procurement of 33 kv isolator jaw / blade , isolator jaw / blade holder clamp , 245 kv and 145 kv isolator terminal connector for maintenance work at 220 kv s / s barahuwa under etd-ii , gorakhpur procurment of 33 kv isolator jaw / blade , isolator jaw / blade holder clamp , 245 kv and 145 kv isolator terminal connector for maintenance work at 220 kv s / s barahuwa under etd-ii , gorakhpur , supply of 33kv 1250 amp. rama make isolator jaw made of electrolytic copper strip of size 25x5mm ( + / -5% ) complete with hotdip galvanized housing , aluminum pad , ss spring , nut , bolt and washer . the jaw must be type test-1250 to 2000 amp. from approved lab as per relevant iss:5561 / 1970 ( as per sample or as per manual drawing provided by site incharge ) ( approved lab certificate will be required ) . , supply of 33kv 1250 amp. rama make isolator jaw holder clamp made of galv. steel suitable of 33kv post insulator complete with 4 nut for post insulator of thickness 5-mm ( as per sample ) ( approved lab certificate will be required ) . , supply of 33kv 1250 amp. rama make isolator blade made of electrolytic copper strip of size 4mm ( + / -5% ) . the blade must be type test-1250 to 2000 amp. from approved lab as per relevant iss:5561 / 1970 ( as per sample ) ( approved lab certificate will be required ) . , supply of 33kv 1250 amp. rama make isolator blade holder clamp made of galv. steel suitable of 33kv post insulator complete with 4 nut for post insulator of thickness 5-mm ( as per sample ) ( approved lab certificate will be required ) . , 245kv bi-metalic isolator terminal connector made out of aluminium alloy having one side connecting on 31 mm stud another side connecting both standard and tandum type twin moose conductor complete in all respect bolt nut and washer etc. suitable for hbb make isolator .as per technical specification . the bi-metalic terminal connector must be type test 2000 amp. from approved lab as per relevant iss : 5561 / 1970 ( as per sample or as per manual drawing given by supervising engineer ) . , 145kv bi-metalic isolator terminal connector made out of aluminium alloy having one side connecting on 31 mm stud another side connecting both standard and tandum type twin panther conductor complete in all respect bolt nut and washer etc. suitable for hbb make isolator .as per technical specification . the bi-metalic terminal connector must be type test 2000 amp. from approved lab as per relevant iss : 5561 / 1970 ( as per sample or as per manual drawing given by supervising engineer ) .