Construction Of Chemical Earthing In 129 Nos. Of Towers Of 220 Kv Chandil-Pgcil And 132 Kv Chandil-Hatia Transmission Line Under Gss Chandil-1, Chandil-Jharkhand
TDR : 30751151
Tender Notice
BOQ
Expired
Chandil
Jharkhand
Construction Of Chemical Earthing In 129 Nos. Of Towers Of 220 Kv Chandil-Pgcil And 132 Kv Chandil-Hatia Transmission Line Under Gss Chandil-1
Chemical earthing of towers with GI chemical electrode with suitable earth enhancing compound. The chemical earthing shall be non-corossive highly galvanised pipewith 3 meter length. The electrode shall be filled with highly conductive & non-corrosive mixture so that inner strip and pipe should never corrode and provide lowest possible risistance. The minimum diameter of outer pipeshall be 40mm. The quantity of earth enhancing compound required per earth electrode shall be 50kg for each electrode.
2
Laying of 50*8 mm GI Flat required for earthing including excavation, welding & connecting with tower legs.
3
41 towers on hard rock area.
4
80 towers on forest, cultivated land area.
5
50*8 mm GI Flat required conforming to IS 227 with 0.63 mm thickness
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