tender for maintenance, repairing, testing and overhauling work of existing 11 kv vcb installed at 33-11 kv substations under edd, sikandra, agra - comprehensive maintenancefor six months of existing 11 kv vcb installed at 33/11 kv sub-stations. 2 scope of work for comprehensive maintenance.a) 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 etc.note :-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.