MAINTENCE AND OPERATION OF PUMP HOUSE NO 5 6 8 AND 10 INCLUDING SUPPLY OF CHEMICALS AND PERIODICAL CLEANING OF ALL TYPE OF TANKS AND ALLIED WORKS UNDER GE AF JORHAT

Amount

Maintenance & Operation of services for water supply pumping Installation at Pump House No - 5, 6, 8 & 10, round the clock in three shifts (each shift of 8 hours) in every pump house separately having installed electric driven Centrifugal Pump Set coupled with 20 HP 3 phase electric motor,IR plant, DG Set, Chloronome dozing plant, Water reservoirs, power panels, Sluice valve,Gate valve, Non return valve , by deployment of one skilled operating staff (FGM) for each shift including routine/preventive maintenance of complete installation, cleaning of surrounding of installation, building and minor repair of leakage by providing gland packing, replacement of flange gasket and maintenance of control panel of DG Set/ Pumping set including replacement rewireable fuses, tightening loose connections etc. contractor will employ one skilled manpower (ITI qualified) of desired trade per shift all as specified in schedule notes here in after complete all as specified and directed by Engr-in-Charge. The cost of following routine/preventive maesures of above eqipment/plant are deemed to be included in the unit rates qouted against this item :-

(A). Pumping Set (i) Timely Bearing lubrication/greasing. (ii) Arresting leakage on pump set & control valve inluding replacement of gland packing if necessary. (iii) Regular checking of coupling bolts, nuts etc. (iv) Checking of Electric control panel such as tightening of electric connection etc. (v) Maintenance of daily log sheet (vi) Cleaning of plants/equipment and plant room

(B) Filteration Plant/chorination/sedimentation Tank & Reservoir (i) Maintenance of control valve, replacement of gland packing & providing greasing as and when required. (ii) Routine back wash of pressure filter as & when required. (iii) Checking proper dose of cholorination and maintening daily record. (iv) Recording of test results, Chlorine test kit and testing solution should be brought by the contractor and kept in the Pump House. (v) Proper maintenance of running/ maintenance records as directed by Engr-in-Charge. (vi) Labour only for Mixing/ dozing of Alum ferric, Alum Crystal, chlorination chemical and lime in water as directed by Engr-in-Charge. (vii) Cleaning of bleaching doser, Alum pot, Lime pot and connected accessories. (viii) Repair/replacement of gasket joint of filters & welding to MS pipe to arrest leakages.

(C) DG Set (i) Checking of oil level of Diesel Engine & topup if low. (ii) Checking of water/coolent level of the rediator of the DG set & topup if low. (iii) Checking of Electrolyte in the Battery, Battery terminals & topup if low including providing petroliumjelly/grease as and when required. (iv)Checking battery charging with the existing battery charger/ alternator of DG Set. (v) Checking carbon brushes of alternator including electric connection and out put voltage. (vi) Maintenance/filing of daily log sheet NOTE:- 1. Rate quoted for above item is included cleanning , cutting grass, bushes in the permises of Pump House. The height of grass/bushes not more than 1" at any time. 2. DHPP & Chlorination chemical (calcium hypochlorite) shall be issued by the department for free-for-mixing/dozing under Sch "B" store. 3. Rate quoted for above item is included cleanning , cutting grass, bushes in the permises of Pump House. The height of grass/bushes not more than 1" at any time.

EPF (Employer's contribution)

ESIC contribution

Bonus

Overheads and Profits (on Srl No 1.00, 1.10 to 1.30)

LWC (on Srl No 1.00, 1.10 to 1.40)

The contractor shall quote the basic labour rate under srl item No 1 above and quote the rates to cater for the elements of EPF, ESIC, LWC, Bonus and overheads & profits separately under Srl Items No 1.10 to 1.50 above. Rates so quoted shall be inclusive of all taxes,cess,levies etc including GST

Supply of Alum Ferric (AL²O³ of 15% to 16% concentration) with water in proportionate way for acheiving proper sedimentation of water at all time at Pump Houses as directed by competent authority for better sedimentation process at above installations (i.e. Pump house No 5,6, 8 & 10), complete all as specifed & as directed by Engineer-in-charge. Make : - ACURO ORGANIC LTD/MARUDHAR ALUMS CHEMICALS PVT LTD or as approved by E in C Branch. (Note- The charges of dozing/ mixing of chemicals are deemed to included against Ser Item No 1 of BOQ).

