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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹1.1 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+₹2,878 (2.53%)Rejected-AOC 5 57 CALDWELL COLONY 1ST STREET TUTICORIN 628 008 | TUTICORIN | TAMIL NADU | 628008 | L2 | Rejected-AOC Tender Rejected |
Tender Value
₹1.1 L
EMD Value
₹1,100
Closing Date
12 Feb 2020, 2:00 pmClosed
SE/ES
Superintending Engineer-Electrical Systems- Tuticorin Thermal Power Station-Tuticorin
TTPS ES Circle EM I Internal inspection tightness checking of HV and LV windings OLTC and allied works due to poor DGA result and IR value improvement in 6.6 kV 433V 2 MVA Station service transformer of unit III
2020_EB_155698_1
SE/ES/TTPS/300/2019-20
Open Tender
Electrical Works
Item Rate
30 days
TTPS
As per BQR conditions in NIT
6 documents required · 6 mandatory
₹0
₹1,100
Yes
20 Jul 2020
28 Jan 2020
13 Feb 2020
28 Jan 2020
12 Feb 2020
28 Jan 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 and checking any hot spot / arcing in HV/LV windings take off leads and joints.
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 the 6.6 KV/ 415 V, 2MVA Capacity Transformer from SST-III plinth to repair bay-I and back.(For 1000 M / Ton)
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
Supply of new RC 70 Grade CORTICA Make neoprene cork gaskets of various sizes for replacement in Station Service Transformer III
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 alternately for improving IR values, 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 IR value of the transformer winding & 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, Preheat oil circulation of newly drawn oil and devolution of released oil drum to stores (Lorry, crane, oil filter machine will be supplied by TANGEDCO )
Scrapping, cleaning and Painting the Entire Transformer surface with 2 coats of DA grey enamel paint. (Station Service Transformer III=122 m2 ) and inclusive of enamel paint &consumables etc.
KUMAAR ENTERPRISES
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