Improvement in damage earthing at different location under AE(E)Mtce Lodhi Road, New Delhi.

Amount

Earthing with G.I. earth plate 600 mm 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 metre long etc. with charcoal/ coke and salt as required.

Supplying and laying 25mm x 5mm GI strip at 0.50 Mtr below ground as strip earth electrode, including connection/teminating with GI nut, bolt, spring washer including excavation and refilling etc complete as required. (Note: i) Jointing shall be done by overlapping and with 2 sets of G.I nut bolt & spring washer spaced at 50 mm. ii) Providing and fixing of pvc insulation sleeve on G.I strip wherever required to be carried out as per site requirement and as per instruction of Engineer-in-charge without any extra charges.)

Providing and fixing 25 mm X 5 mm G.I strip on surface or in recess for horizontal / vertical run including making connection / terminating with GI nut,bolt,spring washer etc complete as required as per site requirement and as per instructions of Engineer-in-charge. (Note: i) The above job also includes arrangement of jhula suitable for building height, safety arrangement for vertical run installation of G.I strip. ii) Jointing shall be done by overlapping and with 2 sets of G.I nut bolt & spring washer spaced at 50 mm. iii) Providing and fixing of pvc insulation sleeve on G.I strip wherever required to be carried out as per site requirement and as per instruction of Engineer-in-charge without any extra charges. iv) The G.I strip is to be clamped using GI clamps and distance between two clamps should not be more than 0.5 Mtr in case of surface GI strip.)

Providing and fixing testing joint, made of 25 mm X 5 mm thick G.I. strip, 125mm long, with 4 nos. of G.I. bolts, nuts, chucknuts and spring washers etc complete as required

Providing and fixing 6 SWG dia G.I. wire on surface or in recess for loop earthing etc complete as required as per site requirement.

Providing and fixing 20 mm X 3 mm G.I strip on surface or in recess for horizontal / vertical run including making connection / terminating with GI nut,bolt,spring washer etc complete as required as per site requirement and as per instructions of Engineer-in-charge. (Note: i) The above job also includes arrangement of jhula suitable for building height, safety arrangement for vertical run installation of G.I strip. ii) Jointing shall be done by overlapping and with 2 sets of G.I nut bolt & spring washer spaced at 50 mm. iii) Providing and fixing of pvc insulation sleeve on G.I strip wherever required to be carried out as per site requirement and as per instruction of Engineer-in-charge without any extra charges. iv) The G.I strip is to be clamped using GI clamps and distance between two clamps should not be more than 0.5 Mtr in case of surface GI strip.)

Providing and fixing of 25 mm x 5 mm GI strip in 40mm dia G.I pipe from earth electrode making connection with G.I. nut, bolt, spring, washer excavation, including cutting of RCC / pucca road, repairing the same (wherever reqd) and re-filling etc complete as required as per the instruction of Engineer-in-charge. (Note: i) Jointing shall be done by overlapping and with 2 sets of G.I nut bolt & spring washer spaced at 50 mm. ii) Providing and fixing of pvc insulation sleeve on G.I strip wherever required to be carried out as per site requirement and as per instruction of Engineer-in-charge without any extra charges. iii) The G.I strip is to be clamped using GI clamps and distance between two clamps should not be more than 0.5 Mtr in case of surface GI strip.)

Earthing with G.I. earth pipe 4.5 metre long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal/ coke and salt as required.