Providing and fixing of Lighting Arrester at OB Dumps of Jampali OCM, SECL, Raigarh Area.

Amount

Item Description

Erection of metallic pole of following length in cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) foundation including excavation and refilling etc. as required. Above 13.0 metre and upto 16.0 metre

Providing and fixing of lightning conductor finial, made of 25 mm dia 300 mm long, G.I. tube, having single prong at top, with 85 mm dia 6 mm thick G.I. base plate including holes etc. complete as required.

Supplying and laying 25 mm X 5 mm G.I strip at 0.50 metre below ground as strip earth electrode, including connection/ terminating with G.I. nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of G.I. nut bolt & spring washer spaced at 50mm) Details of cost for 30 Metres

Supply of 6 SWG GI wire (@ 0.192Kg/mtr.) = 0.192*120m = 144 Kg for shielding

Earthing with G.I. earth plate 600 mm X 600 mm X 6 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.

Total impact of GST for the purpose of CTC

AJAY KUMAR SINGH (BID ID -1115853)

AEKANSH GROUP (BID ID -1115830)

A A ZILKAR (BID ID -1115559)