Replacement of gasket and centrifuging of 132/33 KV 40 MVA T/F-II (BBL make) installed at 132 KV S/S Dalla under ETD, Robertsganj.

Amount

Drain out of complete oil from 40 MVA-II into empty oil tank/drum.

Dismantling of all parts of 40 MVA Transformer-II HV/LV neutral bushing from Transformer main tank, radiator ,Conservator tank, PRV, Buchholz relay and OSR Relays, oil pipeline ,opening of electrical connection and proper blanking of open space for replacement of new gasket between Conservator to main tank and OLTC etc.

Attending oil leakage of one no. 40 MVA T/F-II BBL make by replacement of old and damage gasket by new gasket.

HV side busing (top and bottom portion) of R Y and B phase

LV/neutral ( top and bottom portion)

PRV gasket of transformer

Radiator pipelines gasket

Radiator valve gasket

Inspection cover HV/LV side gasket.

Men tank ,top cover gasket involving the work of opening nut and volts of the top cover plate ( lifting the cover plate and winding by 20 CM from its present level , cleaning the top surface fabrication of the top cover gasket as per top surface made from cork sheet, joining and punching holes, fitting on top surface, fitting the top over plate and tightening the nut and bolts for proper competition of work.

Conservator tank gasket

Equiliser joint gasket

Oil temperature and winding temperature instruments

OLTC top/bottom over gasket

OLTC gear mechanism gasket

OLTC indicator glass

Conservative drain valve gasket

Buchholz and OSR relay gasket

Sampling valve gasket

Drain valve gasket (main tank)

Gasket for oil indicator glass gauge

Gasket for magnetic oil level gauge

Air release Teflon washers of radiator cap and brushing

Opening and fixing of all HV and LV side jumpers and HV & LV side neutral busing connection

Dismantling and fitting of radiators cooling fan

Complete erection of 40MVA Transformer-II , HV/LV bushing, turret, pipeline of Transformer and conservative tank PRV,OLTC, radiator, oil cooling system, tightening of all nuts and volt to complete the erection with all required T&P.

Centrifusing of complete Transformer oil in transformer main tain by connecting centrifusing machine to be arranged by the contractor along with operator at his own cost and taking the BDV value of oil periodically till the required value is achieved. PPM up to less than 5 PPM as per direction of supervising engineer.

Spray painting of 40 MVA Transformer-II (BBL make) with one coat of red oxide primer and two Coats of synthetic enameld smoke grey colour, Asian /Nerolac/Burger make after cleaning of Rust dust and oil .All labour and T&P will be provided by the contractor at own cost.

M/s. AKHYA ENTERPRISES (BID ID -5135436)