Details: m&l drilling perfectly vertical bore hole of a diameter suitable to receive 100mm nominal bore ms casing pipe upto 30 mtr depth below ground level including material, transporting, lowering & fixing of 100mm nominal bore ms casing plain pipe (isi marked, medium class, in 6 mtr length with socket) inside the bore hole and all works pertaining to drilling such as transportation, installation & removal of drilling machine etc. in all type of soil / rock. in addition to above isi marked hollow copper earth electrode with outer dia 60mm and thickness of pipe 1.6mm duly filled with ccm (cristal conducting material) with making inter-connection each electrode upto 30 mtr long and bore filled back with charcoal dust, common salt, magnesuim sulphate in alternate layers. terminal of electrode connected with copper 32mm x 6mm 7.5 mtr long including brazing work for connection with copper electrode and testing point and gi pipe 40mm dia medium grade 7.5 mtr long for protection of copper and to
Sector: Defense