tender for earthing of various tube wells installed in ward no-185 under okhla constituency ac-54. , earthing with g.i. earth pipe 4.5 meter long, 40 mm dia. including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal/ coke and saltas required. dsr(e/m) 2024, item code- 5.2 , supplying and laying 25 mm x 5 mm g.i strip at 0.50 meter below ground as strip earth electrode, including connection/ terminating with g.i. nut, bolt, spring, washer etc. as required (jointing shall be done by overlapping and with 2 sets of g.i. nut bolt & spring washer spaced at 50mm) dsr(e/m) 2024, item code- 5.9 , providing and fixing 25 mm x 5 mm g.i. strip in 40 mm dia g.i. pipe from earth electrode including connection with g.i. nut bolt, spring, washer excavation and re-filling etc. as required. dsr(e/m) 2024, item code- 5.11