PROVN OF HT VCB AT 11 KV AND OTHER CONNECTED WORKS AT FORT CANTT ALLAHABAD UNDER GE (EAST) ALLAHABAD

Amount

Supply, install, commissioning and testing HT 11 KV 3 phase 50 HZ totally enclosed metal clad switch gear with mechanical interlock and automatic safety shutter gear including pad locking arrangement complete including vacuum circuit breaker (indoor type) having rupturing capacity 350 MVA, motor operated having closing and tripping push-buttons and mechanical breaker 'CLOSED/OPEN', 'SPRING CHARGED/DISCHARGED' indications. The circuit breaker (incomer feeder) comprising of :- (a) Vaccum Interrupters assembly. (b) Shunt trip coil of 24 V DC. (c) Breaker operated auxillary switch - 04 Nos. (d) Indication lamp RED and GREEN for 'ON/OFF'. (e) CT 300/150/5/5A. (f) Copper Bus bar 800 Amp - 03 Nos. (g) PT Draw-out Dry type 11 KV /110 V 100 VA Burden indication. (h) IDMT relay with 3O/C+1E/F.

Supply, install, commissioning and testing HT 11 KV 3 phase 50 HZ totally enclosed metal clad switch gear with mechanical interlock and automatic safety shutter gear including pad locking arrangement complete including vacuum circuit breaker (indoor type) having rupturing capacity 350 MVA, motor operated having closing and tripping push-buttons and mechanical breaker 'CLOSED/OPEN', 'SPRING CHARGED/DISCHARGED' indications. The circuit breaker (outgoing feeder) comprising of :- (a) Vaccum Interrupters assembly. (b) Shunt trip coil of 24 V DC. (c) Breaker operated auxillary switch - 04 Nos. (d) Indication lamp RED and GREEN for 'ON/OFF'. (e) CT 150/75/5/5A. (f) Copper Bus bar 800 Amp - 03 Nos. (g) IDMT relay with 3O/C+1E/F.

M & L for earthing complete with galvanised steel earth plate electrode 600x600x6mm thick directly buried in ground (earth pit not less than 2.25 m deep below ground level) with top edge of earth plate not less than 1.5m below the ground level connected to GI earth strip 25mmx4mm (7.5 m long) by means of bolts nuts check nuts and washers of galvanised iron at 2 points & GI pipe 40 mm bore light grade for protection of earthing wire PCC chamber 1:3:6 (type C-1) using 20mm graded stone aggregate, watering pipe 20mm bore light grade, funnel with wire mesh, and mild steel angle iron frame 40mmx40mmx3mm and 50 mm thick precast cover of RCC 1:2:4 type B-1 using 20mm graded stone aggregate reinforced with 8 mm dia TMT bars at 150 mm centre to centre both ways and charcoal dust and common salt all as shown in electrical plate No. 3 of MES SSR part-I and including excavation & earth work & connecting the earthing point/equipment and testing complete all as specified & directed. (Note- The cost of GI strip and protection pipe upto test point shall be deemed to included in quoted rate of this item.)

Supply and fixing indoor type cable end termination joint heat shrinkable type 11 KV suitable for sizes XLPE cable 95 Sqmm 3 core complete all as specified and directed. Make :- M Seal/Reychem

Supply and fixing lightning arrestor suitable for 11 KV grade,non linear resistance type, complete with all fitting transmission class for outdoor discharge capacity 65KA, complete all as specified and directed.

R.K.ASSOCIATES

Titco Electricals