tender for the work of maintenance, repairing, testing & overhauling work of existing 11 kv vcb installed at 33/11 substaion under edd bah. - comprehensive maintenance for six months of custing 11 kv vcr installed at 33/11 kv sub-stations scope of work for comprehensive maintenancea) miantenacne, repairing. testing & overhauling of 11 kv switch gear if required or twice in six months(b) in case if any fault occurs shall be attended by highly technically qualified and experience staff within 3/4 hour after information given to the working agency.c) if required any spare of 11 kv switch gear provided by the working agency such as spout-bus. spout line, bushing epoxy or ceramic. bushing rod copper, tulip contact, vacuum interupter with bearing of operating mechanism, charging drum, spout connection, arching chamber, busbar connector, tripping coil, repairing of defective relay etcnote: all above required spare parts and hardware will be provided by the working agency at the time of fault, some items such as relay, ct & pt will be arranged by the department