PROVISION OF ONE 40 KVA APFC PANEL AT RAMESWARAM AND PROVISION OF QTY 05 CHEMICAL EARTHING PIT AT KANYAKUMARI UNDER GE AF TRIVANDRUM

Amount

Supply installing, testing and commissioning of Automatic Power Factor Correction (APFC) panel indoor type CPRI type tested factory made of 40 KVAR capacity ready to use design confirming to IS 5039/ IS 8623 and relevant IS/ IEC Codes rated for short circuit rating of 50 KA, front openable and lockable by keys having louvers and air vent, gasket and totally vermin proof and suitable for 415/440 V, 3 phase 50 Hz, AC and housed in elegant enclosure fabricated from minimum 2.00 mm thick CRCA sheet and min 1.6 mm thick for partitions anti corrosive coating to improve power factor to 0.99 and finally powder coated in texture siemens grey RAL 7032 both internally and externally & as directed by Engineer-in-Charge comprising the followings:-

200 Amp capacity for phase and 100 amps for neutral, Copper bus bar duly insulated with colour coaded heat shrinkable sleeves and mounted on suitable DMC/epoxy insulators. (b) A set of heavy duty, capacitor, type MPPH, 440 volts, box type, with output 40 KVAR capacity, capacitor bank in 6 steps of 40 (5+5+5+5+10+10) KVAR in any configuration to accommodate all possible set ups. (c) MCB's TP, 'C' series, 415 volts, of required sizes with required numbers and suitable ratings as per the capacity of capacitors .

Auxiliary contactor with required quantity of 'NO & NC' (l) Auto/ Manual switch-01 No. (m) MCB for line protection as per requirement and as approved (n) Indicator lamp LED based with lamp holder 2 Nos for each capacitor for ON/OFF position (p) Current transformer (CT) of ratio 100/5 amps , measuring class accuracy 0.5 to 1.0 for capacitor panel. (q) Incoming MCCB capacity 100 amp , 4 pole, 415V, 50 Hz 16 KA fixed manual type - 1 No. (r) Detuning reactor of suitable size shall be provided to maintain THD less than 7 percent. (s) ON/OFF push buton for each capacitors.

Earthing complete by using GI earth plate electrode 60cm × 60cm × 6.0 mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to using GI earth strip of size 32mmx6mm by means of bolts, nuts, check nuts and washers etc made of galvanised iron and protected by galvanised iron light grade 40 mm bore & 20mm dia galvanised medium grade for watering and including funnel, wire mesh,including CI pit cover with frame over PCC chamber with PCC 1:3:6 type C2 including excavation and earth work, disposal of surplus soil to a distance not exceeding 50 m, charcoal, lugs, common salt complete all as specified and as shown on plate No.3 of SSR Part-I .

Supply laying testing of XLPE insulated screened PVC bedded galvanised steel strip or wire armoured electric power cables (heavy duty) 1100 V grade with stranded aluminium conductor confirming to IS 7098/1985 ISI marked including necessary glands, lugs etc of sizes 3.5 x 25 sqmm al as specified.

Supply of "Earthing sets" comprising of 17.2 mm dia 3 mtr long Earth electrode of low carbon steel electrode with 250 micron copper bonding & 1 bag of Eco-safe Based environment friendly backfill and suitable clamp, Back-fill earthing enhancing compound should strictly be a Eco Safe Carbon based conductive concrete type which has a resistivity of less than 0.12 Ohm Mtr as per Clause 15.5 D of IEEE : 80 standard.Back-fill compound should be electronically conductive ( Like in metals ) and should not depend on moisture for conduction, size of bore not less than 80mm dia, 12 feet deep, complete all as specified and directed. Back-fill compound should be environment friendly, should solidify when mixed with water and set like concrete and should not leach / diffuse into the ground.Back-fill compound shall not be mixed with any soil while pouring in the bore hole. Test Certificate as per as per IEC : 62561-7 for Back-fill compound shall be submitted along with the material including PVC earth pit cover.

Supply & fix test link with FRB junction box in order to disconnect the earth termination system for enabling measurements and to connect Round Conductor to Flat to meet the requirement of IS/IEC - 62305 complete all as specified and as directed.

Supply and fixing of of 25 X 3 mm Copper strip in ground/ walls & roof with saddles all as specified.

CHITHRANI TRADERS