PROVN OF 01 RMU AND HT UG CABLE ALONGWITH CONNECTED ITEMS FOR INTER CONNECTING FEEDERS 3 AND 4 AT MORAR CANTT UNDER GE GWALIOR

Supply , install, testing and commissioning of 11kV 630 Amp SF6 insulated 4 way Ring Main Unit (02 Nos SF6 Circuit breakers Incoming & 02 Nos VCB Outgoing) of Outdoor type (IP 54), Motorized operated, One side extensible with PT panel / Metering enclosure, consisting of copper busbar in SF6 insulated 304 (Non-Ferrite Non-Magnetic Grade) stainless steel enclosure of thickness 2.5mm with manometer fixed on the tank. The Breaker shall have mechanical ON /OFF indicator with hand trip device and spring charging, spring release coil, auxiliary switch of 2 NO +2NC. The HV switchgear and control gear should be confirming to IEC-62271-100, 200. The RMU gas tank should be internal arc tested for 21KA for 1Second with IAC-AFLR classification for gas tank and Cable chamber. The complete RMU mimic and cable chamber shpuld be covered by a single door to have ingress protection of minimum IP54. The RMU design should support site replaceable HT cable bushing and VI of VCB should be RMU Manufacturer’s own make. All the type test certificated as per IEC from Third party lab to be submitted. RMU Should have followings: - Rated voltage 12 kV, Rated power frequency withstand voltage 28 kV for 1 min, Rated lighting withstand voltage 75 kVp, Rated peak current 52.5 kA, Rated short time current 21 kA for 3 sec, filling pressure 0.4 Bar. - 1 no. microprocessor based Self powered numerical relay with over Current/ earth fault & short circuit protection with each VCB feeder. - 3 Nos. Protection CT shall be of Burden 2.5VA, ratio 100/1A, Class of Accuracy class 5P10 for O/C and E/F protection for each VCB. -3 Nos. Metering CT shall be of Burden 2.5VA, ratio 100/1A, Class of Accuracy class 0.5

(CT ration is indicative and may vary during detailed engineering ) - 1 No. Manometer for each tank -1 nos. Voltage passage indicator for each feeder. - 11KV/V3/110V/V3 PT for metering purpose with 20 VA & Accuracy class 0.5. -Right angle boots for all the feeder Modules - multifunction meter having A, V, PF, active power etc for each VCB feeder. - VCB module should confirm to O-0.3Sec-CO-3min-CO operating sequence. - VCB modules should confirm to 10000 mechanical operation without any Maintenence. - Basic insulation level of complete system shall be 28KV(RMS)/75KV(Peak) 1 set 1000VA, 11KV/230V , Auxiliary PT for Battary & Charger 1 Set 12VX2-24V Battary & Charger for motorized operation. NOTE :- RMU shall be placed on PCC plateform of size and design recommended by manufacturer and the cost of the same shall be deemed to be included in unit quoted rates.

Supply laying & testing cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty)with stranded aluminum conductor,11000 volts grade, of size 3 core 120 sq mm.

Supply and fix cable jointing kit for 11 KV grade cable for outdoor termination, heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 120 sqmm

Supply and fix cable jointing kit for 11 KV grade cable for indoor termination , heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 120 sqmm

Supply and fix cable jointing kit for 11 KV grade cable for straight through heat shrink type, joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, Al conductor cable of size 120 sqmm

M&L Cable route indicator of size 100mm dia embossed as HT round shaped 10mm thick with marking of 11 KV, HT welded bolted on angle iron of 25x25 of 60cm length grouted in PCC (1:3:6) type C-2 using block size of 150x150x150mm embedded in ground including not exceeding earth work complete all as specified and directed.

M&L for earthing complete with galvanized steel earth plate electrode 60cmX60cmX6mm thick buried directly in ground, earth pit not less than 2.25m deep below normal GL with top edge of the earth plate not less than 1.50 m below GL connected with earth strip 32 x 6 by means of check nuts, bolts, nuts, washers of GI or steel all as shown in plate no. 3 of MES sch. Pt 0I, connected to main switch board all as specified and testing on completion including provision of earth strip protected by galvanized iron 20 mm dia light grade including all excavation, earth work, PCC, RCC cover, watering by funnel etc. complete including testing on completion complete all as specified directed

M&L Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique & necessary machine including HDPE pipe of 150 mm dia suitable for 0.4 Mpa working pressure.

M & L for GI Pipe light grade complete with fittings laid in floor/ trenches/ wall as cable protection of 100 mm dia all as specified and directed.