Uttar Pradesh Jal Vidyut Nigam Limited Tender

Complete Overhauling of 07 nos. of 0.4KV , LT OCBs installed in unitsat AVR floor and in LT room of Hydel Obra Power Station, Obra, Sonebhadra. (A) Thorough and complete overhauling of Circuit breakers:- 1. Dismantling and cleaning of all its part by opening the trolly. 2. Alignment of moving and fixed contacts including oiling and greasing of movable parts. 3. Supply and Replacement of all parts by new parts like fasteners (bolts & nuts , screw and washer, gasket, finger guide ring, ,angus rubber, plunger pin etc) , tank bakelite ring, teflon locating disc , locating cap, insulating cap, finger contacts, finger spring, base plate male, lever spring with new one . Besides the above other parts namely: trip bridge assembly , plunger , roller asssembly , tripping coil , male contacts, female contacts, parmali strip , trip bar pin etc also shall be replaced. centrifusing of oil shall be done. 4. Assembly of all the component, trolly etc. (B) Testing of breakers for smooth electrical/ mechanical tripping, alarm and annunciation system, loading and unloading mechanism of the trolley and smooth operation of the breaker to be done in presence of UPJVNL representative.