery of Power capacitor for power factor improvement with oil filled with discharge resistance 3 phase 415/440V 50 HZ conforming to ISS:2834 with ISI marking

Supply, delivery and fixing of following size of Gate valves in OHT's etc., complete and as directed by TWAD Board Officers.

50 mm gate valve

65 mm gate valve

80 mm gate valve

100 mm gate valve

Supply and delivery of Overload Relays: Directly operated Bimetallic Thermal overload relay which operates in case of overload and also in case of under voltage with manual and auto reset mode etc., complete and as directed by TWAD Board Officers

Upto 5A

Upto 10A-20A

Upto 20A-30A

Upto 30A-50A

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 device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply.

Electric Motor protection device against dry running. The device should protect the motor against Dry running. The device should be suitable for any device and have provisions for mounting in panel boards. Operate without need of any auxiliary supply etc., complete and as directed by TWAD Board Officers

Removal of sediments and depositions of sludge, silt,Particles inside the sump at various capacities by engaging required labours and diesel pumpsets and cleaning the side wall and bottom of sump using wire brushes, brooms, collecting , lifting of the deposited slit particles outside the sump, washing side wall and floor slab using bleaching powder including lighting arrangements and safety arrangements inside the sump, hire charges for the buckets, rope etc and supply of bleaching powder for cleaning purposes etc., complete and as directed by TWAD Board officers

5.00 LL capacity Sump

4.00 LL capacity Sump

2.00 LL capacity Sump

Desilting light or sandysoil or silt from infiltration wells below water level including the charges for special T&P and air compressor etc., complete and as directed by TWAD Board officers.

Electro magnetic contactors of suitablecapacity in AC Three Phase rating,conforming to IS/IEC 60947-4-1.

Labour charges for dismantling of 15 KVA Transformer with all accessories by using crane etc. complete as directed by TWAD Board officers

Supply and delivery of HV 11KV Copper Dual Coat Super enameled winding coils for 3 phase to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of LV 433V Copper windings for 3 phase insulation to 150 KVA Transformer as per IS Specifications as rected by TWAD Board Officers

Supply and delivery of 3 phase insulation to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of new transformer oil to 250 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 11KV HV Bushing with metal parts to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of 433KV LV Bushing copper rod to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of silica gel breather to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of Capillary type thermometer including accessories to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of gasket & oil seals to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Supply and delivery of paint to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for hot air chamber treatment for IR value Improvement work 900c for 2 days to 150 KVA Transformer as per IS Specifications as directed by TwAD Board Officers

Charges for transformer tank cleaning and painting work to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour Charges for new windings reassembling with new insulation off load tape switch connection load with delta star connection by copper bracing work two coatings varnish apply work to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Charges for attending core winding job to tank accessories fixing as per IS specification including testing work with loading to 150 KVA Transformer as per IS Specifications as directed by TWAD Board Officers

Labour charges for Re rection of 150 KVA Transformer and all accessories by using crane etc. complete as directed by TWAD Board officers

Conveyance charges for transformer head works station to work shop site and work shop site to head works station completion of rectification works etc. complete 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 and as directed by TWAD Board officers.

Supply, delivery of stable Bleaching Powder anywhere in the schemes maintained by TWAD Board as per IS 1065:1989 (Grade I) and amended from time to time including freight, loading, unloading, transporation, transit insurance, all other incidental charges at site of work etc., complete and as directed by TWAD Board officers.

Grand Total I,II & III

Item Rate BoQ

BoQ_Ver4.0

Name of the Bidder/ Bidding Firm / Company :

PRICE SCHEDULE- A5 (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 #

For the Year 2026-2027 (From 01.04.2026 - 31.03.2027)

Operation and Maintenance of the Electro Mechanical installations, equipments, components, pipelines valves and appurtenances, water retaining structures including protector of all schemee 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 28.176 MLD, carrying out the O&M as per standard operating procedures, Acts and rules in force and as directed by TWAD Board Oficers 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 etc complete and as directed by TWAD Board officers Totally 10284.24 ML (28.176*365)

Attending Burst 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. etc complete and as directed by TWAD Board officers

Supply and delivery of the following sizes of HDPE PN 6 pipes and specials confirming to IS other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transit, insurance charges, etc., complete and as directed by TWAD Board officers.

63 mm dia HDPE Pipe PN 6

75 mm dia HDPE Pipe PN 6

90 mm dia HDPE Pipe PN 6

110 mm dia HDPE Pipe PN 6

110 mm dia HDPE Pipe PN 8

125 mm dia HDPE Pipe PN 6

140 mm dia HDPE Pipe PN 6

140 mm dia HDPE Pipe PN 8

140 mm dia HDPE Pipe PN 10

200 mm dia HDPE Pipe PN 6

200 mm dia HDPE Pipe PN 8

200 mm dia HDPE Pipe PN 10

Supply and delivery of HDPE specials of confirming to IS specifications at site of work inclusive of transportation charges anywhere in Tamil Nadu and as directed by TWAD Board officers.

