dismantling of old 132 kv sf-6 cb of 40 mva transformer -i bay and re-erection of 132 kv sf6 cb on newly modified foundation ( increasing height of foundation ) at 132 kv s / s dumariyaganj. under etd-ii basti-1 opening of 132 kv jumpers from bsi to cb & cb to ct and opening the earthing of equipment and structure by cutting with the help of welding machine and its cable connection. 2 dismantling of old 132 kv sf-6 cb cgl make of 40 mva t / f-i bay with the help of hydra / crane and skilled labour. 3 erection of above 132 kv sf-6 cb on modify new cb foundation with the help of hydra arrangement after that jumpering of 132 kv jumpers from bsi to cb and cb to ct and new earthing of equipment. 4 termination of 02, 04, 06 or 10 core copper control cable as said above as per cable schedule and all other associated work to complete the job satisfactorily as per technical specification.