electrification of battery room in dm plant roof top solar power plant for spp of alumina refinery , nalco , damanjodi , supply & installtion of led luminaire equv . to 2x4ft t8 tubelight , supply & laying of 25mm x 6mm gi earth strip & 8 swg gi wire as per the requirement along trenches including excavation , cutting and fixing to wall , embedding inside wall and floors , welding at joint , providing anti-corrosive paints of bitumen and jute covering for welding clamping , necessary hardware to carry out above jobs etc . , including all labour and material complete as required and as per the direction of the eic . , 25x6mm gi earth strip , 8 swg gi wire , concealed wiring of light/fan point with 2 . 5 sq . mm . multistrand copper wire with difference colour for line , neutral and earthing . supply , laying and wiring with 2 . 5 sq . mm multistrand copper wire of approved quality in 25mm block pvc pipe and 2 height jb with 01 run 1 . 0 sq . mm copper wire ( green colour ) as continous earth . wiring shall be done from power distribution board to switch boards specified at 8 below and from switch boards to exhaust fan ( s ) , led tube lights , wall fan ( s ) & sockets . each light and fan point shall be controlled by one switch . all materials shall be supplied by the party and work shall be carried out as per the direction of the eic . , short point ( up to 3m ) , long point ( up to 10m ) , extra long point ( above 10m ) , earthing: supply , installation , testing & commissioning of class-b gi earth electrode of 50mm dia , 3m long medium duty complete with rcc cover and with all necessary material including excavation of earthing pit , filling with layer of charcoal and salt , back filling and providing necessary brick work slab cover , connection with gi strips with complete material as required and as per direction of the eic . all earth pits shall be inter-connected to form an earth grid as per ie rules . funnels are to be provided with wire mesh of suitable size . , supply , installation , testing & commissioning of 1 phase 300mm 220/240 v heavy duty exhaust fan of cg/bajaj/khaitan make including making hole on walls providing necessary bracket/supports for fixing the fan , making necessary connection , providing gravity drop louvers etc . finishing the hole with necessary civil works as per direction of the eic . , wiring to 15a plug points with 6 sq . mm . multistrand pvc insulated single core copper conductor wire including supply of 15a switch and socket ( 5 pin ) in 25mm block pvc conduit pipe with one run of 2 . 5 sq . mm copper wire ( green colour ) as continuous earth with required size of 16 swg ms box 3mm thick white hylam cover and including 4 nos steel screws and cup washer complete with fitting as per direction of the eic . all materials shall be supplied by the party and work shall be carried out as per the direction of the eic . , supply , installation , testing & commissioning of sdb incomer 63a tpn mcb 10ka-01no , outgoing sp load contact mcb 16a-12nos , busbar-1set . pre- wired , ready to use complete lighting distribution board . , supply , installation , testing & commissioning of 8 x 6 ms/gi of switch boards with bakelite cover on existing wall/any other surface approved by engineer-in-charge with supply of all materials for fixing switch/socket/regulator and making necessary connections of switch boards , installation and testing of 5a switch on switch board ( material shall be supplied by party . ) , laying of cable 3 . 5 c 35/50 sq . mm: issue from central stores , shifting to site and laying of following size cable along the existing cable trays / through wall and clamping of the cables to the cable trays as required at every 1 meter with aluminium clamps ( supply of clamps in partys scope ) as per the directions of the engineer- in -charge . , supply of dc glands and termination of above cable of size 35/50 sq mm .