SPL REPAIR TO 33/11 KV HT TRANSFORMER OF MRS AT SI LINES BHOPAL

Amount

Taking out Power Transformer of capacity 1.00 MVA, 33/11KV from site with the help of chain pully / motorised crain and transporting to work shop and return back after repair of transformer & re-installed at site including testing, commissioning all as directed at site. complete all as per specified and directed.

Disconnecting and Strip opening transformer 1.00 MVA 33/11KV outdoor type after unscrewing nuts /bolts screws and connected accessories such as breather, conservator tank,temp gauge for replacement of defective HT / LT COILS, defective parts ( payment of defective parts to be replaced shall be measured and paid separately ). Reassembling after replacing the defective coils / defective parts and replacing the top gasket sheet and other insulating packing materials and testing and commissioning complete all as specified and directed including taking out, handling of power transformer of capacity 33/11 KV, 1.00 MVA. complete all as per specified and directed. Note: The reassembling element covers the assembling of parts not to be changed where as for the rest it shall be the part of the item being replaced.

Rewinding of Power Transformer of capacity 33/11KV 1.00 MVA, HV / LV coils using the same gauge of super enameled copper winding wire with using paper tape insulation, necessary insulation packings / paper insulation etc. with replacement of crape tape, prospon sheet, sliphase brazing rod, HT block, LV block etc are inclusive part of job complete as directed. Note: 1.The coil to be replaced shall have same number of turns, gauge, insulation value matching as per manufacture’s design. 2.Purification / Filtration and dehydration of transformer oil has all been carry out as per required level. 3.Copper scraps will be credit to contractor as per schedule of credit.

S&F in replacement of insulation PCB. complete all as per specified and directed.

S&F in replacement of gasket. complete all as per specified and directed.

Supply and replacement unserviceable full threaded copper stud with four nos Nuts and washer as per sample suitable for LV side of 1.00 MVA transformer. complete all as per specified and directed.

Supply and replacement unserviceable full threaded copper HV stud with busing cap and nuts as per sample suitable for 1.00 MVA transformeer. complete all as per specified and directed.

Supply and replacement unserviceable LV bushng with rubber gasket as per sample suitable for 1.00 MVA transformer. complete all as per specified and directed.

S&F in replacement transformer oil from equipment and supply and filling fresh transformer oil in transformer , low viscosity as per IS : 335-1993 duly dehydrated and tested to BDV 50 KV at 2.5 mm gap. complete all as per specified and directed. Make: Power oil /castrol or Equivalent as approved by the GE.

Supply and replacement of SILICA GEL Breather for transformer suitable for 1.00 MVA duly filled with Silica Gel clear view design , complete with oil cup at bottom. complete all as per specified and directed.

Rubbing / scratching old paint of transformer of capacity 1.00 MVA, through cleaning with kerosene oil and providing one coats of synthetic enameled spray paint including writing SM / MES / Machine Numbers complete all as per specified and directed.

Taking down the existing defective Post Insulator after disconnecting from HT line including supply and fix Post Insulator suitable for 33 KV complete with 6 mm thick 1 feet long copper strip fixed at the top of the Post Insulator complete and connected with HT line. complete all as per specified and directed.

S&F in replacement 95 Sqmm PVC insulated PVC sheathed aluminium conductor single core cable in jumpers and binding with suitable size of aluminium conductors on the both ends of existing LV OH line and complete all as per specified and directed.

Calibration and testing of combined inverse time over current earth fault and instantaneous relay for cheking and cleaning and insure physical healthlines with visual check for healthy tripping of over current and earth fault setting tripping timer ratio setting instantaneous time setting etc. as per insalled capacity of transformers with artificial current injunction on primary & secondary with current injunction machine complete all as per specified and directed.

Testing of over current & earth fault IDMT relays as per time / current characteristics by secondary injection test at 50%, 75%, 100 % plug setting and operating time at twice the set value & TMS 1 and calibrating including well cleaning and decarbonizing of relay contacts. complete all as per specified and directed.

S&F relay for operating mechanism model 3TS30 22E, 24V DC. complete all as per specified and directed. Note: Contractor may please be advised to visit the 33 MRS sub station to check the sample of item before quoting the rates.

S&F shunt trip coil 24 V DC complete of VCB of 33 MRS sub station. complete all as per specified and directed.(As per sample).

S&F TNC switch(Tripping, Neutral & closing) complete set suitable of existing VCB panel complete all as per specified and directed.

S&F fuse unit SNH 20A-32 A capacity complete all as per specified and directed.

S&F fuse unit NS4 4Amp capacity complete all as specified and directed.

S&F in replacement indicator ( Red, Yellow, Green & Blue ) 24V LED type. complete all as per specified and directed.

S&F in repalcement CT ratio 120-60/5 Amp VA - 15A, Class-1.0 c, Type - Indoor complete all as per specified and directed.

S&F in replacement of VCB spring charge motor, Voltage - 36KV , current - 630A Breaking capacity- 25KA as per sample ccomplete all as per specified and directed.

S&F in replacement of PT ratio pri./sec 11KV/110 V, Type -Indoor,, Accuracy class %-1.0, complete all as per specified and directed.

Note for all items: All items shall be executed as specified and directed by Engr-in-charge.

POONAM ELECTRIC INDUSTRY

Oasis Infosystem Private Limited

M/S RAKESH TRADERS