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Tender ID
Eligibility, documents, scope and key termsEligibility, required documents, scope of work and key terms of this tender, in one click.
| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹15.4 LAccepted-AOC HALDERPARA JOTE SHIBRAMPUR MAHESHTALA KOLKATA WEST BENGAL 700141 | 24 PARAGANAS SOUTH | WEST BENGAL | 700141 | L1 | Accepted-AOC ACCEPTED | |
| 2 | L2₹16.0 L+₹61,064 (3.97%)Rejected-Finance | L2 | Rejected-Finance HIGHER BID VALUE | |
| 3 | L3₹16.1 L+₹74,664 (4.85%)Rejected-Finance 159 KAILASH GHOSHI ROAD KOLKATA WEST BENGAL 700008 | KOLKATA | KOLKATA | WEST BENGAL | 700008 | L3 | Rejected-Finance HIGHER BID VALUE |
| Sl No | Description | Qty | Unit | Adak Electricals Private Limited L1 | POWER INDIA L3 | UTTAM AUTO ENTERPRISE L2 |
|---|---|---|---|---|---|---|
| 1.00 | Motor to be disconnected from HT cable & rotor starter & lifted at basement after decoupling from pump. Motor to be transported to the work site from site. | 1 | Nos | 16,700 ₹16,700 Lowest | 17,200 ₹17,200 | 17,500 ₹17,500 |
| 2.00 | Motor to be dismantled, taking out the rotor from the stator very carefully. Checking and measurement of all mechanical components. | 1 | Nos | 38,000 ₹38,000 Lowest | 42,200 ₹42,200 | 39,500 ₹39,500 |
| 3.00 | All old coils to be taken out from the stator slots after cutting out existing bridge and series connections. New coils to be made with DGC copper conductor. Moulding of slot portion with sa-mica sheet of all coils under heat & pressure. Taping of overhang portion with class F tape and HV testing of each coil. Stator to be rewound with new tested coils. All series & bridge connections to be made. Overhang portion to be braced properly. Manufacturing of wedges as per original sample and inserted
in the slot portion. Winding to be baked and varnished (Dr. Beck's make H-71). Final coating of anti-tracking moisture-protecting varnish to be applied & cured properly | 1 | Nos | 5,09,996 ₹5,09,996 Lowest | 5,32,500 ₹5,32,500 | 5,24,800 ₹5,24,800 |
| 4.00 | Taking out all end bearings from the rotor shaft with proper care. | 1 | Nos | 5,152 ₹5,152 Lowest | 5,200 ₹5,200 | 5,800 ₹5,800 |
| 5.00 | De-brazing of the rotor bars from the end rings, Extraction and removal of rotor bars from the rotor slots including the end rings of the rotor. | 1 | Nos | 92,000 ₹92,000 Lowest | 96,200 ₹96,200 | 98,400 ₹98,400 |
| 6.00 | Dismantling of rotor core, removing inner lamination varnish, re-varnishing the core plate varnish rebuilding the core with suitable axial and radial staggering, compressing the core aligning the rotor slots and locking in position. Carry out the flux loop-test for checking the Hot Spot. | 1 | Nos | 62,200 ₹62,200 Lowest | 65,200 ₹65,200 | 68,500 ₹68,500 |
| 7.00 | New copper bars (Electrolytic grade) has been drawn machined and inserted in the position. | 1 | Nos | 2,80,000 ₹2,80,000 Lowest | 2,92,000 ₹2,92,000 | 2,88,500 ₹2,88,500 |
| 8.00 | Complete Brazing of all bars on both sides have been done with the help of brazin materials ( Copper & Silver alloy, Eutectic 1805). | 1 | Nos | 63,600 ₹63,600 Lowest | 68,200 ₹68,200 | 65,800 ₹65,800 |
| 9.00 | Trueness checking and dynamic balancing of the rotor after completion of repairing work. | 1 | Nos | 24,544 ₹24,544 Lowest | 26,800 ₹26,800 | 25,000 ₹25,000 |
| 10.00 | Supply, fittins fixing of 3nos. new bearings of SKF make as follows DE_NU324M & NDE 6324M + NU324M | 1 | Nos | 2,85,000 ₹2,85,000 Lowest | 2,88,200 ₹2,88,200 | 2,86,800 ₹2,86,800 |
Tender Value
₹15.4 L
EMD Value
₹30,797
Closing Date
24 Jan 2026, 4:00 pmClosed
Eligibility, documents, scope and key termsEligibility, required documents, scope of work and key terms of this tender, in one click.
EXECUTIVE ENGINEER
HMC 4 M G ROAD HOWRAH - 711101
Rewinding of stator, re-staggering AND re-barring of rotor, replacement of bearings of a 425 KW, 6KV, 988 RPM KEC make Sq. Cage Motor (Sl No 3097602-1) of CWPS at Howrah Water Works, Padnapukur
2025_MAD_979125_7
HMC/HWW/P-07/2025-26
Open Tender
CIVIL WORKS
Percentage
30 days
HMC AREA
Please refer Tender documents.
4 documents required · 4 mandatory
₹2,500
₹30,797
16 Mar 2026
24 Dec 2025
27 Jan 2026
24 Dec 2025
24 Jan 2026
24 Dec 2025
Motor to be disconnected from HT cable & rotor starter & lifted at basement after decoupling from pump. Motor to be transported to the work site from site.
Motor to be dismantled, taking out the rotor from the stator very carefully. Checking and measurement of all mechanical components.
All old coils to be taken out from the stator slots after cutting out existing bridge and series connections. New coils to be made with DGC copper conductor. Moulding of slot portion with sa-mica sheet of all coils under heat & pressure. Taping of overhang portion with class F tape and HV testing of each coil. Stator to be rewound with new tested coils. All series & bridge connections to be made. Overhang portion to be braced properly. Manufacturing of wedges as per original sample and inserted in the slot portion. Winding to be baked and varnished (Dr. Beck's make H-71). Final coating of anti-tracking moisture-protecting varnish to be applied & cured properly
Taking out all end bearings from the rotor shaft with proper care.
De-brazing of the rotor bars from the end rings, Extraction and removal of rotor bars from the rotor slots including the end rings of the rotor.
Dismantling of rotor core, removing inner lamination varnish, re-varnishing the core plate varnish rebuilding the core with suitable axial and radial staggering, compressing the core aligning the rotor slots and locking in position. Carry out the flux loop-test for checking the Hot Spot.
New copper bars (Electrolytic grade) has been drawn machined and inserted in the position.
Complete Brazing of all bars on both sides have been done with the help of brazin materials ( Copper & Silver alloy, Eutectic 1805).
Trueness checking and dynamic balancing of the rotor after completion of repairing work.
Supply, fittins fixing of 3nos. new bearings of SKF make as follows DE_NU324M & NDE 6324M + NU324M
DE & NDE bearing housing has been metalised and machined to suit the bearing dimension
Re-assembly of the motor with all components after necessary cleaning and painting of inner parts.
Statutory IR test, resistance, inductance measurements, surge comparison tests of stator and rotor along with hieh pressure testing to be carried out in presence of the departmental officers
Transportation of the motor from works to Pump house.
Installation of the motor to the bed plate. Re-connecting the HT & LT Cable, recoupling after proper alignment with pump and trial run and commissioning of the same
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BOQ_2386677.xls
BOQ • 0.34 MB
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