CE-MTPS-I-SE-ES-EM-II-OT 65-2024-25

Amount

Charges for Disconnection of HV Power cable & its terminal box and earth flats.

Charges for Disconnection of LV Power cable & terminal box.

Charges for Releasing the old transformer oil from tank and Releasing the radiator cooling fins, valves and cleaning by using forced oil method.

Charges for Releasing the Buchholz relay, conservator tank, vent pipe, oil & winding temperature gauges, Disconnection of winding CT terminals.

Charges for Removing the top cover of the transformer and Disconnecting the HV/LV leads from Bushings and lifting the core and winding.

Charges for Complete cleaning of the Transformer tank, Core, Winding, Sludge removing and removing old gasket.

Charges for Complete cleaning of the Tap switch and attending defects if any during testing.

Charges for Cleaning, servicing and gasket replacement to Buchholz relay, MOG, oil level gauge glass, explosion vent pipe, conservator tank, silicagel & replacement of diaphragm.

Charges for 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 Repositioning of the core & winding assembly in Transformer tank and reconnecting the HV/LV leads

Charges for Providing New Gasket at top cover and fixing the top cover

Charges for 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.

Charges for Leading the oil filter machine from its shed to transformer location and extending power supply, transport back to its shed after completion of hot oil circulation.

Charges for Filling up the transformer with new transformer oil through oil filter machine.

Charges for 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.

Charges for Connecting HV Power cables, fixing terminal box & earth flats.

Charges for Connecting LV Power cables & terminal box / LV Bus duct terminals and fixing terminal box and assisting in testing the transformer.

Charges for Drawl of new transformer oil drum from stores & transporting to transformer location, Preheat oil circulation of newly drawn oil and devaluating of released oil drum to stores (Lorry, crane, oil filter machine will be supplied by TNPGCL)

Charges for Scrapping, cleaning and Painting the Entire Transformer surface with 2coats of DA Grey Paint for two transformers (Surface area / transformer=118 m2 )

Charges for disconnecting and re-connecting the LV end winding plates with new plates, including the cost of Materials, crimping, brazing and reinsulating with Kraft paper and cotton tape for LV winding terminals. (If required)

Neoprene bonded rubberized cork gasket. 10 mm thick RC 70C 900 x 900 mm size

8 mm thick RC 70C 900 x 900 mm size

6 mm thick RC 70C 900 x 900 mm size

3 mm thick RC 70C 900 x 900 mm size

G.I Bolt, Nuts & Washers of various sizes

DA Grey paint ( For 2 Nos. transformers)

Cost of Consumables (for 2 Nos. transformers)