Supply of Alum Crystal of approved quality with water in proportionate way for acheiving proper sedimentation of water at all time at Pump Houses as directed by competent authority for better sedimentation process at above installations (i.e. Pump house No 5,6, 8 & 10), complete all as specifed & as directed by Engineer-in-charge. Make : - ACURO ORGANIC LTD/MARUDHAR ALUMS CHEMICALS PVT LTD or as approved by E in C Branch. (Note- The charges of dozing/ mixing of chemicals are deemed to included against Ser Item No 1 of BOQ).

Supply of Unslaked Lime ( Ca[OH]²) in poly bag container of 9 KG of approved quality with water in proportionate way for acheiving proper sedimentation of water at all time at Pump Houses as directed by competent authority for better Purification/ sedimentation process at above installations (i.e. Pump house No 5,6, 8 & 10), complete all as specifed & as directed by Engineer-in-charge. (Note- The charges of dozing/ mixing of chemicals are deemed to included against Ser Item No 1 of BOQ).

Supply of Bleaching Powder of approved quality for cleaning/ washing the Surfaces of sedimentation tank, Floor area of pump Room , areation towers of PH No 5, 6, 8 & 10 during decaning/ refilling of fresh water in interval as directed by Engr In charge for better Cleanness of Tanks / Floor surfaces of pump room & Areation tower or indicated places complete all as directed & specified. Make :- SHRI RAM CHEMICAL / ADITYA BIRLA CHEMICAL OR AS APPROVED BY E IN C BRANCH. (Note- The charges of dozing/ mixing of chemicals are deemed to included against Ser Item No 1 of BOQ).

Notes :- 1. Material to be supplied against Ser No 2 to 6 above will be delivered at AGE E/M-II Store yard in sealed/intact packing. The same shall be accounted for under receipt voucher and shall be issued from time to time under Schedule ' B' for use (Transportation will be borne by the contractor from AGE E/M-II Store yard to Pump Houses). 2. Contractor must maintain the register for deposite/draw detail of chemicals duly signed by Contractor,JE E/M and Engr-in-Charge. RV/USR shall be entered in MB for accounting material.

Cleaning RCC GROUND SEDIMENTATION TANK 50000/40000 GALLON Capacity, Open Type, located at PUMP HOUSE No. 5, 6, 8 & 10 by decanting with water, scraping internal surface and bottom of the tank with mild steel scrubbers/brush, rubbing down scale, dirt, sludge, etc, washing with clean water taking out and removing mud, dirts, silts, sand, iron deposits/sludge, etc. from inside of the tank and depositing at a distance not exc. 50.0 METRE away from the tank, washing inner surfaces with using Lime and Bleaching Powder and removing the same until clean surface is obtained including cutting of bushes, plants, etc., cleaning of drains, surrounding area up to 3.0 METRE, complete all as specifed & as directed by Engineer-in-charge.

All as per serial item no. 6 here-in-before but for RCC CLEAR WATER UNDERGROUND SUMP, 40000 GALLON Capacity, Covered Type, located at PUMP HOUSE No. 10.

All as per serial item no. 6 here-in-before but for PS CLEAR WATER GROUND TANK, 40000 GALLON Capacity, Open type, located at PUMP HOUSE No. 6 & 8.

All as per Item No. 6 here-in-before but RCC CLEAR WATER TANK, 15000 GALLON Capacity, Open Type, located at PUMP HOUSE No. 5 .

All as per Item No. 6 here-in-before but RCC ground clear water tank 7500 GALLON Capacity, Open Type, located at PUMP HOUSE No.5.

