Prdg LC for RAN sites HTD Area-II

Amount

Providing and fixing of lightning conductor finial made of 25mm dia GI pipe ( B-class) having single prong at top of the tower with suitable size GI base plate including holes etc.complete as required on RTT / GBT / Poles of height upto 40 Mtrs :- (a) 600 mm long finial

(b) 1000 mm long finial

Providing and fixing 25 mm X 3 mm G.I. strip along the tower/Wall with suitable insulators /clamps fixed at suitable interval etc.,as required.(For Vertical Run)

Supplying and laying of 25 mm X 5 mm G.I strip at 0.50 metre 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) (For interconnection in the ground to the existing earth pit).

EARTH STRIP CONTINUITY CHECK Improving of earth continuity from existing earth electrode upto to the Lightning finial by making good of loose connections/joints including providing missing bolts/nuts,spring washers etc.,as required.

MINOR MODIFICATIONS: Providing minor repair works for existing earth pit by making good of loose connections ,cleaning GI strip surface of the terminals with sand paper and providing nuts,bolts,spring washers,water funnel and adding salt water to improve earth resitance value and also providing earth manhole cover made of cement conrete ready mix slab along with top cover ,white washing including measuring of earth resistance value in presence of engineer-in-charge and sign writing etc.,as required.

Providing and fixing testing joint, made of 25 mm x 3mm thick GI Strip, 125mm long, 4 Nos GI bolts, nuts, checknuts, spring washers etc., complete as required.