Provision OF Lightning Arrestor Earthing and Aviation Lamp for 726 RAN sites against IX2 Project under Tripura SSA SOUTH TRIPURA GOMATI SEPAHIJALA and KHOWAI DISTRICT PHI

Amount

Providing Chemical Earthing by using Galvanized / C I C pipe of 75 mm dia, 3.5 mm wall thickness & 3.0 meter long Earth Electrode unit consist of 32 x10 mm G I / Stainless steel / Brass terminal taken out from electrode unit with 2 nos 12 mm dia holes, 2 sets of tinned nut bolts, plain washer, spring washer & inner space of pipe filled with c conductive material of Eco friendly hygroscopic conductive compound in 150 mm dia, 3.3 meter deep bore in ground complete with masonry enclosure of suitable size with cover plate having locking arrangement, 50 mm dia G I watering pipe up to 1.0 mtr depth with funnel etc as required. Vendor will have to submit a videographic proof regarding earth measurements : earth value must be lower than 1.0 Ohms )

Supplying & Laying 25 mm x 5 mm G I strip at 0.5 meter below ground as strip earth electrode i/c connection termination with nut bolts spring washers etc as required.

Supply Installation Testing & Commissioning of Lightning Protection System (LPS) using air termination system fabricated from solid type Hot deep galvanized rod of minimum 16 mm dia & 200 sq mm cross section area with minimum 2mtr length & minimum contineous coating of 1micro meter , (cross-sectional area = or < than 200 sq.mm., diameter > or = 16 sq.mm.,) along with required size & type air terminal holding clamp, alongwith arrangement for clamping / screwing & fixing G I rod on existing tower top suitable mounting arrangement, complying to IEC-62305 standards, etc. complete as required.