PROVN OF 1 X 250 KVA TRANSFORMER AT NMS UNDER GE (P) PANAGARH

Amount

Supply and install, testing and commissioning of outdoor type step down transformer 11000 vollts copper wound of capacity 250 KVA with standard accessossories complete as mentioned below : The transformer shall be comprising of the following items :- (a) Intial filled transformer oil (b) Oil Conservator (c)Breather with silica Gel (d)off load tap changer position with varriation of 2.5% (e)Thermometer pockets with thermomenter (f) Explosion Vent (g)Oil drain plug (h) Air vent plug etc. Connecting up HT & LT cables complete all as directed and as specified by Engr-in-Charge(Trolly mounted).

M&L for Trolly for transformer of size 2.8 X2.5 m made out of mild steel angle/ channels medium weight beam & MS flates with necessary welding in any position drilling in hot/cold etc for longitudinal and cross members of trolly made out of ISMC channels 100 and top of the members covered with 6mm thick MS plateform and vertical support over the plateform with MS equalangle of size 50 X 50 X 6 mm thick angle with MS flate 50 X 5 mm thick for two run of bracing the support, V type towing frame with hook with spring and check nuts and mounting brackets with bush for two assembly. The assembly made out of ISMC channel 100 with long and cross member, turning plate assembly fornt wheel only fitted in front axle, the front and rear axle made out of medium weight beam ISMB 100 including tyre with tube F 78 - 15 8 ply rating four nos with wheel drum, mounting bracket, bearings, check nuts, locknuts key etc. welded with medium beam with nut bolts washers as required for mounting the Transformer all as specified and directed by Engr-in-Charge.

Supply and Install of HT 11 KV, 3 Phase, 50 Hz, highest system voltage 12 KV, short time current rating is not less than 18.4 KA for 1 second totally enclosed metal clad switch gear complete with indoor type vacuum circuit breaker having rupturing capacity 250 MVA overload and earth fault protection ammeter, voltmeter and of rating upto 400 Amps (One incoming and one Outgoing VCB in metering room for incoming Electric supply from state electricity board)

Supply only XLPE insulated, screened, PVC beded, galvanised steel strip or wire armoured, electric power cable (Heavy duty) with aluminium conductor, 11000 Volts earthed grade cross sectional area 95 sqmm, 3 core complete all as specified and directed by Engr-in-charge.

Supply only XLPE insulated, screened, PVC beded, galvanised steel strip or wire armoured, electric power cable (Heavy duty) with aluminium conductor, 11000 Volts earthed grade cross sectional area 240 sqmm, 3 core complete all as specified and directed by Engr-in-charge.

Supply and Fixing cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination, heat shrink type, joint complete with jointing meterial and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 240 Sqmm complete all as specified and directed by Engrs-in-Charge.

Supply and Fixing cable jointing kit for 11 KV (Earthed) grade cable for indoor termination, heat shrink type, joint complete with jointing meterial and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 Sqmm complete all as specified and directed by Engrs-in-Charge.

M&L for Earthing complete with galvanised steel earth plate electrode 60 X 60 X 6 mm thick buried directly in ground (earth pit not less than 2.25 mtrs deep below ground level) with top edge of the plate not less than 1.5 mtrs below normal ground level, connected to galvanised earth lead GI strip 32 X 6 mm by means of bolts, nuts, check nuts and washersof galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test point all as specified or indicated includated, including testing on completion.

S&F Outdoor type Bus bar chamber of size (Height x Width x Depth) 1000 x 800 x 700 mm of 4 strip aluminium busbar of size 400 Amps rating for phase and neutral, 1000 m long duly fixed on porcelain insulator made out of 3.15 mm thick MS sheet and with proper weather protection (rain protection canopy) having four legs of 1.5 mtr with angle iron 80 x 80 x 5 mm thick on floor with PCC foundation 450 x 350 x 250 with type B1 (1:2:4) (using 20 mm crushed stone aggregate), duly powder coated paint having two parts front & back openig door including earth terminal point, cable connection and including one three pole MCCB 250 Amp 36 KA as incoming complete all as specified and directed by Engrs-in-Charge.

Bcpl Railway Infrastructure Limited

SRI HARSHITA ELECTRICALS

BANSAL CONSTRUCTION