Tender For Overhauling Of 2000 Kva (11/.433) Transformer Of Bbl Make Installed At Cwph Haiderpur Wtp Ph-I
Tender Value
Ref. Documents
Estimated cost
Bid Submission
03 Aug 2026
6 days left
EMD
17500
Bank guarantee accepted
Document Fee
500
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Delhi → Delhi
EMD Exemption
Not Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Overhauling Of 2000 Kva (11/.433) Transformer Of Bbl Make Installed At Cwph Haiderpur Wtp Ph-I
BOQ
| Sl. No. | Item Description |
| 1 | Disconnecting of HT supply from main HT panel after proper switching off 11 KV OCB discharging the supply. Complete drain out of transformer oil from transformer to empty oil drum by oil machine, dismantling of conservator tank all protection relayscable end boxes vent pipes and other items as required |
| 2 | Cleaning of transformer oil tank and removing of sludge settled in the bottom with the help of vacuum pressure cleaning machine thoroughly, cleaning of core and winding of transformer with hot oil and proper safety precaution to prevent the winding damage as required, cutting of old overheated insulation of winding and re-insulation of weak point with the help of HT insulation material and proper taping etc |
| 3 | Cleaning of winding with DC 2-26 |
| 4 | Replacement of top cover gasket vertical vent gasket & missing hardware to stop the oil leakage. |
| 5 | Replacement of salica gel. |
| 6 | Repairing of tape changer |
| 7 | Repairing of LT Copper bolt and Pam, remettaling and finishing the same as per original shape and size. |
| 8 | Checking & matching of control wiring of allprotection relays and calibration of bucchlaz relay and protection relays testing the same. |
| 9 | Complete assembling of transformer cleaning of complete transformer tightening of all connection of incoming and outgoing side and testing & checking of IR test with megger of winding & cable of both sides with HI pot machine. |
| 10 | P/Fixing of winding protection pad |
| 11 | Repair of cooling fins, replacement of cooling fins gasket and oil seal for stopping the leakage |
| 12 | Filling of T/oil to up to top up level as required tomake Savita/ Power |
| 13 | Dehydration & filtration of complettrasformer oil and checking the die electric strength up to 50 KV at site as required |
| 14 | Complete cleaning and chemically washing of oily and muddy transformer body and painting of transformer with enamel paint. |
| 15 | Insulating the bus bar with epoxy paint Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Jul 27, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedAug 03, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 6 daysAug 03, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 6 daysTender Documents
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