Details: following work needs to be carried out at different substations under etd ayodhya with all cost of men and t & p as per instructions of supervising engineer: overhauling of each pole mechanism assemblies of 245 kv sf-6 circuit breaker installed at following bays (each cb has three poles). the job includes overhauling of control assembly, holding latch assembly, trip assembly, anti pumping pin assembly, motor charging gear assembly etc. overhauling of 03 phase lever, shock absorber etc.opening of different parts of mechanism for checking wear and tear, rectification/repair of roller, linkage of mechanical assembly, rectification of gas leakage from pipe assembly if any by replacing o ring and brazing etc. work also includes tightening of all electrical connections for satisfactory operation of breaker and testing proper opening /closing time. 220kv s/s sohawal 220kv s/s new tanda
Sector: Transmission