KMC/DR/PBPS/E/22/2026-2027
Kolkata Municipal Corporation · Kolkata, West Bengal · Repair, Maintenance & AMC Services · open
Key facts
- EMD: ₹10K
- Published: 31 Oct 2026
- Closing date: 17 Nov 2026
- Status: open
- Status as of: 04 Nov 2026 04:01 UTC
- Department: Sewerage and Drainage
- Office: Executive Engineer PBPS (DRG.)/S&D
Description
Urgent re-winding, re-insulation with heat varnishing of the rotor of a 177 KW H.T. motor, unit no. H, with allied works at the DWF station of PBPS (Drg.)/S&D. Completion is required within 30 days from the work order.
Eligibility & requirements
- Startup relaxation: No
- MSE relaxation: No
- Certifications: Contract labour license under the Contract Labour (Regulation and Abolition) Act, 1970 and West Bengal Contract Labour (Regulation and Abolition) Rules, 1972, as and when necessary, Licensed electrician for electrical works
- Documents required: Trade professional license under Section 199/200 of the Kolkata Municipal Act, 1980, Declaration regarding interest or share of a Municipal Officer or Servant in the tenderer's business, Declaration regarding relationship or close connection with specified Kolkata Municipal Corporation officials
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Commercial terms
- Bid type: Item Rate
- Evaluation: The fairness of the quotation and the past conduct of the contractor will be taken into consideration; the Corporation is not bound to accept the lowest or any tender.
- Make in India (MII): No
- MSE preference: No
Line items (21)
- Motor unit to be isolated from pump by detaching coupling bolts and then it is to be lifted from the base to the upper deck of the pump house and placing it at a suitable position. — Qty: 1 Item
- Extraction of old bearings from the rotor shaft by puller arrangement by taking safety prevention and necessary cleaning and greasing to be done. — Qty: 1 Item
- Dismantling of motor, rotor to be taken out from the stator very carefully after making necessary arrangement and placing the rotor on a suitable place as per specification & direction of the eic — Qty: 1 Item
- Bending and insulation on both sides of the overhang portion of the rotor to be taken out and stripped off completely. — Qty: 1 Item
- Thorough cleaning of the stator coil to remove dust, dirt etc. By application of brush/blower/air compressor. After primary cleaning of the stator subsequent heating and final cleaning to be done by the concern as per raced. — Qty: 1 Item
- Complete dismantling the slip ring unit including Carbon holder, carbon, slipring holding Attachment as per direction of engineer-in-charge — Qty: 1 Item
- Finishing the end of following cables by crimping Method including Supplying and fixing dowels solder less socket,Tapes and jointing materials as per direction of EIC — Qty: 1 Item
- High pressure test to be done at site in presence of Engineer-in-charge and test result to be submitted in due time. — Qty: 1 Item
- Casting and machining of 3 nos phosphorous bronze shorting contact with studs for connection. — Qty: 6 Item
- bridge connection including both sides coils ends to be de-solder. all coils (108 nos.) to be taken out after stripping the insulation & straighten one side coils. — Qty: 1 Item
- All 108 nos to be cleaned, dressed and damaged slots to be repaired properly after cleaning the slots to be baked. — Qty: 1 Item
- The old insulation of 108 nos. rotor coils to be stropped off completely and thereafter annealed, cleaned re-shaped and tinned properly. — Qty: 1 Item
- Re-insulation of 108 nos. coils to be carried out with class "F" insulation. after re-insulation the all coils to be varnished (class-F) and cured properly. — Qty: 1 Item
- Slot portion of all 108 nos. coils to be moulded with glass mica folium after proper heat and pressure. — Qty: 1 Item
- All coils to be inserted in the slot with proper carec and the same to be connected. both side coil end portion to be done correctly and resoldered with the coils end. whole winding to be properly insulated and brazed — Qty: 1 Item
- Bending of both sides of overhang portion to be given with resi-glass banding take after completing rewinding and the rotor leads to be re-insulated, baked and varnish. — Qty: 1 Item
- Soldering portion of both end sides coils end to be filled, cleaned and insulated properly. — Qty: 1 Item
- After thorough cleaning of the rotor winding by proper heating final cleaning to be done. the rotor winding to be varnish by dr. beck's make varnish after heat run. — Qty: 1 Item
- Rotor to be dynamically balance duly fitted with cooling fan — Qty: 1 Item
- Transportation of rotor & end cover from plant to party's workshop and back to plant after repairing — Qty: 1 Item
2 tender document(s) available — sign up to download.
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