Cleaning RCC OVER HEAD TANK 35000 GALLON Capacity at 12.00 METRE high Stagging, located at PUMP HOUSE No. 8 by decanting Water, Cleaning of Internal Surface and Bottom of the Tank by scraping with Mild Steel Scrubbers/Brush, Rubbing down Scale, Dirt, Sludge, etc., Washing with Clean Water, Taking out and removing Mud, Dirts, Silts, Sand, Iron Deposits/Sludge, etc. from inside of the Tank and depositing at a distance not exc. 50.0 METRE away from the Tank, Washing Inner Surfaces with using Lime and Bleaching Powder and removing the same until clear water is obtained including Cutting of Bushes, Plants, etc., Cleaning of Drains, surrounding Area, complete all as specified and as directed.

Cleaning RCC OVER HEAD TANK 25000 GALLON Capacity at 12.00 METRE high Stagging, located at PUMP HOUSE No. 6 & 5 by decanting Water, Cleaning of Internal Surface and Bottom of the Tank by scraping with Mild Steel Scrubbers/Brush, Rubbing down Scale, Dirt, Sludge, etc., Washing with Clean Water, Taking out and removing Mud, Dirts, Silts, Sand, Iron Deposits/Sludge, etc. from inside of the Tank and depositing at a distance not exc. 50.0 METRE away from the Tank, Washing Inner Surfaces with using Lime and Bleaching Powder and removing the same until clear water is obtained including Cutting of Bushes, Plants, etc., Cleaning of Drains, surrounding Area, complete all as specified and as directed.

Cleaning RCC OVER HEAD TANK 100000 GALLON Capacity at 12.00 METRE high Stagging, located at PUMP HOUSE No. 10 by decanting Water, Cleaning of Internal Surface and Bottom of the Tank by scraping with Mild Steel Scrubbers/Brush, Rubbing down Scale, Dirt, Sludge, etc., Washing with Clean Water, Taking out and removing Mud, Dirts, Silts, Sand, Iron Deposits/Sludge, etc. from inside of the Tank and depositing at a distance not exc. 50.0 METRE away from the Tank, Washing Inner Surfaces with using Lime and Bleaching Powder and removing the same until clear water is obtained including Cutting of Bushes, Plants, etc., Cleaning of Drains, surrounding Area, complete all as specified and as directed.

Cleaning PS OVER HEAD TANK 9600 GALLON Capacity at 12.00 METRE high Stagging, located at PUMP HOUSE No. 8 by decanting Water, Cleaning of Internal Surface and Bottom of the Tank by scraping with Mild Steel Scrubbers/Brush, Rubbing down Scale, Dirt, Sludge, etc., Washing with Clean Water, Taking out and removing Mud, Dirts, Silts, Sand, Iron Deposits/Sludge, etc. from inside of the Tank and depositing at a distance not exc. 50.0 METRE away from the Tank, Washing Inner Surfaces with using Lime and Bleaching Powder and removing the same until clear water is obtained including Cutting of Bushes, Plants, etc., Cleaning of Drains, surrounding Area, complete all as specified and as directed.

Preparing Internal Surfaces of RCC CLEAR WATER UNDER GROUND SUMP, 40000 GALLON Capacity, Closed Type, located at PUMP HOUSE No 10., and applying One coat of Black Bituminous Paint (suitable for Drinking Water) on RCC tank surfaces including applying one coat of paint as per existing Colour on all Steel Surfaces of Ladder, Railing, etc, or on the Aeration Tower,s pipes , Pipe Steel Structure, CI Structure such as Wash Out, Over Flow Pipe, Inlet Pipe, Outlet Pipe, etc. including Arrow marking on Pumping/Supply/overflow line AND letter writing by using white paint on Black paint by showing CAPACITY :, CLEANED ON:,DUE ON: on ordered location etc. complete all as specified and as directed.

