PREVENTIVE MAINTENANCE AND REPLACEMENT OF UNSV INDOOR TYPE VARIOUS CAPACITY OF 11KV RETROFIT VCB AT JETTY SIDE DISTRIBUTION SUBSTATION AND 132 KV MRS AT NAVAL DOCKYARD VISAKHAPATNAM UNDER GE (I) (DM) VISAKHAPATNAM

Amount

S & F Retrofit of VCB breaker trolley suitable with the following specification for the existing HT panel Schneider make, HWX Model, 11kv ,630A vacuum circuit breaker panels. Rated Voltage / insulation level -12KV Rated Frequency - 50 Hz Rated Current - 630 A Rated Short Time Withstand Current - 25kA / 31.5 kA for 1 Sec. Type - Floor Mounted & Horizontal Drawout Insulation level: 12/28/75 KVP Spring Charge Motor - 240 V AC Closing Coil - 110 V DC Tripping Coil - 110 V DC Make: Schneider/ABB/Siemens/PASCAL Note :- (a) The VCB trolley should match the existing panel with the above approved makes of breaker trolley. (b) The supplied Breaker trolley shall give trouble free performance for a period of 36 months from the date of installation complete all as specified and as directed by Engineer-in-Charge.

All as per item No. 1.00 above, but 800A vacuum circuit breaker panels.

All as per item No. 1.00 above, but 1250A vacuum circuit breaker panels.

All as per item No. 1.00 above, but 1600A vacuum circuit breaker panels.

All as per item No. 1.00 above, but 2000A vacuum circuit breaker panels.

All as per item No. 1.00 above, but 2500A vacuum circuit breaker panels.

S & F three Phase, resin cast PT dual core of ratio 11KV/root3/110V/root3/100VA core 1 metering class 0.5, core 2 protection class 5P to be fitted in INCOMER VCB trolly feeding from 132KV/11KV transformer, 11kV side incoming 2500A vacuum circuit breaker panels incl taking down old unserviceablecomplete all as specified and as directed.

Supply and fix single (Read-Blue) phase busbar spout suitable for 630 to 2500A Schneider make 11 KV VCB complete all as specified and as directed. Make- Schneider or equivalent.

Supply and fix single (Y) phase busbar spout for 630 to 2500A Schneider make 11 KV VCB complete all as specified and as directed. Make- Schneider or equivalent

Supply and fix CT Spout suitable for 630 to 2500A Schneider make 11 KV VCB complete all as specified and as directed. Make- Schneider or equivalent

Supply & fixing closing coil assembly 110 V DC to Schneider make 11KV VCB incl necessary connection testing complete incl dismantling taking down unsv one complete all as specified and as directed.. Make- Schneider, Part No- ECO39SN134900FN or equivalent.

Supply and fixing tripping coil 110 V DC to Schneider make 11KV VCB incl necessary connection testing complete incl dismantling taking down unsv one complete all as specified and as directed.. Make- Schneider, Part No- ECO39SN134100FN or equivalent.

Supply and fix Breaker Wheel - CAST IRON, 630 to 2500A Schneider make 11 KV VCB incl dismantling taking down unsv one complete all as specified and as directed. Make-Schneider or equivalent.

Supply and fix spring charging Universal motor with gear box 220V AC For 630 to 2500A Schneider make 11 KV VCB incl dismantling taking down unsv one complete all as specified and as directed. Make-Schneider or equivalent

Supply and fix busbar supporting insulator for 630 to 2500A Schneider make 11 KV VCB incl dismantling taking down unsv one complete all as specified and as directed. Make-Schneider

Supply and fix Rectifier unit (Monoblock) for spring charging motor For 630 to 2500A Schneider make 11 KV VCB incl dismantling taking down unsv one complete all as specified and as directed. Make-Schneider or equivalent

Supply and fix Drive Beam suitable for 11 KV VCB 630 to 2500 Amps incl dismantling taking down unsv one complete all as specified and as directed. Make :- Schneider, Model No MSM3950118600FN or equivalent.

Supply and fix Epoxy Body suitable for 11 KV VCB 630 to 2500 Amps incl dismantling taking down unsv one complete all as specified and as directed. Make Schneider, Model No MEP3953022000FN-22 or equivalent.

Supply and fix Shutter assembly for busbar / circuit spout suitable for 11 KV VCB up to 630 to 2500 Amps incl dismantling taking down unsv one complete all as specified and as directed. Make Schneider or equivalent.

Supply and fixing Schneider Micom P-127 protection relay, 110V, 5A, type-BAOZ112Ca1 to Schneider make 11KV VCB incl necessary connection testing complete incl dismantling taking down unsv one complete all as specified and as directed.

Supply and fixing Schneider Micom P-125 protection relay, 110V, 5A, type-BAOZ112Ca1 to Schneider make 11KV VCB incl necessary connection testing complete incl dismantling taking down unsv one complete all as specified and as directed.

M & L XLPE insulated, screened, PVC bedded,galvanised steel strip or wire armoured,electric power cables (heavyduty) with aluminium conductor, 11000 volts Earthed, grade cross sectional area 240 sq. mm 3 core incl taking down old UNSV cimplete all as specified and directed.

M & L Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 sqmm to 300 sqmm incl taking down old UNSV complete all as specified and directed.

M & L XLPE insulated, screened, PVC bedded,galvanised steel strip or wire armoured,electric power cables (heavyduty) with aluminium conductor, 11000 volts Earthed, grade cross sectional area 300 sq. mm 3 core incl taking down old UNSV complete all as specified and directed.

S & F Digital voltmeter suitable for 132 KV panel as per existing incl taking down old unserviceable one complete all as specified and directed.

Power engineering Associates

VINLEC ENGINEERING

MURALI KRISHNA ASSOCIATES

S R CONSTRUCTIONS