REPAIR/MAINTENANCE TO ELECTRICAL INSTALLATIONS AND SERVICE TRANSFORMERS AT MILITARY STATION TALBEHAT

Amount

Taking down & re-installed of transformer 63 to 160 KVA, 11 KV/433 volts indoor /outdoor type of any make after unscrewing nuts /bolts screws and connected accessories such as breather, conservator tank, temp gauge including removing top cover taking out core assembly draining out of Transformer oil, cleaning of tank of transformer, strip inspection of HT/LT winding taking out damaged insulation and cooling HT/LT if any, reassembling of transformer after replacing the damaged coil making necessary connection with LT/HT bushes/Tap changing gear so as to bring Transformer in to original one, filling of transformer oil, commissioning and testing complete including cork sheet 15 mm thick and tightening nuts and bolts, washers, aligned drain plug and other minor parts for repair replacement of defective accessories/defective parts(payment of defective parts to be replaced shall be measured and paid separately). Transportation of distribution Transformer to workshop for repair work and from workshop to back to the installation shall be contractors’ arrangement complete all as specified and directed by Engineer-in-Charge. NOTE:- The cost of defective parts to be replaced as required shall be measured and paid separately under respective item of Sch 'A'.

Taking down & re-installed of transformer 163 to 250 KVA, 11 KV/433 volts indoor /outdoor type of any make after unscrewing nuts /bolts screws and connected accessories such as breather, conservator tank, temp gauge including removing top cover taking out core assembly draining out of Transformer oil, cleaning of tank of transformer, strip inspection of HT/LT winding taking out damaged insulation and cooling HT/LT if any, reassembling of transformer after replacing the damaged coil making necessary connection with LT/HT bushes/Tap changing gear so as to bring Transformer in to original one, filling of transformer oil, commissioning and testing complete including cork sheet 15 mm thick and tightening nuts and bolts, washers, aligned drain plug and other minor parts for repair replacement of defective accessories/defective parts(payment of defective parts to be replaced shall be measured and paid separately). Transportation of distribution Transformer to workshop for repair work and from workshop to back to the installation shall be contractors’ arrangement complete all as specified and directed by Engineer-in-Charge. NOTE:- The cost of defective parts to be replaced as required shall be measured and paid separately under respective item of Sch 'A' .

M&L for Rewinding in replacement of HT coil with super enamelled copper winding cores of appropriate size and Nos of turns along with insulating materials like leatheroid paper insulations cotton, tape/empire tape, wooden block packing and PVC sleeves soldering and varnishing with insulating varnish heating drying complete all as specified and directed by Engineer-in-Charge.

M&L for Rewinding in replacement of LT coil with super enamelled copper strip of appropriate size and Nos of turns along with insulating materials like leatheroid paper insulations cotton, tape/empire tape, wooden block packing and PVC sleeves soldering and varnishing with insulating varnish heating drying etc complete all as specified and directed by Engineer-in-Charge.

M&L in replacement of HT 11 KV bush suitable for indoor/outdoor type 63 KVA to 250 KVA transformer complete all as specified and directed by Engineer-in-Charge.

M&L in replacement of LT 0.433 KV bush suitable for indoor/outdoor type 63 KVA to 250 KVA transformer complete all as specified and directed by Engineer-in-Charge.

M&L in replacement of brass stud 1 set of 03, brass nuts, brass cup/washers and packing gasket suitable for HT 11 KV bush of indoor/outdoor type 63 to 250 KVA Transformer complete all as specified and directed by Engineer-in-Charge.

M&L in replacement for brass stud with brass nuts and washers for LT side suitable for Transformers 63 KVA to 250 KVA, indoor/outdoor including packing gasket complete all as specified and directed by Engineer-in-Charge.

M&L for filling of Transformer oil as topping up to level of Transformer level indicator's mark having dielectric strength not less than 60 KV at 4 mm gap with confirming to IS-335 by heating up and after filtration. Note:- Transformer Oil should be collected from MES store yard only.

