work of complete repairing and general overhauling and replacement of damaged parts of vcb established at 33 / 11 kv nagla choora and luhari s / s under the jurisdiction of electricity distribution division, firozabad- 1 overhauling of 11kv vcb stelmec / crompton make and others makes which installed at sub-stations. 2 insulation paint inside of 11kv vcb stelmec / crompton make panel and oval epoxy items i.e. c.t. driver insulators, c.t. & bus bar side spout and vaccum chambers etc. 3 replacement of tripping assembly complete housing and plunger suitable of 11 kv vcb stelmec / crompton / bhel make. 4 replacement of auxiliary switch. 5 replacement of jack rod with complete set of mechanism suitable for 11 kv stelmec / crompton / bhel make vcb. 6 replacement of charging gear complete set with lead screw along with bearing suitable for 11 kv stealmec / crompton / bhel make vcb. 7 overhualing of busbar including providing proper insulation using expire h.t. tape etc. 8 testing of o / c and e / f of 11 kv vcb through primary injection set. 9 wiring of panels. 10 11kv vcb’s panel amp. meter / volt meter / selector switch / indicators blowing lamp t&c switches etc as required suitable for 11 kv stelmec make vcb.