REPAIR / REPLACEMENT OF PUMP SETS AND ALLIED WATER SUPPLY WORKS UNDER GE (AF) HASIMARA

Amount

SCHEDULE 'A' PART-I Disconnecting all electric and water supply connections and other related items and lifting the unserviceable VT/ Submersible pump and motor of capacity upto 20 HP, 3 phase, 415 V, 10 staging by mechanical/manual method and dismantling the column pipe line, shafts stage and keeping the same in safe custody for reuse including transportation of the defective pump set and motor from pump house to workshop for repair and back and lowering and re-installation the same on exisisting position after necessary repair including testing on completion all as directed by the Engr-in-Charge.

Dismantling the unserviceable parts and burnt out copper winding from pump and motor of capacity from 12.5 HP upto 20 HP, 3 phase, 415V, 10 staging and rewinding the motor with supper enamelled copper wire of suitable gauge including heating, varnishing, replacement of defective spare parts, re-assembling and painting the motor with two coats of supper enamelled paint and carrying out necessary tests in presence of the Engineer-in-Charge as per IE Rule to establish functional ability/desired performance of the repaired motor to the entire satisfaction of Engineer-in-Charge and test result kept on office record duly signed by the Engineer-in-charge and contractor. (Note:- (a) Spare / parts shall be measured & paid seperately as Supply only (2) Labour charge for fixing parts shall deemed to be included in the unit rate.)

Taking down the unserviceable parts from the pump and motor of capacity from 12.5 HP upto 20 HP, 3 phase, 415 V including over hauling, servicing/cleaning throughly discharge/ suction cases, impellers, shaft and re-assembling pump carefully including servicing the motor by varnishing, insulating the motor winding , cleaning and painting the parts with two coats water proofing supper enamelled paint after preperation of surfaces manualy including repair/replacement of unservicable parts as required at site etc and re-assembling/re-installing the pump complete all as specified and directed. (Note:- (a) Spare / parts shall be measured & paid seperately as Supply only (2) Labour charge for fixing parts shall deemed to be included in the unit rate.)

M & L for Machine work to the worn out portion of motor rotor shaft of motor from 12.5 HP upto 20 HP capacity including metalling, cutting, polishing and checking the accuracy on the lath machine, complete all as directed by Engr-in-charge.

M & L for Machine work to the worn out portion of thrust bearing of motor from 12.5 HP upto 20 HP capacity including metalling, cutting, polishing and checking the accuracy on the lath machine, complete all as directed by Engr-in-charge.

M & L for Machine work to the worn out portion of submersible pump shaft of capacity above 12.5 HP upto 20 HP capacity including metalling, cutting, polishing and checking the accuracy on the lath machine complete all as directed by Engr-in-charge.

M & L for Machine work to the worn out portion of gun metal impeller submersible pump of capacity upto 20 HP capacity including metalling, cutting, polishing and checking the accuracy on the lath machine complete all as directed by Engr-in-charge.

Cutting the worn out portion of the existing column pipe of size upto 100 mm bore and threading the same thread on the same pipe by machanically complete all as directed by Engr-in-charge.

S & F mild steel column pipe, 100 mm bore, heavy duty, having wall thickness 5.4mm (3.0m/1.524m long) both end threaded with one socket conforming to IS-1239 (part-I), 1979 including painting with two coats of black bitumenous paint over a coat of red oxide zinc chrome primer internally and externally (suitable for drinking purpose) including taking out old unserviceable pipe, complete all as specified and directed. (Make : Jindal/Bansal)

S & F mild steel column pipe, 80 mm bore, heavy duty, having wall thickness 4.8mm (3.0m long) both end threaded with one socket conforming to IS-1239 (part-I), 1979 including painting with two coats of black bitumenous paint over a coat of red oxide zinc chrome primer internally and externally (suitable for drinking purpose) including taking out old unserviceable pipe complete all as specified and directed. (Make : Jindal/Bansal)

Supply and fix PVC insulated, sheathed, flat stranded copper conductor of 10 Sqmm, 3 core, water proof submersible cable and fixed in submersible pump to starter complete all as specified and directed.

M & L for cleaining and descaling the column pipe of 100mm bore by wire brush including painting the internal and external surface of column pipe with two coats of black bituminious paint over a coat of red oxide primer (suitable for drinking water) after preperation of old painted surfaces complete all as specified and directed.

All as per serial item No. 12 above but for 80mm bore column pipe complete all as specified and directed.