Preparing Internal & External Surfaces PS CLEAR WATER GROUND TANK 40000 GALLON Capacity, Open Type located at PUMP HOUSE No. 6 and 8, and applying One coat of Black Bituminous Paint (suitable for Drinking Water) on steel tank surfaces including applying two coat of paint as per existing Colour on all Steel Surfaces of Ladder, Railing, etc, or on the Aeration Tower,s pipes , Pipe Steel Structure, CI Structure such as Wash Out, Over Flow Pipe, Inlet Pipe, Outlet Pipe, etc. including Arrow marking on Pumping/Supply/overflow line AND letter writing by using white paint on Black paint by showing CAPACITY :, CLEANED ON:,DUE ON: on ordered location etc. complete all as specified and as directed.

Taking down carefully electric driven centrifugal pump set 20/15 HP capacity including MS channels frame from foundation after disconnecting GI pipes/main electric supply from motor starter panel and keeping the MS channel frame at site for repairs/painting and carrying the pump set to nearest repairing workshop including bringing back after repair work complete all as directed by Engr-in-charge.

Dismantling carefully centrifugal pump set 20/15/12.5 HP capacity and taking out all serviceable and unserviceable parts and cleaning/removing all dust particles such as mould and moss etc re-assembling the same after greasing the ball bearing including necessary gaskets etc and replacement of underviceable parts. Note :- Materials required for replacement will be measured and paid separately under respective items.

Supply only the following spare parts of centrifugal pump set type DESM2E, DB 50/20 pump set of various capacity complete all as specified and as directed:-

Pump shaft with impeller key and nuts suitable for 20HP capacity type - DESM 2E Make :- KIRLOSKAR or equivalent make as approved

Cast iron impeller for 20 HP capacity pump type - DSM 2E as per sample.

Ball Bearing No. 6305 Make : TATA/SKF/NBC

Bearing Cover DE/NDE

Shaft sleeve DE/NDE

Ball Bearing No. 6306 Make : TATA/SKF/NBC

GM Bushing

Fan blade (PVC) as per sample

CI coupling set for centrifugal pump set including key lock and stud etc (as per sample).

Coupling PVC Bush

Pump shaft S/S (DB 50/20) 20 HP capacity

Gun metal impeller (DB 50/20) 20 HP capacity

Ball Bearing No. 6312 Make : TATA/SKF/NBC

Casing cover

Ball Bearing No. 6212 Make : TATA/SKF/NBC

Liquid deflector

Dismantling carefully centrifugal motor 20HP/15HP capacity and taking out the burnt/worn coils from the slots of stator and other accessories such as ball bearing and rottor and cleaning the stator slots and rewinding the same with new supper enamelled copper winding with appropriate gauge, heating, varnishing with doctor beck's insulating varnish and re-assembling the same and testing comissioning, complete all as per specified and as directed by Engineer-in-charge.

Labour only for lifting/lowering of unserviceable 12.5 to 15 HP capacity submersible pump sets from tubewell after disconnecting the electric supply and taking out all coloumn pipes flanged/socket type 80 mm size 18.15 RM long keeping serviceable fittings in safe custody for reuse/removing unserviceable materials from site/ making good disturbed surfaces and carrying submersible pump set to nearest repairing workshop including bring back after repair/replacement and lowering the same after replacement unserviceable spare parts such as cloumn pipes flanged type 80mm dia and fixing with rubber gasket/nuts/bolts/washers of suitable size etc. including connection of electric supply to motor, testing/commissioning etc., complete all as per specified and as directed by Engineer-in-charge. Note. : Replacement of Column pipes shall be measured and paid seperately.

Dismantling carefully submersible motor 12.5 HP capacity and taking out the burnt/worn coils from the slots of stator and other accessories such as ball bearing/bushing and rotor etc. including necessay cutting/grinding/drilling/machining works for fixing of spare parts and cleaning the stator slots and rewinding the same with new supper enamelled copper winding wire with appropriate gauge, heating, varnishing with doctor beck's insulating varnish and re-assembling the same testing, complete all as per specified and as directed by Engineer-in-charge.

Dismentling carefully submersible pump to 12.5 to 15 HP capacity and taking out all serviceable/unserviceable parts and cleaning/removing all mould/ moss/ foreign material scale and dirt etc. Re-assembling the same after greasing the ball bearing including necessary gaskets and replacement of unserviceable spare parts, complete all as per specified and as directed by Engineer-in-charge. Note :- Materials required for replacement will be measured and paid separately under respective items.

