Repairing and Rewinding of 15 HP (10 nos.) Burnt Motor Pump set under Suri (A-I) Sub-Division

Dismantling of different H.P 2800/2900/3000 RPM submersible motors, removing old burnt out coil from slots carefully, segregating all the parts, washing and cleaning the same thoroughly for verification of serviceable and unserviceable parts as per direction of E.I.C. 20 HP Submersible motor

Rewinding of different H.P 3 phase, 410-440 volts, 50 Hz, 2 1 4 poles submersible motor of different make with PVC insulated copper winding wire (lmm to 2mm nom. dia.) as per IS 8783, 1995,part 4 Sec1 (FINOLEXIINCASEmake to be approved before use) as provided by the motor manufacturer including supplying fitting and fixing fire proof fibre chips on slots for keeping winding wires in position, taped by using water proof tape of 660 volts grade with main cable and fitted with water tight compound by using steel grip tape and vulcanised rubber tape by heating, changing thrust plate, ball retainer and ball including supplying fitting, fixing rings circlips for thrust plate, water seal ring, diaphragm, bush bearing etc. complete as per direction of E,LC 20 HP3 Phase,410-440 volts, 50 Hz, 2 pole, 26 amps 30 amps submersible Motor Supply of PVCinsulated copper winding wire conforming IS8783, 1995, part 4/ Sec1. length of copper winding wire - max, 450 mts. 1.60 mm

(ii) Labour charge for rewinding, water proofing, fitting and fixing fire proof fibre chips on slots for keeping winding wires in position, taped by using water proof tape of 660 volts grade with main cable and fitted with tight compound by using steel grip tape and vulcanised rubber tape by heating as per direction of E.I.C.

(a) Repairing of damaged motor shaft by metaling with electric welding and turning properly to house in the bearing space and coupling side teeth and also rectifying the dynamic balance of the rotor to its original alignment to avoid any vibration all complete as per direction of the E.I.C.

( b) Supplying, fitting and fixing the winding protector on both sides (Top and Bottom)

(c) Supplying, fitting and fixing the bush bearing for motor in place of damaged as per approval and direction of the Engineer-in-charge. 20 HP & above i) Top for Motor.

ii) Bottom for Motor

(d) Supplying, fitting and fixing drain plug made from brass metal with gasket and washer (one for drain plug one for water filling plug and one for verting plug)

(e) Supplying, fitting and fixing stud bolt with nuts for top and bottom cover

(f) Supplying, fitting and fixing stud bolt with nuts and washer for upper flange as per sample

(h) Joining water proof cable with the leads of the motor including soldering with requisite water proof insulation and proper joining compoundNulcanized rubber tape so that proper water proof insulation is assured.

(o) Re-assembling the submersible motor after completion of rewinding and repainting and allied work with the repaid spares parts or new spares where necessary (to be supplied departmentally on requisition) including checking of all accessories and supplying necessary screws nuts and fitting fixing the whole thing properly as per direction the E.I.C.

(a) Painting 2 (two) coats of both inner and outer portion of submerssible pump with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering after removal of old paint as per direction of Engineer-in-Charge motor

Testing of repaired motor by contious 8 hrs running on load as per direction of E.I.C

(a) Dismantling Submersible pump / Bowl assembly suitable for a capacity of 30 / 150 / 200 Cum per hour capacity against a total head of 15 mtrs to 30 mtrs of different make and segregating all spares fitted with the pump including washing and cleaning the same thoroughly for verification of servicable and unservicable spares as per direction of the Engineer-in-Charge.

(a) Repairing of stage bowl and other spares when necessary by welding, turning and rethreading including supplying and fitting, fixing new studs nuts, washers, impeller key, coupling key with lock nut complete as per direction of Engineer-in-Charge

Repairing impeller by metallic gas/electric welding with gunmetal stick & turning, fitting, fixing in proper position as per direction of Engineer-in-Charge.

Supplying, fitting and fixing the body (Bowl) Bush (Suitable for specified R.P.M. of pump (Motor set) as per direction of the Engineer-in-Charge. (two nos).

Supplying, fitting and fixing stainless steel pump coupling as per sample.

Supplying, fitting and fixing Impeller seal ring made of phosphorous

Supplying, fitting and fixing sand guard made of Gun Metal as per direction of the Engineer-in-Charge.

Charges for repairing continuity test, insulation test by Megger, no load test as per directioin of Engineer-in-Charge.

Labour charges for re-assembling the submerssible pump after completion of repairing spare etc. and allied works with repaired spares or new spares when necessary to be supplied departmentally which are not provided in schedule including screws, nuts, lubricating materials etc. as required as per direction of Engineer-in-Charge. [N.B-Deduction towards dismantled burnt enamelled copper wire from induction motor on the basis of actual measurement to be retained by the agency 60Kg @ Rs,351.00/Kg]

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Add Cess @ 1%

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