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| # | Company | Status |
|---|---|---|
| 1 | Admitted-Finance | Admitted-Finance |
| 2 | Admitted-Finance | Admitted-Finance |
| 3 | Admitted-Finance 56 ARUNACHALAM MAIN ROAD AMBAL NAGAR PORUR CHENNAI TAMIL NADU 600116 | THIRUVALLUR | TAMIL NADU | 600116 | Admitted-Finance |
Tender Value
Refer Docs
EMD Value
₹8,700
Closing Date
28 Feb 2020, 2:00 pmClosed
SE-ES
SUPERINTENDING ENGINEER/ ELECTRICAL SYSTEM, NCTPS-I, CHENNAI-120
NCTPS I ES Circle EM I Dn S DnI Complete rectification of defective 2 MVA 6.6 KV 433 V unit service transformer 1B at NCTPS-I
2020_EB_157498_1
SE ES NCTPS I WC No 121 2019- 20
Open Tender
Power/Energy Projects/Products
Works
45 days
NCTPS-I
Please refer Tender documents.
3 documents required · 3 mandatory
₹0
₹8,700
Yes
10 Mar 2020
14 Feb 2020
29 Feb 2020
14 Feb 2020
28 Feb 2020
14 Feb 2020
Amount
Rewinding of one phase of HV and LV winding with new copper (225 KG) and new insulation, drying out and conducting necessary test to 2 MVA / 1.6 MVA service transformer and transporting to NCTPS-I.
Labour charges
Material charges(225Kg/phase)
Releasing the Buchholz relay, conservator tank, vent pipe, oil & winding temperature gauges, Disconnection of winding CT terminals.
Removing the top cover of the transformer and Disconnecting the HV/LV leads from Bushings and lifting the core and winding.
Complete cleaning of the Transformer tank, Core, Winding, Sludge removing and removing old gasket.
Complete cleaning of the Tap switch and attending defects if any during testing.
Cleaning, servicing and gasket replacement to Buchholz relay, MOG, oil level gauge glass, explosion vent pipe, conservator tank, silica gel & replacement of diaphragm.
Dismantling of HV & LV Bushings, cleaning, checking the bushing rods, replacing the deteriorated O rings & gaskets by new,assembling and fixing in the transformer tank.
Repositioning of the core & winding assembly in Transformer tank and reconnecting the HV/LV leads
Providing New Gasket at top cover and fixing the top cover.
Fixing the radiator cooling fins, valves,conservator tank, Buchhloz relay, explosion vent pipe, WTI,OTI, winding CT bushings, breather pipe & breather in complete shape by replacing all deteriorated gaskets by new one.
Filling up the transformer with new transformer oil through oil filter machine.
Hot oil circulation till the IR value of the transformer winding & breakdown value of the oil reaches the required level and attending to the connected & related works.
Scrapping, cleaning and Painting the Entire Transformer surface with 2 coats of DA grey enamel paint.
Supply of Gasket
Supply of Insulation
Supply of Silver Brazing rod
Tools and plants
Less Retrieved scrap copper
Asia Power Electrical LLP
KRAM ELECTRICAL WORKS
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