Arrangement of 11KV Busbar System at Ray 10 MVA Substation under Township (Bachra), GM unit, Piparwar Area.

Amount

Erection of steel tubular or rail pole strut in cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size ) foundation including excavation and refilling and secured with holding clamps, bolts, nuts, etc. as required.

Dismantling of pole/ street light standard/ strut embedded in cement concrete foundation etc. as required.

Erection of all aluminium conductor of 7/3.40mm to 7/4.00mm diameter and above including binding etc. as required. Erection (10 span, 30mtr, 3wire system, 0.394kg/m)

Supplying of two lengths of channel iron 75 mm X 40 mm X 6 mm (7.14 kg per metre) double pole cross arm for three wire 11KV over head line conductors complete with through bolts and nuts for clamping to the poles, 50 mm X 6 mm M.S. flats welded on one side to the channel iron and with bolts and nuts on the other side for tying the cross arms together, including drilling holes for insulator pins/ fittings, bolts, nuts and washers etc (as per drawing) and painting with primer and finish paint as required. For [Gang + Fuse set + Disc = 07 + 07 +13 = 27 set]

Erection of pole top/ straight two wire/ V shape two wire, angle iron/ channel iron, cross arm on steel tubular/ rail/ PCC pole for 11/22/33 KV as required.

Supplying and erection of 11 KV disc insulator for 11 KV over head lines with galvanised insulator fittings, ball and socket type and complete with galvanised strain clamps, bolts, nuts, washers etc. as required.

Supply & fixing of T connector 6x7=42

Supply & fixing of PG clamp required for connection

Erection of GOAB Switch 11KV Rating

Providing & fixing of Horngap Fuse Set 11KV rating

Earthing with copper earth plate 600 mm X 600 mm X 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required. 10 x 7 = 70 mtr

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size) For VCB - 3mtr x 2.5mtr x 0.24mtr x 1 nos = 1.8 CUM

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in:Cement mortar 1:6 (1 cement : 6 coarse sand) For Trench - 1mtr x 0.12mtr x 40mtr x 2 side = 9.6 CUM For VCB - 3mtr x 1.50mtr x 0.24mtr x 2 side x 1 nos = 2.16 CUM

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. For VCB - 3mtr x2.5mtr x 1.25mtr x 1 nos = 9.37 cum For Trench - 1mtr x 0.7mtr x 40mtr x 1 nos = 28 cum Misc -20mtr x 10mtr x 1mtr = 200 CUM

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level : 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III): 3 graded stone aggregate 20 mm nominal size) ForTrench - 1mtr x 0.12mtr x 40mtr = 4.8 CUM

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level.Thermo-Mechanically Treated bars of grade Fe-500D or more.

Supplying and filling in plinth with sand under floors, including watering, ramming, consolidating and dressing complete. For VCB - 3mtr x 1.52mtr x 1mtr x 1 nos = 4.56 CUM

Excavating, supplying, stacking and filling of local earth (including royalty) by mechanical transport upto a lead of 5km also including ramming and watering of the earth in layers not exceeding 20 cm. Total Area - [30m x 20m x 1m = 600cum ]

Supplying, filling, spreading & leveling coarse sand of size range 1.5 mm to 2 mm in recharge pit, in required thickness over gravel layer, for all leads & lifts, all complete as per direction of Engineer -in-charge. Total Area - [30m x 20m x 0.15m = 90 cum

Providing & laying in position of approved gravels stone of 40mm nominal size of average thickness 200 mm at the switchyard area - [30m x 20m x 0.2m = 120 cum]

Add GST @18% of Item No.01 to 08