Electrical repairing works for repairing of Power transformer

Amount

Supplying fitting and fixing of transformer bushing for 250 KVA DTR for high tension and low tension sides complete

Heat curing and tanking of transformer

Oil filter and filling after dehydration of transformer

Supplying fitting and fixing of transformer new gasket set complete.

Cleaning, painting, varnishing oftransformer tank both inside and outside.

Transformer oil refilling.

Supplying and erection of 11 KV Pin insulator (Poly) with G.I.pin, blots and nuts coach screw etc. as required and as directed by the department.

Supplying and erection of 11 KV Disc insulator (Poly) 45 KN with hard ware fittings etc. as required and as directed by the department.

Supplying and fixing of 11 KV 400 A Gang operated switch with all accessories complete as required and as directed by the department.

Supplying and fixing of 11 KV 150 A D.O. fuse set complete as required and as directed by the department.

Supplying and fixing of 11 KV 5 KA Lighting arrestor (Poly) complete as required and as directed by the department.

Transformer coil rewinding and replacing burnt insulation tapes and varnishing complete as directed and under supervision by department Engineers. During execution of such repair works a Standby DTR of required capacity should be provided for the period the damaged 250 KVA DTR is repaired and reinstalled near power control room. 250 KVA

Testing of transformer performing following test in presence of department representative. (i)Open circuit & short circuit testing to determine transformer losses (ii)Oil (BDV)die-electric strength test (iii)Winding resistance test complete and as directed by department.

To and fro transportation charges of transformer from Assam University to workshop.

Supply and laying of following size PVC/XLPE insulated and PVC sheathed 1.1 KV G Solid Aluminium stranded conductor, XLPE Insulated, cores laid up, PVC tape inner sheathed, Armour complete handling of surplus spoil, debris et to proper place as specified and directed by the deptt. (Nicco/ Havells/ RPG/CCI/Polycab/Gloster/ Finolex make) . 400.00 Sq. mm.3 & 1/2 Core armoured U.G. cable

Supply, installation & testing of G.I. Plate earth station with 600 mmx600 mmx6 mm heavy duty G.I. earth plate with necessary 40 mm dia. G.I. watering pipe with G.I. Fittings such as Socket, Tee, elbow, nipple and 50 mmx40 mm G.I. reducing socket for funnel including locking arrangement with 300 mmx300 mmx6 mm hinged cover C.I. cover plate complete with digging of earth pit, construction of brick chamber and plastering of both inner & outer surface of wall as specified and directed by the deptt .

Supplying & laying of 25x6 mm size G.I. strips drawn on surface from earth electrode to Electrical switch gears, machineries etc complete with supply of G.I. nuts & bolts, screws etc including riveting, soldering & making necessary connection as approved, specified and directed by the deptt.