Dismantling the unserviceable parts and burnt out copper winding from motor of capacity 3 HP, 3 phase, 415V, and rewinding the motor with supper enamelled copper wire of suitable gauge including heating, varnishing, replacement of defective spare parts, re-assembling and painting the motor with two coats of supper enamelled paint and carrying out necessary tests in presence of the Engineer-in-Charge as per IE Rule to establish functional ability/desired performance of the repaired motor to the entire satisfaction of Engineer-in-Charge and test result kept on office record duly signed by the Engineer-in-charge and contractor. (Note:- (a) New spare/parts as required for replacement of defective/ unserviceable one shall be measured and paid seperately as 'Supply only'.)

Supply only Ball bearing suitable for Centrifugal pump and motor of capacity 3 HP, 3 phase, 415V complete all as directed.

Supply only Cooling fan suitable for Centrifugal pump and motor of capacity 3 HP, 3 phase, 415V complete all as directed.

Supply only Fan cover suitable for Centrifugal pump and motor of capacity 3 HP, 3 phase, 415V complete all as directed.

Supply only Impeller suitable for Centrifugal pump and motor of capacity 3 HP, 3 phase, 415V complete all as directed.

Supply only Bush suitable for Centrifugal pump and motor of capacity 3 HP, 3 phase, 415V complete all as directed.

Supply only Shaft suitable for Centrifugal pump and motor of capacity 3 HP, 3 phase, 415V complete all as directed.

Supply only Coupling set suitable for Centrifugal pump and motor of capacity 3 HP, 3 phase, 415V complete all as directed.

Supply only Impeller casing suitable for Centrifugal pump and motor of capacity 3 HP, 3 phase, 415V complete all as directed.

Repair/maintenance of decrin dosing pump and dosing system by taking down the nserviceable parts from the pump and dosing system including over hauling, servicing/cleaning throughly and re-assembling pump carefully including servicing including repair/replacement of unservicable parts as required at site etc and re-assembling/re-installing the pump complete all as specified and directed. (Note:- (a) Spare / parts shall be measured & paid seperately as Supply only (2) Labour charges for fixing parts shall deemed to be included in the unit rate.)

Supply only Gear motor complete, 230V, 50Hz suitable for decrin dosing pump motor and dosing system complete all as directed.

Supply only Rotor assembly with bearing brackets and tolerance rings suitable for decrin dosing pump motor and dosing system complete all as directed.

Supply only Coil, 250V, 50Hz suitable for decrin dosing pump motor and dosing system complete all as directed.

Supply only Single head feed rate control with shaft suitable for decrin dosing pump motor and dosing system complete all as directed.

Supply only Pump Head (Ferrules 1/4 inch & duckbill) suitable for decrin dosing pump motor and dosing system complete all as directed.

Supply only Roller assembly suitable for decrin dosing pump motor and dosing system complete all as directed.

Supply only Pump tube suitable for decrin dosing pump motor and dosing system complete all as directed.

Supply only Injection chuck valve 3/8 inch suitable for decrin dosing pump motor and dosing system complete all as directed.

Supply only Weighted suction line strainer 3/8 inch suitable for decrin dosing pump motor and dosing system complete all as directed.

Supply only White suction/discharge tubing, 3/8 inch suitable for decrin dosing pump motor and dosing system complete all as directed.

Supply only Thrust bearing plate for carbon TB assembly suitable for submersible motor of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Bearing bush rubber for motor shaft suitable for submersible motor of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Motor shaft sleeves (Stainless steel) suitable for submersible motor of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only thrust bearing assembly carbon suitable for submersible motor of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Gun metal bush for motor shaft suitable for submersible motor of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Motor sand guard suitable for submersible motor of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only oil seal suitable for submersible motor of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Motor bearing housing suitable for submersible motor of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Copper end ring suitable for submersible motor of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Motor coupling key suitable for submersible motor of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Motor coupling suitable for submersible motor of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Pad for thrust bearing made out of carbon suitable for submersible motor of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Stud nut stainless steel suitable for submersible motor of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Circlip lock for motor suitable for submersible motor of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Gun metal bush for suction case suitable for submersible pump of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Gun metal bush for discharge case suitable for submersible pump of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Bearing sleeves stainless steel suitable for submersible pump of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Mild steel stud for bowl assembly suitable for submersible pump of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Neck ring gun metal suitable for submersible pump of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Gun metal bush for stage casing suitable for submersible pump of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Gun metal impeller suitable for submersible pump of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Key for impeller suitable for submersible pump of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Pump shaft stainless steel suitable for submersible pump of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Sand guard suitable for submersible pump of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Stage Casing bowl suitable for submersible pump of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Coupling with key for pump and motor suitable for submersible pump of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Pump non return valve, cast iron suitable for submersible pump of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Allen screw suitable for submersible pump of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Adjustable cap (Top cap) suitable for submersible pump of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply only Half coupling suitable for submersible pump of capacity upto 20 HP, 3 phase, 415V complete all as directed.

