SPL REPAIR FOR REPLACEMENT OF HT OCBS INTO HT VCB S FOR VARIOUS LOCATIONS AT JHANSI CANTT

Amount

Supplying, installing, commissioning & testing HT 11 KV, 3 Phase 50 Hz, rupturing capacity 350 MVA, indoor type, totally metal clad with-drawable type Vacuum Circuit Breaker outgoing panels with copper bus bar of suitable rating horizontal isolation type VCB of capacity 630 Amps rated current as per IEC 62271-100-200. The switchgear panel shall be of sheet steel construction with CRCA sheet not less than 2.5 mm thickness for load bearing section and not less than 2 mm thickness for non-load bearing section and shall be totally dust and vermin proof. The panel shall be tested for IAC level 25 kA No of operation of Vacuum Interrupter Bottles for better performance :- (a) Mechanical life – 30,000 cycles (b) Rated electro -mechanical operations – 10,000 Cycles (c) Rated Short Circuit current – as per IEC 622271-100-200. VCB parameters are as below: (i) Rated voltage level/PF withstand voltage/Impulse level 12KV/28KV/75 KVp (ii) Continuous current rating minimum 630Amp (iii) Short circuit withstand current rating minimum 25 KA for 3 seconds (iv) 01 No. minimum 630 amps horizontal draw out type vacuum circuit breaker in 12 KV metal clad floor mounted panel complete with following : - (a) Manually & motor operated(230V AC,50 Hz) spring charged type, manually and electrically open (electrical (220VDC) operation type, incorporating mechanical as well as electrical ON/OFF indication “OFF’ push button, test/service position limit switches, with minimum 6NO+6NC breaker auxiliary contacts in C5 service position.

Design, Fabricate, Supply and fix of 33 KV indoor type control & Relay Panel for 33 KV PCOB comprising of various protection relays meters, indicators & Misc items such as Breaker control switch, emergency push button, test terminal block, toggle switch, sockets, bulb, hooter, bell, door switch, space heater etc complete all as specified and directed.

Supply, installation, testing and commissioning of indoor type floor mounted HT 33 KV, 3 Phase, 50 Cycles Totally enclosed metal clad SF6 switchgear panel comprising of VCB having rupturing capacity 250 MVA, complete enclosed in metal clad cubicle made out of 2.0 mm thick CRCA sheet with front and rear accessible doors with locking arrangement, dust and vermin proof, duly powder coated, totally enclosed, free standing floor mounting type, compartment based having protection IP4X externally and IP2X internally. The panel shall be easily extensible on either side and should be provided with 3 phase 800 Amps copper bus-bar with heat shrink PVC sleeves insulation, continuous earth bus at the bottom of the panel capable for carrying full short circuit current for 3 sec including necessary internal copper connections, small wiring, AC / DC control wiring, HT/LT fuses etc complete. The panel shall be conforming to IEC 60295 & 60694/ IS:13227 complete all as specified and directed.

Supply and installation of 33 KV, single phase out door oil cooled CT of ratio 400/5-5 Amps, class 1.0/5P10, burden 15 VA complete all as specified and directed.

Supply, Installation, connecting, testing and commissioning of 33 KV, single phase, outdoor oil cooled PT of ratio 33KV/rt3/110V/rt3/110V/rt3, class 0.5-3, Burden 50 VA-50 VA including complete all as specified and directed.

Supply, laying & Testing in replacement of PVC insulated, PVC sheathed cable galvanised steel strip or wire armoured, electric control cables Heavy Duty) with stranded copper conductor of size 12 core 4 sqmm for CT (33 KV PCOB to C&R Panel for protection) complete all as specified and directed.

Supply, laying & Testing in replacement of PVC insulated, PVC sheathed cable galvanised steel strip or wire armoured, electric control cables Heavy Duty) with stranded copper conductor of size 12 core 2.5 sqmm for CT (33 KV PCOB to C&R Panel for AC/DC) complete all as specified and directed.

Supply, laying & Testing in replacement of PVC insulated, PVC sheathed cable galvanised steel strip or wire armoured, electric control cables Heavy Duty) with stranded copper conductor of size 3 core 2.5 sqmm for CT (33 KV PCOB to C&R Panel for AC/DC) complete all as specified and directed.

Supply and install in replacement of Battery Backup bank of capacity 30 Volts, 100 AH with 15 Nos of 2 Volts Batteries including necessary inter battery connectors, hardware etc alongwith suitable stand made up of MS angle iron, flat, sheet etc and painting with two coats of synthetic enamel paint over a coat of red oxide primer along with suitable battery charger complete including taking down unserviceable battery bank complete all as specified and directed.

Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminium conductor, 11000 volts grade, of size 3 core 95 sq mm complete all as specified and directed.

M&L for Cable jointing kit for 11 KV (Earthed) grade cable for outdoor end termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as specified and directed.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits,manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out in any type of soil for laying of cables/ for erection of poles/ for stay assembly etc complete all as specified and directed.

Supply and spread M-sand in trenches for cushioning of cable complete all as specified and directed. Note: Punned down thickness only shall be measured for the purpose of payment.

Returning, filling in trenches including spreading, leveling, watering and well ramming in layers not exceeding 25cm complete all as specified and directed.

Supplying and laying in replacement of un-reinforced precast concrete cable cover, class HVP, type 1 with peak, size 300mm x 180mm x 40mm for cable protection in trenches complete all as specified and directed.

Removing surplus excavated material to a distance not exc 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

Supply and fix of UPS with internal batteries for 30 min back up single phase AC input 160 to 260 V and out put 230 ± 1% of capacity 2 KVA complete all as specified and directed.

M&Lfor Earthing complete with galvanised steel pipe electrode, 40 mm bore medium grade medium grade, 15 meters length bored & burried directly into ground and preferably vertically in ground with top edge not less than 13.75 meter below the ground level connected with earthing lead of 32x6 mm galvanised iron strip all as shown in Plate No. 2 to the eaarthing test point all as specified or indicated and testing on completion including provision of earth srtip protection by 32x6 mm strip,medium grade GI pipe and watering pipe shall be 40 mm bore medium grade GI pipe including boring & earth work, PCC pit with RCC cover with handle, charcoal, salt, funnel, complete all as specified and directed.

M/S Kumar Contractors

M/S Kharya Associates