bids are invited for repair, maintenance, and installation of plant/ systems/equipments (version 2) - 400kv s/s 1 shifting of 400 kv new circuit breaker from store to site. the scope of the work involves shifting & loading of breaker from store to site and unloading the breaker at site & other associated work. 2 dismantling of defective circuit breaker, the scope of work invloves opening of jumpers, disconnect the cable termination with sefety & taking out from individual poles, cubical, removal of breaker columns, removal of structure. 3 complete erection of new 400 kv sf-6 circuit breaker along with all accessories. the scope of the work includes installation of structure, breaker columns, installation of poles, marshaling box, jumpering etc. and other associated work. 4 cable laying & termination of existing cables along with new cables between inter poles cabicles to marshaling box, junction box. the scope of work also involves checking of existing cable, connecting the cables with ferruling and heavy duty cable lug and tightening of all inter connection as per drawing along with associated work if any between inter pole wiring with marshaling box of cb. 5 earthing of 400 kv circuit breaker poles with cubical box, structure and marshaling box through 75*10 sq. mm ms flat as per standard/drawing & painting with green color. 6 shifting of the defective circuit breaker poles and other accessories from site to the store. the scope of work includes loading at site, transporting to the store and unloading at dumping yard.