Supply , Lowering, Installation , commissioning & testing of electric driven Submersible pump set, 415 V, 3 phase, 20 HP suitable for existing bore well & required discharge with base plate, fixing arragement as per manufacturer's instructions and proper arrangement for vertical holding of column pipe and pumping set with and including necessary clamp, nuts, bolts, washers, reducers etc as required including removal of old unserviceable pump and deposited to MES store yard complete all as specified and directed . (Make:-Kirlosker/KSB/Crompton Greaves).( Note:- In case the pump-motor set specified as above does not suit for the desired yield of water in bore well, the capacity of the pump-motor set shall be redesigned subject to price adjustment)

M & L for cleaning and washing RCC overhead reservoir of capacity upto 50000 gallon at a height of 21m from the ground level, disconnecting the inlet and outlet valves, cleaning the tank by blocking the water supply system including removing sludge/scales/sedements etc from bed level and scrapping the floor and wall surfaces with wire brush and cleaning with potassium permangnate (KMNO4) solution at least three times to remove oily surfaces from internal floor and wall of the over head tank and finally cleaning with fresh water and applying cement wash on wall including re-fxing of inlet and outlet valves and normalizing the water supply by opening valves after allowing suffcient drying time, complete all as specified and as directed by the Engr-in-Charge. (Note: Quoted rate shall deem to be inclusive of cost of Potassium permangnate, scaffolding and disposal of sludge/scale/sediments upto a distance of n.exc 50m from work site as directed)

All as per serial item No. 66 above but for 75000 gallon capacity tank complete all as specified and as directed by the Engr-in-Charge.

All as per serial item No. 66 above but for 100000 gallon capacity tank complete all as specified and as directed by the Engr-in-Charge.

Material and labour for development of tube well by V-notch method or any other approved method at the site with air compressor of capacity 250PSI/1000 Cum and related accessories at leat 60 hours till water discharge is free from sand and potable water and to achieve maximum discharge capacity of 8000 LPH including carryout yield test with suitable pump for three consecutive days of uninterrupted 8 hours per day durations (for minimum dicharge capacity of 8000 LPH) after necessary development complete all as specified and directed. (Note: (i) Unit rate quoted under this items shall deemed to be inclusive of transportation of tools and equipments as required to the site of work and removing the same after completion of work (ii) Verticality test of the tube well structure shall be carried out and the cost of the same shall be deemed to be included in unit quoted rate)

S & F in repair direct on line starter in sheet steel enclosure, type MF suitable for motor output 2-3 HP, 415V, 50 Hz, 3 phase, relay range 12-20 Amps complete all as specified and directed. (Make: C & S/Siemen's/L&T/ABB or equivelant as per list of manufacturer)

S & F in repair fully automatic star delta starter, suitable for 20 HP submersible pump motor rating AC-3 duty, 415V, 50 Hz, 3 phase complete all as specified and directed. (Make: C & S/Siemen's/L&T/ABB or equivelant as per list of manufacturer)

S & F in repair fully automatic star delta starter, suitable for 12.5 HP submersible pump motor rating AC-3 duty, 415V, 50 Hz, 3 phase complete all as specified and directed. (Make: C & S/Siemen's/L&T/ABB or equivelant as per list of manufacturer)

S & F in repair fully automatic star delta starter, suitable for 30 HP submersible pump motor rating AC-3 duty, 415V, 50 Hz, 3 phase complete all as specified and directed. (Make: C & S/Siemen's/L&T/ABB or equivelant as per list of manufacturer)

M/S RATHIN ENTERPRISES

M/S BIJAY KUMAR SHIVA

SHRI D P AGARWAL

M/S ANIL KUMAR BAUL

M/S ASHOK ENTERPRISE

M/S BISHAL ENTERPRISES

M/S P K AGARWALA