tender for providing equipment earthing at te bldg & bts under shillong , meghalaya ssaphase .ii ( under eastern, west and sourth khasi hills ) ; 1 earthing with copper earth plate 600 mm x 600 mm x 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal / coke and salt as required.: earth value must be lower than 1.0 ohms ) 2 providing and fixing 25 mm x 5 mm copper strip in 40 mm dia g.i. pipe from earth electrode including connection with brass nut, bolt, spring, washer excavation and re-filling etc. as required 3 providing and fixing 25 mm x 5 mm copper stripin surface i / c connection s etc as reqd. 4 providing and fixing earth busof 50x5mm copper strip on surface for connection etc as reqd