Fabrication And Construction Of Copper Plate Earthing & Other Related Misc Work At Akashvani Rampur (Uttar Pradesh). Fabrication and construction of copper plate earthing details of electrodes & earth pit as per given below: i. Digging of pit of size: 1 mtr. x 1 mtr. x 3.5 mtr.(D). ii. Placing the copper plate of size 600x600x3mm with pipe and strip into the pit. iii. Placing of copper strip of 25x 3mm shall be extended from bottom of the earth pit to the surface of the earth pit, after joining the copper strip by copper rivets and proper brazing of strip to the copper plate. iv. Fixing the 10ft. long 38 mm dia G.I Pipe & fixing with the copper plate in the center with G.I/ SS nut bolts class C. One G.I. reducer at the top of the pipe is to be provided for fixing steel mesh for watering as shown in the drawing. v. Providing and filling of 2 Nos of bags of bentonite each of 50kg.(for each earth pit.) vi. Filling of 80kg charcoal, and 80kg raw salt in alternate 3 to 4 layers. The fresh soil about 2.0 cubic meter in earth pit size in layers is to be arrange to fill the pit for proper result. vii. Proper watering of the filled pit for initial charging of pits. viii. Construction of CC chamber in ratio 1:2:4 and fixing heavy duty
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