P/f of earthing for SWAN lab of Dr. JS Bagla in VH

Chemical earthing with copper bonded steel rod of size 3 mtr with chemical, including excavation, refilling, earth pit with cover , complete in all respect. Make : Erico/Growth/JMB/Trust power.

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

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

Providing and fixing of insulating block for installation of copper strip on surface.

Providing and fixing of lightining conductor finial, made of 25 mm dia 300 mm long GI tube having single prong at top with 85 mm dia 6 mm thick GI base plate including holes etc, complete as required.

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

Providing and fixing GI tape 20 mm X 3 mm thick on parapet or surface of wall for lightining conductor complete as required (for horizontal run).

Providing and fixing GI tape 20 mm X 3 mm thick on parapet or surface of wall for lightining conductor complete as required (for vertical run).

polestarengineers

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