Details: supplying of fabricated control box of size (850 x 750 x 600)mm. with 2mm. thick ms sheet & (40 x 40 x 5)mm. angle iron stand (as per attached drawing). providing and fixing 63a tp&n disconnector fuse switch unit inside the existing panel board with isi marked hrc fuses including drilling holes in cubicle panel, making connections, etc. as required. earthing with g.i. earth plate 600mm. x 600 mm. x 6 mm. thick including accessories and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 mtr. long with charcoal / coke and salt as reqd. supplying & laying 25 mm x 5 mm g.i. at 0.50 metre below ground as earth electrode including connection / terminating with g.i. nut, bolt, spring, washer etc. as reqd. (jointing shall be done by overlapping and with 2 sets of g.i. nut, bolt & spring washer spaced at 50 mm.). supplying, installation, commissioning & testing of early streamer emission (ese) based lightning arrestor with horizontal radius of 7
Sector: Mining