Providing and Installation of pole type lightning conductor for tent post under BOP Padma of 78 BN BSF under SHQ BSF Gopalpur.

Amount

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

Providing and fixing 25 mm X 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode including connection with G.I. nut, bolt, spring, washer excavation and re-filling etc. as required.

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.

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.

Jointing copper / G.I. tape (with another copper/ G I tape, base of the finial or any other metallic object) by riveting / nut bolting/ sweating and soldering etc as required.

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 8.0 metre and upto 10.0 metre

Providing and fixing of testing joints made of 20 mm x 3mm thick GI Strip 125 mm Long with 04 Nos of GI Bolt, Nuts chuck nuts spring washer etc as reqd.

Providing and fixing of 65 mm dia G.I. Pipe (medium Class) (Make- TATA/Jindal/JSW or equivalent) on existing foundation including socket, nut, bolt, welding etc etc complete as required.

Jayananda Hazarika (BID ID -3234681)