Supply only Pump shaft suitable for submersible pump any type 6 to 8 stages 12.5/15 HP capacity. (as per sample)

Supply only Gun metal impeller Make- Calama

Supply only Impeller bushing , Make- Calama

Supply only Stage casing suitable for submersible pump 12.5/15 HP cap.

Supply only Carbon thrust bearing with pressure plate

Supply only Thrust bearing housing

Comprehensive Maintenance of Air blower assy by Cleaning the whole body & Air filter assembly, Oiling, Greasing,Tightening of all nut bolts if required, Minor repairing to Blower Pump and Electric Motor including replace-ment of Spare Parts like V Belt, Pully & 1" dia NRV,s if required of any type etc. complete all as specified and as directed.

Comprehensive Maintenance of Air Compressor assy by Cleaning the whole body & Air tank, Oiling, Greasing,Tightening of all nut bolts if required, Minor repairing to Compressor Pump and Electric Motor including replace-ment of Spare Parts like V Belt /NRV,s of any size, Pully if required of any type etc. including repleacement of old oilSAE-90 and oter spares, complete all as specified and as directed.

Taking out unserviceable/burnt relay, supply & fixing Bimetal overload relay, relay range 20-32 Amps/ 28-42 Amps, 415 volt,3 phase suitable for star delta starter in the LT Panel board with suitable size of copper wire complete all as directed & specified , Make:L&T Cat No. SS91859OOFO, SIEMENS or Equivalent.

Taking out unserviceable/burnt contactor including electrical connection,supply & fixing power contactor ML 2 type 415 volt,3 phase suitable for star delta starter in the LT Panel board with suitable size of copper wire complete all as directed & specified , Make:L&T Cat No SS90701, SIEMENS or Equivalent.

Taking out unserviceable/burnt contactor, supply & fixing power contactor ML 3 type 415 volt,3 phase suitable for star delta starter in the LT Panel board with suitable size of copper wire complete all as directed & specified , Make:L&T Cat No SS90721, SIEMENS or Equivalent

Supply,fixing, installing, commissioning and testing in replacement of boosting monoblock pump set 1 HP ,self priming type, 20/25 mm delivery and suction, single phase, 240 volt, 50 Hz having discharge 12.5 LPM at 20 Mtr head fixed on PCC foundation including necessary cable connection compete all as specified and as directed by Engr-in-Charge.

Taking out unserviceable/defective push button unit,supply & fixing push button unit for Star delta starter complete all as directed.Make:L&T Cat No-SS90004, SIEMENS or Equivalent.

Taking out unserviceable/brunt FASD starter including 3 phase electrical connection,supply & fixing fully automatic star delta starter (13-21 Amps Relay Range) suitable for submersible pump sets up to 15 HP , 415 volt,3 phase in the LT Panel board with suitable size of copper lugs/wire complete all as directed & specified , Make:L&T Cat No MU-G20 SS95984, SIEMENS, Bhartia Cutler Hammer or Equivalent .

Taking out unserviceable/brunt FASD starter including electrical connection,supply & fixing fully automatic star delta starter (13-21 Amps Relay Range) suitable for centrifugal pump Upto 20 HP, 415 volt,3 phase in the LT Panel board with suitable size of copper lugs/wire complete all as directed & specified , Make:L&T Cat No ML1.5 FASD SS91855, SIEMENS, Bhartia Cutler Hammer or Equivalent .

Supply only of Calcium based High strength calcium HypoChlorite Granular type Chlorination chemical(chlorine contents not less than 65% ) disinfectant for water treatment. packed in 45 Kgs sealed drums. Make : Sree Rayalaseema/Acuro Organic Ltd or as approved by E in C Branch. Note:- The contract sum shall be calculated by deducting the amount shown in Credit Schedule attached to this tender, from total amount of Schedule 'A'/BOQ.

THE SUPPLY AGENCY

Bidder Name

THE SUPPLY AGENCY

RAJIB AND CO