Installation of lighting arrester (cat type conventional air terminal) in the sump area in Dudhichua mines

Amount

Excavation of pole pit 0.60 X 0.60 X 2.1 mtrs (12 nos.)

Concreting of pole pit 0.60 X 0.60 X 1.8 mtrs (12 nos.) with cement gravel and sand in the ratio 1:4:8

Erection of 11/13/16 mrs long pole Rail/MS Tubular pole as per requirement

Earthling with GI pipe 2.7 meter long 40 mm dia including accessories and provinding masonary enclosure with cover plate having locking arrangement and water pipe etc. with charcoal / coke and salt as required

Providing & fixing of lighting conductor finial, made of 25mm dia 300mm long G.I tube having single prong at top 85 mm dia 6mm thick Gi base plate including holes etc, complete required

Cable 1 X25 sq mm Aluminium

Labour charge for laying, connceting all accessories and testing

Total impact of GST for the purpose of CTC