Details: item description / headling transformer oil draining and after completion the same. internal and external cable connection opening & refitting the same after proper insulation both side. cork sheet oil seal and gasket changing of primary and secondary side bushing. cork sheet for top cover. dismantling of cooling tubes and after cork sheet changing refitting the same. 1/4 x 12" copper stud with nut lock washer check nut and washer. transformer oil filtration labour charge top cover & fitting (a) h.sk - 02 head x 502.44 = 1004.88 (b) skilled 02 head x 434.96 = 869.92 1874.80 new copper wire required of replacement of primary & secondary coil t.p.c.6.6 kv grade covering primary & secondary coil insulation materials of primary wire & secondary total coil (15% x 63 x 1000 kg) energy charges for heating baking of core & coils repairing of tap changing system cork sheet oil filtration with testing soldering materials(rupaton) w
Sector: Mining