tender for work of 11 kv vcb / ocb maintenance 33 / 11 kv sub-station bhadedu and chhibbo under edd-rajapur- 1 comprehensive annual maintenance for 11 kv vcb / ocb at 33 kv s / s. scope of work for comprehensivemaintenance. ( a ) general checking and preventive maintenance of 11 kv switch gear twice a year. ( b ) in case any fault occurs shall be attended by highly technically qualified and experienced staff within 3 hour after information to the contractor. ( c ) in case of any damaged to switchgear all moving & fixed parts will be replaced / repairing by contractor replacement include ct, spout-bus, spout-line, bushing-epoxy or ceramic, tulip contact, charging gear with bearing of operating mechanism, charging drum, spout connection, arching chamber, chamber, busbar connector, electrical system etc. repairing of 03 no. relay will be covered. however if relay is found damaged it will be provide by department. 2 work of11 kv vcb / ocb maintenance 33 / 11 kv sub-station bhadedu and chibbo under edd-rajapur