SUPPLY, INSTALLATION, TESTING AND COMMISSIOINING OF EARTHING FOR ELECTRICAL INSTALLATIONSAT C-DOT CAMPUS

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 Meter long etc. with charcoal/ coke and salt as required. (For the required copper strip to connect the copper earth plate to the above-ground connection, this will be considered a separate item and is not included in this item).

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 Meter long etc. with charcoal/ coke and salt as required. (For the required G.I strip to connect the G.I earth plate to the above-ground connection, this will be considered a separate item and is not included in this item)

Earthing with G.I. earth pipe 4.0 Meter 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.

Supplying and laying 50 mm X 5 mm copper strip at 0.50 meter below ground as strip earth electrode, including connection/ terminating with nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of brass nut bolt & spring washer spaced at 50mm)

Supplying and laying 25 mm X 5 mm G.I strip at 0.50 meter 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)

Dismantling/demolishing of the nonfunctional earth pit, if required as per the site constraints as directed by Engineer in charge