M&L for dehydration/filtration of transformer oil with centrifuge machine for pole/platform mounted of any capacity complete all as specified and directed by Engineer-in-Charge. NOTE:- (i) Dielectric strength of Transformer oil should be not less than 60 KV at 4 mm Gap complete all specified and directed. (ii) Payment of new Transformer oil required for topping up at the time of dehydration and filtration shall be made separately. (iii) The test certificate before & after dehydration/filtration will be carried out by contractor.

M&L for spray painting outer surface of Transformer with two coat of synthetic enamel paint 1st quality after scraping removing dust and rusting, washing and cleaning of old paint outer surface of Transformer of capacity 63 KVA to 250 KVA complete all as specified and directed by Engineer-in-Charge.

M&L in for replacement of transformer breather complete with silica gel for capacity 63 KVA to 250 KVA step down transformer complete all as specified and directed by Engineer-in-Charge.

M&L in replacement of top gasket approx. 15 mm thick suitable for step down transformer (11KV/430 Volt) up to capacity of 250 KVA Transformer complete all as specified and directed by Engineer-in-Charge.

M&L in replacement of off Tap changer coil suitable for 63 KVA to 250 KVA step down transformer complete all as specified and directed by Engineer-in-Charge.

M&L in replacement of temp gauge for 63 KVA to 250 KVA step down transformer complete all as specified and directed by Engineer-in-Charge.

Repair/Maintenance/Servicing of gang operated device 11 KV fix on four pole/Two pole by replacement of fix and moving contract flexible copper jumper etc as required for make serviceable for proper on/off operation complete all as specified and directed by Engineer-in-Charge.

Supply and fixing ACSR conductor (mink, weasel, squirrel, or ferrate) for HT/LT overhead lines on poles and jumpers complete all as specified and directed by Engineer-in-Charge.

S&F in replacement lightening arrester set of 3 expulsion type complete with all fitting transmission class, discharge capacity 65 Kilo amp, 11000 volts complete all as specified and directed by Engineer-in-Charge. Make: Oblum/Elpro/Areva T & D Ltd.

Supply and fix light cast iron bench vice 127mm Mk Germany base (5 inches) complete all as specified and directed by Engineer-in-Charge.

M & L in replacement of unserviceable Phase reading indicating LED lamp with holder 230 volt, for all 3 phases (RYB). Make : AE/L&T

M&L for fixing in replacement of unserviceable MCCB, thermal based release, 415 volt, 25 KA, 4 pole, capacity 100 Amp complete all as specified and directed by Engineer-in-Charge. Make:- ABB, Havells, LEGRAND

M&L for fixing in replacement of unserviceable MCCB, thermal based release, 415 volt, 36KA, 4 pole, capacity 160 Amp complete all as specified and directed by Engineer-in-Charge. Make:- ABB, Havells, LEGRAND

M&L for fixing in replacement of unserviceable MCCB, thermal based release, 415 volt, 36KA, 4 pole, capacity 200 Amp complete all as specified and directed by Engineer-in-Charge. Make:- ABB, Havells, LEGRAND

M&L for fixing in replacement of unserviceable MCCB, thermal based release, 415 volt, 36KA, 4 pole, capacity 250 Amp complete all as specified and directed by Engineer-in-Charge. Make:- ABB, Havells, LEGRAND

M&L for fixing in replacement of unserviceable MCCB, 415 volt, fixed type, 50KA, 4 pole, capacity 400 Amp complete all as specified and directed by Engineer-in-Charge. MAKE:- ABB, Havells, LEGRAND.

Repair/Maintenance/Servicing of Servo stabilizer 20KVA by replacement of complete winding, electronic parts and transformer oil complete all as specified and directed by Engineer-in-Charge.

HARNAM SINGH ANIL SINGH

M/S SHIVA TRADERS