tender for the work of maintenance of 33 kv and 11 kv vcb installed at 33/11 kv sub station under electricity urban distribution circle moradabad - complete repairing & overhauling of different make 33 & 11 kv breakers indoor panels & outdoor units for smooth functioning and mechanical working- breaker cleaning & pin spring washer greasing & complete service of the breakers unit. checking of tripping time & breaker contact resistance before & after servicing. use of spray (zorrik/crc, wd14) for smooth mechanism. contractor to ensure providing maintenance service (if required in emergency) for a period of 12 months as a guarantee period. 2 providing and fixing of closing & tripping coils of different make for 33 &11 kv breaker. 3 providing and fixing of spout of different make for 11 kv breaker. 4 providing and fixing of auxiliary switch of different make for 11 kv breaker. 5 providing and fixing of female contact set (4x1) of different make for 11 kv breaker. 6 supply and fixing of 11 kv vacuum interrupter of different make. (if required) 7 providing & fixing of 33 & 11 kv breaker outdoor unit charging motor 8 providing & fixing control cable (copper) of various sizes 4c & 6c as per requirement