Re-Tender No. 07/ETD-III(P)/2024-25

Amount

following work is to be carried out for replacement of oil indicator glass of conservator tank and attending the leakage of T/F Oils from 40 MVA T/F body at 132 KV S/S Meja Road under ETD-III, Prayagraj.

Safely carriage of 20KL capacity oil Tank from 132 KV S/S YPC to 132 KV S/S Meja Road, Prayagraj. (Approx. distance-100 Km.), the work includes safe shifting & loading of oil tank with the help of Hydra/Crane safe Transportation and safe unloading it at working site near 40 MVA T/F at 132 KV S/S Meja Road.

Draining of T/F oil from 40 MVA T/F Conservator and T/F main tank upto lowest level of main tank indicator. (apprx 1.5 Fit from top cover of main tank).

Opening of all oil connecting pipe of conservator tank and OLTC tank and its lowering down at ground using Hydra/Crane.

Replacement of all fibre glass of oil indicator which is installed at conservator tank & OLTC tank by cleaning the epoxy material, already used on that indicator to prevent leakage. Glass material to be used of best quality and must be transparent and visible to be approved by JE/SDO

Replacement of MOG of transformer. MOG provided by the department free of cost and all accessories fitting, rubber, bid gasket & all associated material will be provided by contractor on their own cost.

Attending leakage of main tank indicator by removing all waste material of epoxy already used on the indicator for preventing leakage by using new fibre glass on the indicator and also proper tighting of nuts-bolts of that indicator, so that leakage can be stopped.

After replacement of indicator glass of conservator & MOG, fixing conservator to its original place and connecting all detached pipes to 40 MVA T/F to Conservator tank with all new packing using Hydra/Crane.

After Replacement of indicator glass of OLTC fixing it to its original place and connecting all pipe of OLTC with new packing using Hydra/Crane

Filling of T/F Oil in 40 MVA T/F main tank, Conservator, OLTC tank, which was stored in oil tank.

Tightening of all nuts & bolts of whole Transformer using Torqe spanner/wrench.

Centrifuging of oil of T/F tank by connecting centrifuging pipes, circulating T/F oil, Through centrifuging machine and taking BDV values of the Oil periodically fill the required value achieved as per direction of supervising Engineer and also measurement of PPM. All labours and T&P Centrifuging machine shall be provided by contractor at his own cost.

Collection of oil sample from Substation 15 days after energization of Transformer and Testing & submission of Report of oil sample such as BDV, DGA , Tan Delta etc.

M/s. AKHYA ENTERPRISES

BARKATI ENTERPRISES