Replacement of gaskets of 40 MVA Transformer I

Amount

The following works are to be carried out for replacement of gaskets of 40 MVA T/F -I (BBL Make) alongwith other associated works at 220 KV substation Orai with all cost of Men, Misc Consumables, Crane / Hydra, Centrifuging Machine, Normal & special T&P, any other accessory works like cleaning of oil tank (with oil or as required) etc required for satisfactory completion of the job, as per technical specifications & direction of supervising engineer, as per details below :

Draining out of transformer oil from T/F in empty oil tank.

Complete dismantling of the T/F as required for Gasket replacement. The scope of work involves dismantling of HV / LV / Neutral bushing, turrets, radiators, conservator tank, explosion vent pipe, Buchholz relay, oil pipe lines. Flanges, valves, cooling Fans cc, along with opening of associated electrical connections, stacking of all the dismantled parts at proper place in the switchyard including proper blanking of the open points before replacement of gaskets.

Complete Replacement of Gaskets of 40MVA Transformer. The Scope of work Involves Replacement of Gaskets Removal of old / damaged Rim Gasket of Transformer's Top Cover and old / damaged gaskets of different Parts ot the Transformer including HV / LV /Neutral Bushings, OLTC, all inspection window of main tank, Turets, Radiators, Conservator Tank, Explosion Vent Pipe, Buchholz Relay, Oil Pipe lines Flanges, Valves etc. by Cleaning of Surfaces, Providing & Fabrication of Gaskets out of good Quality Rubberized Cork Sheet Gaskets of Konica Troborze / Nu-Cork make having Temperature Bearing Capacity around 380'C and Fixing the Gaskets with Adhesive at Rim & other Surfaces including Bushing 'O' Rings etc. as per requirement.

Complete Erection of 40MVA Transformer - I by Erection of HV / LV /Neutral Bushings, Turets, Radiators, Conservator Tank, Explosion Vent Pipe, Buchholz Relay, Oil Pipe lines Flanges, Valves, Cooling Fans etc. at its original Place.

Centrifuging of Oil filed in oil Tanker, Un-Interrupted till the desired BDV Value of the Oil is Achieved, Filling of Transformer 0il into Main Tank and Radiators from Oil Tanker, then Centrifuging & Circulation of the Oil in Transformer, Un-Interrupted tilI the Desired BDV Values of the Oil & IR Values are Achieved including Recording of all the Parameters such as Temperature, Vacuum, Insulation Resistance etc. every 4 Hours. Centrifuging Machine, its Operator, all associated T&Ps etc. shall be Arranged by the Contractor at his own cost.

The Rates qouted by the bidders should be without Taxes. Taxes to be paid extra, if applicable.

BARKATI ENTERPRISES (BID ID -5063419)

rbs engineering (BID ID -5063396)

Perfect Power Transformer Associates (BID ID -5040108)