tender for work of supply, installation, testing and commissioning of auxiliary electrical feeder panel 1st floor electrical room at dr. r. n. cooper municipal general hospital, vile parle- 1 work of supply, installation, testing & commissioning ofauxiliary electrical feeder panel 1st floor electrical room at dr. r. n. cooper municipal general hospital, vile parle 2 3 noss. single core cu pvc insulated flexible cable of 150sq.mm. for phases & 1 single core cu pvc insulated flexible cable for neutral of 70 sq.mm for 250amp tpnss switch. 3 3 noss. single core cu pvc insulated flexible cable of 95 sq.mm.for phases & 1 single core cu pvc insulated flexible cable for neutral of 50 sq.mm for 200 amp tpnssswitch. 4 415v main distribution panel 1 short circuit reating 50ka for 1 sec. 400a (thermal magnetic overload, short circuit release) mccb with rotary operating mechanism as incomer with digital ammeter, voltmeter with selector switches, phase indicatinglamp with required accessories, 1nos. 63a, 1nos. 80a, 2noss. of 100a, 2noss. 160a & 2noss. 200a (total 8noss.) mccb of short circuit rating 25ka for 1 sec. as outgoings. 5 40 x 40 x 5 mm of m.s.angle. 6 1st category al armoured cables frls outer sheathed- 3.5c x300 sq.mm 7 cable end termination for copper cables – 3.5c x 300 sq.mm 8 earthing station with 600 mm x 600 mm x 6mmgalvanised iron plate & 50 mm dia. g.i. pipe, 3000mm long gi pipe (class b or better) earth pit as per is 3043. the earth pit shall be provided with watering pipe (class b) with wire messed funnel, 25x3 gi strip/ / 2x8swg g.i. wire up to chamber (wire or strip size as per fault level), disconnecting links with 600 x 600 mm (clear) rcc chamber & heavy duty 3mm thick ci chequered plate cover with hinge & stainless steel bolts. bentonite/ charcol & salt shall be provided for earth pits. excavation, back filling, removal of excess soil is included in the scope 9 supply of galvanised steel flat 30x3 mm thick from earthelectrode directly in ground as required. hot dip gi strip, cross sectional area of 90mm square according to din en 50164-2 (vde 0185 part 202) meets the requirement of vde0185/305(is-iec 62305) zinc coating: 500 g/m square (approx :70 micron coating) should be tested and use exclusively for lightning protection ,earthing system and ring equipotential bonding.