work of enhancement of 2 nos of 6.3 mva power transformers by supply erection testing and commissioning of 2 nos of 10 mva power transformer at 33kv corlim substation work of enhancement of 2 nos of 6.3 mva power transformers by supply erection testing and commissioning of 2 nos of 10 mva power transformer at 33kv corlim substation alongwith associated equipments.-supply of 33/11kv, 3phase, 50 hz, onan, outdoor, 10 mva, copper wound, power transformer, filled with transformer oil (+10 % extra oil in non-returnable drums), magnetic oil gauge indicator, winding temperature indicator and all other accessories including oltc, remote control panel for oltc, complete as per technical specifications. (end box on hv/lv) supply of 33kv, 3 core 400 sq.mm a2xfy aluminium armoured xlpe cable for connecting yard to transformer terminals supply of single ratio 33 kv, class 0.5s, oil cooled out door station type copper wound single phase current transformer for metering for following ratio: 400-200/5-5 a supply of termination o/d kit for 400sq.mm cable supply of termination i/d kit for 400sq.mm cable supply of 11kv, 3 core 300 sq.mm a2xfy aluminium armoured xlpe cable supply of earthing for neutral with copper strip of size 50x 6 mm supply of body earthing of transformer with hdg strip of size50x6 mm supply of gi structure material such as channel, clamps,nut @bolts supply of control cable (multistrand copper conductor, pvc insulated, armoured) 6x2.5sq.mm supply of control cable (multistrand copper conductor, pvc insulated, armoured) 4x2.5sq.mm supply of control cable (multistrand copper conductor, pvc insulated, armoured) 4x4sq.mm supply of control cable (multistrand copper conductor, pvc insulated, armoured) etc