WORK

Amount

Following work is required to be carried out for replacement of gasket of 40 MVA, 132/33 KV, IMP make T/F-I installed at 220 KV S/S Bhadaura.

Carriage of 20 KL Oil tank from 400 KV S/S Kasara-Mau/ 400KV S/S Sarnath or 60 No's empty oil drum from 132 KV S/S Zamania/Ghazipur or other substations under ETD-Ghazipur to 220 KV S/S Bhadaura (Approx. Distance 100 Km) of capacity 209 Ltr. With the help light/heavy vehicle arrange by the contractor on his own cost. The work involve loading and unloading of empty oil drum. including cost of labour and T&P charges.

Complete draining out the transformer oil up to required level from existing 40 MVA, 132/33 KV, IMP make T/F-I into empty oil tank or oil drum including opening of drain valves. (Approximate 18.50 KL)

Dismantling of HV/LV & Neutral bushing turret from T/F main tank, Radiators, conservator tank, PRV, buccholz relay, oil pipe line, OLTC cap, cooling fans, opening of electrical connection and proper blanking of open space for replacement of gaskets with the help of hydra. and other all associated work to complete the job.

Providing & replacement of old & damaged gasket of 40 MVA, 132/33 KV, IMP make T/F-I as per required size of good quality rubberised cork sheet of new KONIKA/TRABROZE make of standard quality at following place of transformer.

Top cover gasket replacing involving the work of opening nut-bolts of the top cover plate (lifting the cover plate with core and winding by 20 cm.) from its present level, cleaning the oil and damaged gaskets and its removal from surface by scraping and cleaning the top surface, fabrication of top cover gaskets as per top surface made from corksheet, jointing & punching holes, fitting on top surface, fitting the top plate cover and tightening the nut and bolts for proper completion of work.

145 KV bushing gaskets

LV/Neutral bushing top portion oil seal

LV/Neutral bottom gaskets

HV/LV side Neutral bushing top portion gasket

HV/LV/ side Neutral bushing bottom portion gasket

Buccholz relay

Valve gaskets

Radiator flange gaskets

Radiator air plug gaskets

OLTC top/bottom gaskets

OLTC gear mechenism gaskets

OLTC breather gaskets

Conservator plate gaskets

Equiliser pipe line gaskets

Explosionvent/ PRV gaskets

OTI/WTI port gaskets

Drain valve gaskets

Inpection cover HV/LV side gaskets

Sampling valve gaskets

OLTC indication glass gaskets

Busing indication plate gaskets

MOG gaskets

Flashing of main tank core and winding by hot centrifused T/F oil

Performing the Vaccume stand test. The scope of work involve creating the vaccume inside the T/F up to -760 mm of Hg for evacuation of moisture from core & winding and maintaining the pressure at least for 72 hours.

Complet erection of T/F original position and complete of all respect to operation.

Refilling of T/F oil up to required level & complete Centrifusing of old T/F oil of 40 MVA, 132/33 KV, IMP make T/F-I by connecting centrifusing pipe to circulate the T/F oil through centrifising machine which will be provided by the contractor and taking the BDV and megger of T/F of the oil periodically up to required value, PPM & DGA test is also to be conducted and achieve as per direction of supervisory engineer.(Taking Oil sample in bottel & send to lab for oil testing by contractor his won cost)

Spray painting of 40 MVA, 132/33 KV, IMP make T/F-II with one coat of red oxide primer and two coats of standard make Asian/Burger/Nerolac smoke gray synthetic enemel of 1st quality.

Repairing & servicing of cooling fan of T/F including the work opening of cooling fan from stand, opening fan body, replacing damaged bearing/bush, rewinding of cooling fan if required, oiling, greasing of motor, replacing if required its protective MCBs, switches, contractor, overload relay etc. to complete the job for proper & smooth Auto operation.

SATKAR TRADERS (BID ID -4739276)

Meena Elect & Engg. Works (BID ID -4739710)

Perfect Power Transformer Associates (BID ID -4739729)