PROVN OF COMERCIAL POWER SUPPLY TO WEATHER STATION IN TECH AREA AT AF STN AGRA

Amount

Excavation in trenches not exceeding 1.5 Mtr wide and not exceeding 1.5 Mtr depth and getting out in soft / loose soil complete all as specified and directed.

Returning , filling in , including spreading , leveling, watering and well ramming in layers n.exc. 25cm thick in soft / loose soil complete all as specified and directed.

Removing surplus excavated materials to a distance n.exc.50mtr and depositing where directed at level n.exc 1.5 mtr above the starting point complete all as specified and directed

Material and labour for providing sand cushioning with dry fine sand including filling, spreading, levelling in layers in cable trench with approved quality of sand for protection of under ground cable complete all as specified and directed. Note :- Punned thisckness shall only be considered for payment.

M&L laying well burnt old size bricks, sub class "B" bricks locally available, straight or curved on plan , laid flat with width equal to length of brick , laid dry over electric cable for protection all as specified and as directed.

Supplying, laying or fixing, jointing and testing LT under ground electric power cable Crossed linked polyethylene ( XLPE Cable) insulated, two or more core, galvanised steel strip or wire armoured, ISI-7098 Marked, with aluminium conductor multi stranded , heavy duty 1100 Volts grade of 16 Sqmm 4 core size laid in trenches/ laid under floor or fixed naked with walls / on poles/ in ducts /in GI pipes etc.complete all as specified and as directed. Note :- Excavation, earth work, sand cushioning, protection bricks/ tiles/ block,Clamps, nuts , bolts, washers and pipe shall be measured and paid separately under appropriate items ) and directed.

M&L Bus Bar Panel of capacity 200 Amps copper bus bar 04 Nos with fixed on insulator fixed on pole with bracket made out of FI of size 25x3mm-02 Nos including providing new nut, bolt & washers complete all as specified and directed.

Boring of holes under road,pavement hard standing by trenchless technology using ultra sound technique and necessary machine complete all as specified and directed.

M&L for 25 mm dia galvanised water tubing light grade with all fittings for earthing lead protection of under ground /on wall complete all as specified and directed.

Material & labour for earthing with galvanised steel earth plate electrode 60cm x 60cm x 6.00mm thick burried directly in ground vertically at a depth not less than 2.25 metre below normal ground level with top edge of earth plate at a depth not less than 2.25 metre below normal ground level, earth plate surrounded from all sides by 15 cm thick packed layer of charcoal dust and common salt filling in alternate layers and electrode connections by using galvanised iron strip of 25x4 mm as earthin lead (upto the body of the equipment) by means of bolts, nuts, check nuts and washers made of galvanised iron and thimbles and protected by medium grade 40 mm dia GI pipe, connected to main switch board or main control board or equipment and GI pipe medium grade 20mm bore for watering and including funnel, wire mesh, 40mm thick RCC pit cover reinforced with 8mm dia TMT bar at 75mm c/c both ways and lifting arrangement by providing handles (02 Nos) of 12mm dia MS round bar and PCC chamber pit with PCC (1:3:6) type C-1 (using 20mm graded stone aggregate) including necessary excavation and earth work in soft/loose soil, returning, filling in with excavated soil and disposal of surplus spoil to a distance not exceeding 50m and shown in electrical Plate No 3 of SSR 2009 (Part-I) complete all as specified and directed. Note :- If the desired earth resistance is not found, earthing shall be redone by the contractor at no extra cost to the department.

Balaji Associate (BID ID -3165875)

GUPTA ENGINEERING WORKS (BID ID -3166182)

TRIVENI ASSOCIATES (BID ID -3161814)