NIT No. 21 (22-23) Item No. 10

Dismantling of existing damage GI strip earthing from equipments such as motor's earthing, Transformer's earthing, HT and Lt's panel earthing etc. and as per site required.

Earthing with G.l. 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 details of cost for one Set DSR-2022 Code-5.4

Earthing with G.I. earth pipe 4.5 meter long, 40 mm diaincluding accessories, and providing masonry enclosure withcover plate having locking arrangement and watering pipe etc.with charcoal/ coke and salt as required. (DSR E&M 2022 item no. 5.2)

Supplying and laying 25 mm X 5 mm G.I strip at 0.50 meterbelow 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. nutbolt & spring washer spaced at 50mm) (DSR E&M 2022 item no. 5.9)

Testing and commissioning of installed earthing strip by earth tester and using Four Terminal Earth Tester Instrument, spikes are equidistant and in straight line to maintain electrical continuity. Take measurement in different directions.

DEEPAK ENTERPRISES

NEW INDIA ELECTRICALS

Devraj Enterprises