bids are invited for repair, maintenance, and installation of plant/ systems/equipments (version 2) - industry unit; substation; buyer-dismantling of defective 36kv vcb at 33kv spare bay including disconnection of jumpers from isolator & cts, control cable & earthing removal; shifting to store using hydra. hiring of hydra for shifting of damaged 33kv vcb from site to store and bringing new 33kv vcb to site. modification of vcb support structure using new angle iron pieces with hired welding machine, cutter, and welder. (angle iron provided by department) erection of new 33kv vcb on the modified structure, aligned with chassis, using hydra. jumpering from 33kv side bushing to vcb via 33kv la, cts, and from vcb to 33kv bus side isolator. termination of control cables, earthing, and trip test of vcb to complete the job at 33kv blue star bay. misc. work like wiring of damaged & burnt circuit in control panal among many equipments.