EEWS/KMC/GRWW/26-27/38
Kolkata Municipal Corporation · Kolkata, West Bengal · Repair, Maintenance & AMC Services · open
Key facts
- EMD: ₹5K
- Published: 10 Oct 2026
- Closing date: 31 Oct 2026
- Status: open
- Status as of: 19 Oct 2026 00:10 UTC
- Department: Water Supply
- Office: GRWW
Description
Repairing and overhauling 20 HP motors used for a centrifugal pump (discharge 60 LPS, head 12 m) installed at the sludge pond under GRWW, including inspection, servicing, component repairs, refitting and testing.
Eligibility & requirements
- Startup relaxation: No
- MSE relaxation: No
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Commercial terms
- Bid type: Item Rate
- Make in India (MII): No
- MSE preference: No
Line items (11)
- 2 — Qty: 4 5
- PRELIMINARY CHECKING OF THE WHOLE MOTOR (LT SQ. CAGE IM) AND TESTING OF I.R. VALUE, LOAD CURRENTS, LEAKAGE FACTOR OF STATOR & ROTOR, TERMINAL LEAD JOINTS OF STATOR CONNECTION ENDS, INSULATION OF GLASS FIBRE TERMINAL BAR, DOUBLE CAGE ROTOR END RINGS AND ALL OF MOTOR BARS AND BAR JOINTS, HOUSING OF D.E. & NDE SHIELD BEARING HOUSING ETC. BEFORE WORK TO DETECT FAULT — Qty: 6 NUMBER
- TAKING OUT THE L.T. SQ. CAGE INDUCTION MOTOR AFTER DISCONNECTIONS OF SUPPLY TERMINAL CONNECTIONS INCLUDING EARTHING TERMINAL CONNECTION, FROM COUPLING END OF 25/50 CUSEC VERTICAL AXIAL FLOW PROPELLER PUMP AFTER DISMANTLING THE SAME FROM THE MOTOR STOOL JO . THE MOTOR IS TO BE KEPT ON WOODEN SLEEPER AT A SUITABLE DISTANCE FROM THE FLOOR WITHOUT DAMAGING THE EARTHING STRIPS AND CABLES ETC. AS PER DIRECTION OF E.I.C — Qty: 4 NUMBER
- COMPLETE SERVICING AND HEAT VARNISHING OF 415VOLT, 3PHASE L.T. SQ. CAGE INDUCTION MOTOR AFTER CLEANING THE STATOR AND HEATING IT UP PERIODICALLY AND VARNISHING BY DR. BECK'S GRADED INSULATING VARNISH TO OBTAIN STABLE IR VALUE, CLEANING UP THE ROTOR, INCLUDING HEATING FOR DEMOISTURISATION, LACKER COATING ON THE SURFACE OF ROTOR STAMPINGS, CLEANING AND RO PRIMING ON THE END SHIELD COVERS, BEARING HOUSING AND COMPLETE THE NECESSARY REPAIRING WORKS AS PER DIRECTION OF E.I.C UPTO 75KW LTSQ.CAGE IM — Qty: 3 NUMBER
- REPLACING AND JOINTING OF NEW 1.1KV GRADE 70 SQ.MM. FIBRE GLASS COPPER WIRE TERMINALS LEADS BY 100% SOLDER (EYRE) COMPOUNDED WITH EYRE-7 PASTE, (6 LEADS). UPTO 75KW LTSQ.CAGE IM — Qty: 4 NUMBER
- FINISHING THE END OF TERMINAL LEADS BY S & F DOWELLS COPPER SOCKETS PROPERLY SUPPLYING TAPES, PETROLLIUM JELLY ETC. 6 NOS.. UPTO 75KW LTSQ.CAGE IM — Qty: 6 NUMBER
- COST OF MECHANICAL WORK VIZ. SHAFT TRUNESS, CHECKING KEY WAY LOOPING OF HOLES GRINDING AND POLISHING ETC... UPTO 75KW LTSQ.CAGE IM — Qty: 4 NUMBER
- S & F OF 395 MM. X 25 MM. X 25 MM. GLASS FIBRE BAR FOR L.T.INDUCTIOR MOTOR TERMINAL WITH CLASS-H INSULATIONS (EACH MOTOR CONSISTS OF 2 NOS. OF BARS). UPTO 75KW LTSQ.CAGE IM — Qty: 4 NUMBER
- REFITTING THE PUMP MOTOR (LT SQ. CAGE IM) SET WITH ALL ITS NECESSARY COUPLING AND ACCESSORIES TO ITS ORIGINAL POSITION INCLUDING FITTING FIXING WITH BEARING HOUSING NON-REVERSABLE RACHET UNIT AND PUMP SHAFT WITH PROPER TOLLERANCE AND CLEARANCE AND RECONNECTION OF TERMINAL POINTS THE OVERHAULING WORK I.E. CLEANING OF CONTRACTS SLIPING ETC. (ALL CONNECTION STRIPS, CABLE END ARE TO BE REFITTED IN PROPER WAY INCLUDING GOOD DAMAGES OF STRIP TERMINALS) AND SATISFACTORY 2 HOURS TRIAL RUN OF THE PUMP AS PER DIRECTION OF E.I.C. FOR ALL PUMPING STATIONS. UPTO 75KW LTSQ.CAGE IM — Qty: 4 NUMBER
- POSITIONING THE MOTOR FROM VERTICAL TO HORIZONTAL STATE BY OH CRANE AND MANUAL LABOURER.DISMANTLING THE MOTOR BY OPENING DE NDE SHIELD COVERS, COIL GUARD AND TAKING OUT ROTOR FROM STATOR. PROPERLY CLEANING OF THE ROTOR INCLUDING WITHDRAWALS OF DEPOSITED SULPHER SLUDGE MOISTURES FROM ALL THE END RING BAR JOINTS NEATLY. BRAZING OF THE DOUBLE CAGE ROTOR BARS WITH END RINGS BY HIGH SKILLED MECHANICS WITH SILVER BRAZING ARTICAL USING SILVER BRAZING FLUX. NEATLY SURFACING OF THE NEWLY BRAZED LAMINATED ROTOR SURFACE AND INSTALLING THE BAR JOINTS WITH DR. BEAK'S GRADED. UPTO 75KW LTSQ.CAGE IM — Qty: 4 NUMBER
- PROPERLY CHECKING OF THE MOTOR, TESTING OF DEVELOPED IR VALUE, LOAD CURRENT FACTOR, TERMINAL LEAD JOINTS, TERMINAL BAR ETC. NECESSARY REPAIRING WORKS UPTO 75KW LTSQ.CAGE IM — Qty: 6 NUMBER
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