PROVN OF 63 KVA TRANSFORMER WITH THREE PHASE ELECTRIC SUPPLY AND CONNECTED INFRASTRUCTURE AT SALLAR COB OF RR JAK RIF UNDER GE 861 EWS

Supply, laying, commissioning and testing of XLPE under ground HT cable 11000 volts grade (Earthed) of size 70 Sqmm 3 core armoured, PVC sheathed with aluminium conductor heavy duty laid in trenches/fixing on wall with the help of clamps, under road crossing through protection pipe etc complete all as specified and directed.

Supply, laying, commissioning and testing cable XLPE Insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 70 sq mm 3.5 core complete all as specified and directed.

Supply, laying, commissioning and testing cable XLPE Insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 25 sq mm 3.5 core complete all as specified and directed.

Supply, laying, commissioning and testing cable XLPE Insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 16 sq mm 3.5 core complete all as specified and directed.

Supply, laying, commissioning and testing cable XLPE Insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 10 sq mm 3.5 core complete all as specified and directed.

Supply, installation, testing and commissioning of highly energy efficient, out door type oil immersed naturally cooled (ONAN) transformer, copper wound type of capacity 63 KVA as per latest IS code/specification conforming to IS-1180, Level-II with off laod tap changover on primary side to vary secondary voltage within limit (+) 7.5% to (-) 7.5% in step to 2.5% including standard fittings and first filling of transformer oil as per IS-335 of 1980 with cooling system. The transformer shall be provided with cable termination box to terminate outdoor type termination of suitable size on HT side 11 KV & LT side 1100 volt. Transformer step down ratio 11000 volts/433 volts, 3 phase , 4 wire impedance as per oil type, ONAN cooled suitable for outdoor installations and double wound core type with cold rolled grain oriented silicon shell insulated laminations and clamped to minimize vibration for full load current and with stand the thermal and electromagnetic stresses arising due to the through fault current vector group shall be DYN 11 including supply of all standard fittings/fixtures and comprising of the following complete all specified and direced. (a) HT cable termination box. (b) LT cable termination box. (c) Rating and diagram plate (d) Earthing terminal (e) Lifting lugs (f) Oil level indicator with minimum level marking. (g) Thermometer pockek. (h) Conventional conservator with oil filling hole with cap and drain cum sampling valve. (j) Air release plug. (k) Silica gel breather. (l) Off circuit tap changer with locking provision. (m) Bi-directional rollers. (n) Jacking pads. (o) Radiators/Fins and all (Epoxy painted). (p) Danger notice board.

Supply & erecting in truely vertical position new steel tubular swaged pole complete with cast iron base plate finial taper plug, bolts, nuts and screws as specified type 410 SP -55 11 Metre Long Galvanised steel tubular/hexagonal pole Each consisting of pole with anti climbing device. including painting of pole with one coat of primer and applying two coats of aluminium paint and painting strips 30 cm wide with Black and yellow colour alternate up to 1.5 from bottom complete all as specified and directed.

Supply, fixing and testing air break switch gang operated tripple pole mechanically operated mechanism, switch air break gang operated mounted on 15 Nos insulators and steel frame with operating rod of 25 mm bore GI Pipe and locking arrangements worked from ground level for current rating 200 Amps, HT 11 KV grade including drop out fuses and necessary silver coper coating jumpers and making all electrical connections complete all as specified and directed.

Supply, fixing and testing lightening arrestors expulsion type complete with all fittings, transmission class, discharge capacity 65 kilo amp for 11000 Volts complete all as specified and directed.

Supply, fixing and testing pin type, porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers,nut size 150 mm height 150mm dia, 11000 volts grade complete all as specified and directed.