supply of 400kv, 220kv and 132kv hcb isolator male and female arm assembly hivelm make at 400kv substation, kashipur , supply , 400kv, 2000a, 40ka / 1sec, 3ph, hcb isolator electrically ganged motor operated. male arm assembly with corona rings and corona shield assembly. ( specification as per drawing attached ) . , 400kv, 2000a, 40ka / 1sec, 3ph, hcb isolator electrically ganged motor operated. female arm assembly with corona rings and segment cup consisting of copper rod. ( specification as per drawing attached ) . , 245kv, 1600a, 40ka / 1sec, 3ph, hcb isolator mechanically ganged motor operated. male and female arm assembly with corona shield only. ( specification as per drawing attached ) . , 145kv, 1250a, 40ka / 1sec, 3ph, hcb isolator mechanically ganged motor operated. male and female arm assembly with corona shield only. ( specification as per drawing attached ) . , erection , work of replacement and re-alignment of burnt 245kv, 1600a hcb isolator mechanically ganged motor operated. male and female arm assembly with corona shield and checking of isolator alingment remote / local operation condition including cost of labour and t&p. , work of replacement and re-alignment of burnt 145kv, 1250a hcb isolator mechanically ganged motor operated. male and female arm assembly with corona shield and checking of isolator alingment remote / local operation condition including cost of labour and t&p.