Details: dismantling of old & outmoded 145kv(cgl make,1984) circuit breaker of 132kv transfer bus by disconnecting ac & dc supply and opening of jumpers,nuts-bolts,control cable connections,earthing and opening of its poles alongwith copper pipe of sf6 gas of all three poles safely with the help of hydra , then shifting of all dismantled materials to store or designated place as instructed by supervisor engineer.the work also includes dismantling of mechanism housing(pneumatic system),g.i structures and shifting it to storage place with all other associated works for the satisfactory completion of job.work is to be done in supervision of je/sdo. of new 145kv (siemens make ,2022) sf6 circuit breaker of 132kv transfer bus.the work includes carriage of cb with complete acessories from storage place to work site with the help of hydra after unpacking of all poles from crates.fixing of supporting structures after opening the protection covers,fixing of interrupting unit at the frames as per drawin
Sector: Transmission