63 mm dia HDPE Coupler (PN 6)

75 mm dia HDPE Coupler (PN 6)

90 mm dia HDPE Coupler (PN 6)

110 mm dia HDPE Coupler (PN 6)

110 mm dia HDPE Coupler (PN 8)

125 mm dia HDPE Coupler (PN 6)

140 mm dia HDPE Coupler (PN 6)

140 mm dia HDPE Coupler (PN 8)

140 mm dia HDPE Coupler (PN 10)

200 mm dia HDPE Coupler (PN 6)

200 mm dia HDPE Coupler (PN 8)

200 mm dia HDPE Coupler (PN10)

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for the following sizes of pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

For HDPE Pipes of various sizes

Removing following the burst Pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc complete (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers

63 mm dia HDPE Pipe

75 mm dia HDPE Pipe

90 mm dia HDPE Pipe

110 mm dia HDPE Pipe

125 mm dia HDPE Pipe

140 mm dia HDPE Pipe

200 mm dia HDPE Pipe

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. etc., complete and as directed by TWAD Board officers.

Supply and delivery of the following sizes of GI pipes ( Medium class) confirming to the IS and other specifications including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

65 mm GI Pipe

80 mm GI Pipe

100 mm GI Pipe

Supply and delivery of following sizes of GI Specials conforming to IS specifications at site of work inclusive of transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers.

65 mm GI Coupling

80 mm GI Coupling

100 mm GI Coupling

Supplying and delivery of the following sizes of HDPE Pipes - PE 100 - PN6 , PN 8 & PN 10 confirming to IS:4984/2016 and other specifications in standard lengths including transportation charges any where in Tamilnadu etc., complete and as directed by TWAD Board officers

63 mm dia HDPE Pipe PN 6

75 mm dia HDPE Pipe PN 6

90 mm dia HDPE Pipe PN 6

110 mm dia HDPE Pipe PN 6

110 mm dia HDPE Pipe PN 8

125 mm dia HDPE Pipe PN 6

140 mm dia HDPE Pipe PN 6

140 mm dia HDPE Pipe PN 8

140 mm dia HDPE Pipe PN 10

200 mm dia HDPE Pipe PN 6

200 mm dia HDPE Pipe PN 8

200 mm dia HDPE Pipe PN 10

Supply and delivery of HDPE specials of confirming to IS specifications at site of work inclusive of transportation charges anywhere in Tamil Nadu and as directed by TWAD Board officers.

63 mm dia HDPE Coupler (PN 6)

75 mm dia HDPE Coupler (PN 6)

90 mm dia HDPE Coupler (PN 6)

110 mm dia HDPE Coupler (PN 6)

110 mm dia HDPE Coupler (PN 8)

125 mm dia HDPE Coupler (PN 6)

140 mm dia HDPE Coupler (PN 6)

140 mm dia HDPE Coupler (PN 8)

140 mm dia HDPE Coupler (PN 10)

200 mm dia HDPE Coupler (PN 6)

200 mm dia HDPE Coupler (PN 8)

200 mm dia HDPE Coupler (PN 10)

Supply and Delivery of MS bare pipes of the following dimensions as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes including transportation charges in any where in Tamilnadu etc., complete and as directed by TWAD Board officers

711 mm x 7.1 mm Dia and thick MS Pipe

508 mm x 5 mm Dia and thick MS Pipe

323.9 x 4.5 mm Dia and thick MS Pipe

200 mm MS Pipes

125 mm MS Pipes

Supply and delivery of the following sizes of DI K7 S/S Pipes confirming to IS 8329/2000 and other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transit, insurance charges, etc., complete and as directed by TWAD Board officers.

500mm DI K7 Class

450mm DI K7 Class

350mm DI K7 Class

300mm DI K7 Class

250mm DI K7 Class

200mm DI K7 Class

150mm DI K7Class

100mm DI K7 Class

Supply and delivery of the following sizes of CID joints confirming to IS 8794/1988 and other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transit, insurance charges, etc., complete and as directed by TWAD Board officers.

500mm DI K7 Class

450mm DI K7 Pipe

350mm DI K7 Pipe

300mm DI K7 Pipe

250mm DI K7 Pipe

200mm DI K7 Pipe

150mm DI K7 Pipe

100mm DI K7 Pipe

300mm DI K9 Pipe

250mm DI K9 Pipe

200mm DI K9 Pipe

Supply and delivery of the following sizes of DI K9 S/S Pipes confirming to IS 8329/2000 and other specifications as amended from time to time with ISI marking as specified in ISI and having the required working pressure and delivery at site of work including loading, unloading, freight, stacking and transit, insurance charges, etc., complete and as directed by TWAD Board officers.

300mm DI K9 Pipe

250mm DI K9 Pipe

200mm DI K9 Pipe

Earth work excavation and depositing on bank in hard stiff clay, stiff black cotton soil, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., for leak rectification works for the following sizes of Pipes with standard trench width and depth etc., complete and as directed by the TWAD Board officers.

GI Pipes of various sizes

HDPE Pipes of various sizes

MS Pipes of various sizes

DI Pipes of various sizes

Jointing the M.S. Pipes and specials with welded joints with the required no of run internally and externally including gauging including cost of welding rods LPG & O2Gas and hire charges for welding machine , cutting machine, power generators , crane and other required tools and plants and labour charges for fixing apputenances and other accessories where ever necessary in connection with pipe laying works and completing the work if all respects as per specification and as directed by TWAD Board officers.

711 mm x 7.1 mm Dia and thick MS Pipe