Military Engineer Services Tender

Supply & Fix 33 Kv Outdoor VCB, 1600A , 31.5 kA with CB Structure with motorized (230V AC), closing & tripping coil 24 V DC 33 KV single feeder control & relay panel, Motor 230V AC (Aux. Supply 24DC),Local/Remote Selector switch, Panel illumination lamp LED, Toggle switch for heater and Socket, Space heater with rating 80W 230 VAC as per following specification complete all as specified & directed. Technical specification 1.Rated Voltage:- 33 KV 2.Maximum (continuous ) Rated Service voltage:- 36 KV 3. Nominal current rating (a) Under normal conditions :- 1600 A (b) Under site conditions specified :- 1600 A 4. Short time current rating 3seconds(rms) :- 31.5kA 5.Maximum temperature rise over ambient :- Within limits of IS-13118/1991 6. Breaking Capacity(Rupturing Capacity) (a) Symmetrical :- 25 kA (b) Symmetrical at rated service voltage :- 1000 MVA 6. Making capacity :- 62.5KAp 7. Total break time (a) At 10% rated interrupting capacity :- 80ms max. (b) At rated interrupting capacity :- 100ms max. 8. Arcing time :- 20 ms Make time:- 100 ms 9. Minimum reclosing time at full rated nterruption from instant of trip coil enerzisation :- 400 ms 10.Shunt Trip- 24 VDC, Closing coil-24 VDC

S&F Framed brackets of angles or tees with web and flanges cut to shape, drilled and countersunk for screw, including bending and welding angles, as necessary, gusset plates, riveting, etc. n exc 10 kg each brackets, conforming to Fe.290.Gde-E-165 (Brackets over 10 kg each including necessary nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape and size as directed and including applying two coats of aluminium paint (under & finishing coats) over and including a coat of red oxide zinc chromate primer on exposed steel surfaces after preparation of surfaces complete all as specified and directed. (Note: - (i) Sizes & types of members and shape of the cross arms etc shall be as required at site all as directed by the Engineer-in-Charge. (ii) Un-exposed steel surfaces shall be given one coat of red-oxide zinc chromate primer only. Cost of the same is included in unit rate of the item and nothing extra shall be paid on this account.)Framed brackets of angles or tees with web and flanges cut to shape, drilled and countersunk for screw, including bending and welding angles, as necessary, gusset plates, riveting, etc. n exc 10 kg each brackets, conforming to Fe.290.Gde-E-165 (Brackets over 10 kg each to be measured under 'Structural Steel').

Earthing complete with GI plate electrode of size 60cm X 60cm X 6mm buried directly in ground vertically at a depth not less than 2.25 metre below normal ground level with top edge of earth plate at a depth not less than 1.5 metre below normal ground level surrounded from all sides by 15 cm thick and packed layer of charcoal dust and common salt filling in alternate layers etc and connected to and including GI strip of size 32x6 mm up to 7.5 mtr by means of bolts, nuts, check nuts and washers made of brass and protected by light grade 40mm dia upto 7.5 mtr long GI pipe connected to main control board and GI pipe light grade 20mm bore for watering and including funnel, wire mesh, RCC pit cover 50mm thick and PCC chamber pit with PCC 1:2:4 type C2 (including excavation and earth work disposal of surplus soil to a distance not exceeding 50 metre) and testing after completion all as specified and shown on plate No 3 of SSR Part-I 2009 including taking down old unserviceable and making test point and all connections complete all as specified & directed by Engr-in-charge.