Repair replacement of earth electrode Earthing set for 7 5 KVA DG sets and lighting conductor of various BOPs of 11 BN BSFunder SHQ BSF Shillong

Amount

Earthing with G.I. earth plate 600mm X 600mm X 6mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal and salt as required.

Providing and fixing of lightning finial made of 25 mm dia 300 mm long G.I. tube having single prongat top with 85 mm dia 6 mm thick G.I. base plate i/c holes etc. complete as req.

Providing and fixing 25 mm X 5 mm G.I. strip in 40mm dia GI pipe from earth electrode i/c connection with GI nut, bolt, spring, washer excavation and reffiling etc as reqd.

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 req.

Jointing copper/GI tape (with another copper/GI tape base of the finial or any other matalic object) by riveting/nut bolting/sewating and soldering etc as reqd.

Providing and fixing G.I. tape 20 mm X 3 mm thick on parapet or surface of wall/GI pipe for lighting conductor complete as required. (For vertical run)

Pvdg and erection of medium class (duty) 80 mm GI pipe 11 mtr long i/c painting etc in cement concrete 1:3:6 (I cement, 3 coarse sand, 6 stone aggregate 40 mm nominal size) foundation etc as reqd.