SERVICING MAINTENANCE OF 11 KV VCB AND HT PANELS INCLUDING REPLACEMENT OF SPARE PARTS WITH OTHER ALLIED WORKS AT NEW DOCKYARD AREA SUBSTATIONS AT NAVAL DOCKYARD VISAKHAPATNAM UNDER GE (I) (DM) VISAKHAPATNAM

Taking down HT Switch gear vaccum circuit breaker of capacity 630 Amps to 1200 Amps, 12kv/11KV, Schneider make HWX Model for carrying out following repairs, overhaluing, servicing, preventive maintenance and reflixing the same after carrying out repairs / overhauling complete all as specified and as directed. (a) Tripping off the breaker, rackout the breaker complete from the panel along with trolly for servicing / inspection/ overhauling. (b) Servicing / inspecting/ checking automatic safety shutter operation for service ability and replacement of spares if required. (c ) Servicing /inspecting / checking of busbar spout and circuit spout connections for RYB Phases and replacement of spares if required. (d) checking of breaker ma9in mechanism assembly, fixed contacts and cuurrent carrying parts of the breaker, trolley, insulated asembly etc. (e) setting, reassembling, cleaning adjustment of fixed contacts main contact, acring contact and moving contact for proper setting of auxiliary contacts operatingg mechanism.

(f) Servicing / inspecting / checking of secondary socketd / busbar earthing plugs / earthing sockets and replacement of spares if required. (g) checking, setting and adjustment of rackin and rackout operation of the breakedr trolley. (h) Decarbonising of busbar and connected items. (j) Lubrication and greasing of all moving parts of the trolley, stopper bolt for proper operating. Note : (i) The rate quoted shall be deemed to be include for necessary T & P, Nuts, bolts, washers, gasket, insulation tape, HT Sleeve, monoplast compound to put in to the VCBs and paneles in serviceable condition, testing and commissioning (ii) Replacement of defective parts of the VCB Shall be measured and paid separately.

Supply and fix including dismanting taking out unservicebable buffer (for opening spring ) for 800 A to 1600A schneider make 11 KV VCB all as specified and directed. Make :- Schneider only, Part No - MVIJ00098-01

Supply and fix including dismanting taking out unservicebable buffer (for closing spring ) for 800 A to 1600A schneider make 11 KV VCB all as specified and directed. Make :- Schneider only, Part No - MVIJ00056-01

Supply and fix including dismantling taking out unserviceable breaker wheel - cast iron, for 800A to 2500A Scheider make 11 KV VCB all as specified and directed. Make :- Schneider only. Part No - MVIJ00025-01

Supply and fix including dismantling taking out unserviceable vacuum interrupter of suitable for VCB of capcity 800 - 1600 Amps all as specified and directed. Make :- Schneider only. Part No - VSLVG3002-01, DRCVG2002-01

M&L for THERMOGRAPHIC TESTING of 11KV switch boards with image infrared camera to detect hot spots, to avoid electrical failures and increase safety for all current carrying devices. Visual and Mechanical inspection to be done when load is applied to the system. Use & follow appropriate caution, safety devices, and personal protective equiment. Provide a report which includes the following: 1. Description of equipment tested. 2. Discription of equimpment tested. 3. Identify load conditions at time of inspection. 4. Provide photographs and / or thermo grams.

M&L for painting of outer surface of multiple section of complete VCB panel 11 KV size upto 2M x 1.8M x 0.8M in one substation using one coat of synthetic zinc paint after preparation of surface, providing protection cover to all metering equipment, panel meters and switch gears all as specified and directed.

Supply and fix including dismantling taking out unserviceale HRC fuse - PT HT Side (VTF - 11 , 3A) For 800A to 1600 A Scheider make 11 KV VCB Panel complete all as specified and directed Make - Schneider / Audio Vision / Annanad/unity / Bussmann

M&L for maintenance / servicing of PT unit 11 kv / 110v by disconnewcting and taking out from panel mounted position, checking & cleaning of fixed and moving contact points, cleaning / decarbonising of busbar connections, resin cast PTs using hot blower, CTC solution to the expoxy PT Body , tightening of all nuts, bolts, washers and refixing the same PT to original position, testing complete all as specified and directed.