refurbishment of led light pole at ymca ground in e ward- 1 removal of fixtures / fittings / ceiling fans / bulkhead / street light / gyeser etc. 2 63 amp. tpn mcb 3 16/32 amp. dp mcb 4 s1st category alarmoured cables frls outer sheathed- 4c x 10 sq.mm sq.mm 5 submains frlsh casing n caping - 2 x 2.5 sq. mm + 1 x 2.5 sq. mm earth wire in 20 x 12 mm (1/2 in 6 sitc led flood light fitting -150 w 7 excavating the trenches and refilling,reinstatement of the same after the cable is laid in approved manner (750 mm deep, 600 mm wide),in all types of soils 1 cu. mtr. = 2.2rmt. 8 supply & laying of double wall corrugated ( dwc) pipe 50 mm od / 38 mm i.d. 9 earthing station with 600 mm x 600 mm x 6 mm galvanised 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 10 25 x 3mm gi 11 bare g.i. conductor size 10 swg