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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹1.2 LAccepted-AOC D NO 17 143 APOLLO GARDEN MADANADAR KUDIERUPPU NEAR KUMARAPURAM JN TIRUNELVELI 627 133 | TIRUNELVELI | TAMIL NADU | 627133 | L1 | Accepted-AOC Tender Accepted | |
| 2 | L2₹1.2 L+₹6,743 (5.79%)Rejected-AOC | L2 | Rejected-AOC L2 Bidder |
Tender Value
Refer Docs
EMD Value
₹1,200
Closing Date
30 Nov 2020, 2:00 pmClosed
SE/ES
Superintending Engineer-Electrical Systems- Tuticorin Thermal Power Station-Tuticorin
Oil leak arresting changing all the gaskets and minimise the moisture content in 6.6 KV 433V 1.6 MVA SL No 30868 make crompton greaves of Unit service transformer I during Unit I annual overhaul 2020 2021
2020_EB_185006_1
SE/ES/TTPS/228/2020-2021
Open Tender
Electrical Works
Item Rate
60 days
TTPS
As per BQR conditions in NIT
6 documents required · 6 mandatory
₹0
₹1,200
Yes
17 Mar 2021
12 Nov 2020
1 Dec 2020
12 Nov 2020
30 Nov 2020
12 Nov 2020
Disconnection of HV Power cable & its terminal box and earth flats.
Disconnection of LV Power cable & terminal box / LV bus duct terminal connection &Terminal Box
Releasing the old transformer oil from tank and Releasing the radiator cooling fins, valves and cleaning by using forced oil method.
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 and checking of the Tap switch and attending defects if any.
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.
Charges for leading and shifting of 6.6kV/415V 2 MVA Capacity transformer from UST-I plinth to repair pay-I and back.(1000/tonne)
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, Bucholz relay, explosion vent pipe, WTI, OTI, winding CT bushings, breather pipe & breather in complete shape by replacing all deteriorated gaskets by new one.
Charges for hot air blowing and vacuum pulling for reducing the water content and Monitoring of IR value of the transformer winding during the process.
Filling up the transformer with new transformer oil through oil filter machine
Hot oil circulation till the reaching of required water content of the transformer oil & breakdown value of the oil reaches the required level and attending to the connected & related works.
Connecting HV Power cables, fixing terminal box & earth flats
Connecting LV Power cables & terminal box / LV Bus duct terminals and fixing terminal box and assisting in testing the transformer.
Drawl of new transformer oil drum from stores & transporting to transformer location, Prehot oil circulation of newly drawn oil and devoluting of released oil drum to stores. (Lorry,crane, oil filter machine will be supplied by TANGEDCO
Supply of new RC 70 Grade CORTICA Make neoprene cork gaskets of 1 Mtr X 1 Mtr X 6 mm thick sizes for replacement in Unit Service Transformer I
Supply of new RC 70 Grade CORTICA Make neoprene cork gaskets of 1 Mtr X 1 Mtr X 10 mm thick sizes for replacement in Unit Service Transformer I
BHUVANESWARI ELECTRICALS
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