Repairing and rewinding of 4 nos 25 H.P Submersible Motor - Pump set of different make under Katwa (A-I) Sub-Division

(b) 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 the E.I.C.(v) 25 H.P. Submersible Motor.

Rewinding of different H.P 3 phase, 410 440 volts, 50 Hz, 2 / 4 poles submersible motor of different make with PVC insulated copper winding wire (l mm to 2mm nom. dia.) as per IS 8783, 1995,part Sec1 (FINOLEX, IINCASE make 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.I.C. (e) 25 H.P 3 Phase, 410•440 volts, 50 Hz, 2 pole, 37 amps submersible Motor(i) Supply of PVC insulated copper winding wire conforming IS8783, 1995, part 4/ Sec 1 (1.8 mm nom. dia}, Length of copper winding wire - max. 450 mts.

(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.

Carriage of motor from store to workshop and back to store after repair. This item is only applicable when written permission is available from E.I.C. where there is no facility for such work in the sub- division

Painting two coats of both inner & outer portion with best quality synthetic enamel paint (to be approved before use)including smoothing surface by sand paper for removing old paint as per direction of E.I.C.(a) Motor

Painting two coats of both inner & outer portion with best quality synthetic enamel paint (to be approved before use)including smoothing surface by sand paper for removing old paint as per direction of E.I.C.(b) Pump

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

(c) Supplying, fitting and fixing the bush bearing for motor in place of damaged as per approval and direction of the Engineer- in-charge.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 compound/Vulcanized rubber tape so that proper water proof insulation is assured.

(i) Supplying, fitting and fixing S.S. slip of rotor shaft including removing out of the old one as per direction of the E.I.C.

(j) Supplying, fitting and fixing feroasbestos lining on the thrust plate as per direction of the E.I.C.

(k) Supplying fitting and fixing axial thrust plate of motor shaft including supplying of key etc. all complete as per direction of Engineer-In-charge.ii) 22.5 H. P. and above.

I) Supplying, fitting and fixing pivot segment steel balls on the thrust bearing housing as per direction of the E.I.C. ( 6 nos. in one set with rubber guarder/Circlip etc.)iii) above 20 H.P.

(m) Supplying, fitting and fixing of (thrust bearing segment) Pivot segments (Set of 6) made from phosphorus bronze as per sample and as per direction of E.I.C.ii) 17.5 H.P. and above

(n) Supplying, fitting and fixing the self aligning thrust plate of the motor shaft including supplying of key etc. All complete as per direction of E.I.C.

(0) Re-assembling the submersible motor after completion of rewinding and repainting and allied work with the repaired 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.

Labour charge for checking up the dynamic balance of the motor shaft for original alignment as per direction of Engineer-in-Charge.

(a) Dismantling Submersible pump I Bowl assembly suitable for a capacity of 30 I 150 I 200 Cum per hour capacity against a total head of 15 mtrs to 30mtrs 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) 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.

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

(c) Supplying, fitting and fixing stainless steel shaft as per sample and approval of the Engineer-in-Chal"ge.

(d) Supplying, fitting and fixing G.M. sleeve to be fitted in the bowl bush/body bush suitable for specified R.P.M.

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

(g) Supplying, fitting and fixing steel sleeves with 2 Nos. S.S. Nut as per site and sample (two nos.).

(h) Supplying, fitting and fixing ceramic filter with circlip and rubber guarder I(original of a particular make of pump)

(i) Supplying, fitting and fixing Impeller seal ring made of phosphorous.

(j) Supplying, fitting and fixing sand guard made of Gun Metal as per direction of the 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. (Note: In case of PVC insulated copper wire to arrive at net burnt weight 10% deduction will be made)@Rs.351.00/Kg

Add GST @ 18%

Add cess @ 1%

Please Enable Macros to View BoQ information