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| # | Company | Status |
|---|---|---|
| 1 | Admitted-Finance | Admitted-Finance |
| 2 | Admitted-Finance | Admitted-Finance |
| 3 | Not Admitted-Fee/PreQual/Technical | Not Admitted-Fee/PreQual/Technical Not Complied with technical specification |
Tender Value
Refer Docs
EMD Value
₹16,100
Closing Date
16 Jun 2020, 11:15 amClosed
Executive Engineer (EnM) WnS (NW)
MU Block, Pitampura, New Delhi-110034
Dehydration, overhauling and Servicing of 1250 KVA, 11/.433 KV Transformers (02 Nos.) of L.D Power Transformers make at New Avantika BPS.(reinvite)
2020_DJB_191532_1
NIT NO.07(2020-21)EMWS
Open Tender
Miscellaneous Works
Item Rate
60 days
MU Block, Pitampura, New Delhi-110034
Please refer Tender documents.
3 documents required · 3 mandatory
₹500
A/c No.50448339804
₹16,100
Yes
24 Jun 2020
9 Jun 2020
16 Jun 2020
9 Jun 2020
16 Jun 2020
9 Jun 2020
Disconnecting of HT supply from main HT panel after proper switching off 11KV VCB discharging the supply. Complete drain out of transformer oil from transformer to empty oil drum by oil machine, dismantling of conservator tank all protection relays cable end boxes vent pipes and other items as required.
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. Heating the HT & LT winding with inductive heating, removing the moisture improvement the IR value of HT and LT winding.
Replacement of top cover gasket, vertical vent gasket & missing hardware to stop the oil leakage.
Replacement of silica gel.
Replacement of LT bushing
Insulating the HT leads
Checking & matching of control wiring of all protection relays and calibration of buchholz relay and protection relays testing the same.
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
Filling of T/oil to up to top up level as required to make power
P/ Fixing of winding protection pad
Repair of cooling fins, replacement of cooling fins gasket and oil seal for stopping the leakage (one tr)
Dehydration & filtration of complete transformer oil and checking the die electric strength up to 50 kV at site as required
Complete cleaning and chemically washing of oily and muddy transformer body and painting of transformer with enamel paint.
Insulating the LT bus bar with epoxy paint
A.S.ENTERPRISES
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