REPLACEMENT OF OVER HEAD LINES WITH AB/UG CABLES IN BN HQ BAGMA OF 169 BN BSF UNDER SHQ BSF UDAIPUR

Supplying and erection of stay set complete (galvanised) with 19/20 mm dia X 1.8 metres long stay rod, anchor plate of size 45 cm X 45 cm X 7.5 mm, thimble, stay clamps, turn buckle ( 20 mm X 60 cm ), 7/ 4.00 mm dia G.I. stay wire and strain insulator etc 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.

Earthing with G.I. earth pipe 4.5 metre long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal/ coke and salt as required.

Providing and laying earth connection from earth electrode with 6 SWG dia G.I. Wire in 15 mm dia G.I. pipe from earth electrode including connection with G.I. thimble excavation and re-filling as required.

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 mtrs long etc. with charcoal or coke and salt complete 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 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.

Providing and fixing G.I. tape 20 mm x 3 mm thick on parapet or surface of wall for lightning conductor complete as required. (For horizontal run)

Providing and fixing G.I. tape 20 mm x 3 mm thick on parapet or surface of wall for lightning conductor complete as required. (For vertical run)

Providing and fixing testing joint, made of 20 mm x 3 mm thick G.I. strip, 125 mm long, with 4 nos. of G.I. bolts, nuts, chuck nuts and spring washers etc. complete as required.