Provision of standy UG power cable between sub station C and station HQ AF Station Mamaura

Amount

Supply , laying connecting and testing XLPE insulated armoured heavy duty with aluminium conductor, 1100 volts grade for the cross sectional area 120 sqmm 3.5 core laid in trench/duct complete all as specified and directed.

S&F in replacement GI pipe 80 mm Medium grade with all fitting laid in trenches or laid in floor/road for cable protection complete all as specified and directed.

Supplying and fixing MCCB, 250 Amps, 4 pole, 415 Volts, AC supply, having breaking capacity Icu = 35/36 KA, 50 Hz with microprocessor release complete all as directed.

M&L for Earthing complete with galvanized steel earth plate 600x600x6mm thick, buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate n.less than 1.5 m below normal ground level, connected to galvanized iron wire 4 mm as earthing lead by means of bolts, nuts, check nuts & washers of galvanized iron or steel besides building at all joints as shown in drgs and including excavation and earth work, GI pipe light grade 25mm bore of protection of GI wire from earth electrode, supply and laying charcoal dust, common salt, PCC (1:2:4) type B-1 Chamber and MS angle iron frame 40x40x3mm and RCC cover 40 mm thick (1:2:4) type B-1using 20 mm graded stone aggregate Reinforced with 6 mm dia round bars @ 75 mm C/C both ways with MS handle 12 mm dia , PGI funnel and wire mesh , 20 mm dia GI Pipe light grade for watering complete all as per SSR and connected to earth test point including testing as directed by Engr-in-Charge.

Excavation in trenches in any type of soil not exceeding 1.5 mtr deep and not exceeding 1.5 mtr wide for laying of cables, RCC poles/stays and struts etc and getting out including trimming sides and forming bottom surface all as specified and directed .

Returning, filling in including spreading, levelling, watering and well ramming excavated soil in layers not exceeding 25 cm thick each, back in trenches after cables have been laid and tested,poles, stays , struts have been erected and tested , all as specified and directed .

Removing excavated surplus soil (Soft/hard soil) obtained from excavation to a distance not exceeding 50 mtr and deposting where directed at a level not exceeding 1.5m above the starting point all as specified and directed.

M & L sand filling in-trenches with clean dry sand unwashed including gently pruning around cables complete all as specified.

M&L for Brick, sub class ‘B’, old size, laid in trenches as in cable protection complete all as specified and as directed.

Unnati Engineers

FUTURE Inc.

Ashirwad Contractor and Supplier