Bharat Sanchar Nigam Limited-BSNL has published Tender For Providing New Earth/Improvement Of Earth Value, Providing Aviation Light/ Attending Aviation Lighting, Providing/Correcting Lightning Conductor System For Bts Sites For Phase Ix.2 Under Madurai Oa ( Phase Iii Providing Lightning Conduc. Submission Date for this Tender is 23-01-2024. Electrical Maintenance Tenders in madurai Tamil Nadu. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Lightning conductor |
| 2 | Checking Lightning arrestor (finial) fixing condition i/c climbing upto the top of tower , removing rusted bolts/nuts with a new ones,i/c connecting the same firmly with body of tower by flexible copper wire of 10 sqmm size with crimped tinned copper lugs,to make tower as conductng path etc as reqd. |
| 3 | Supplying of lightning conductor made of 25mm dia 900 mm long,copper hollow tube of minimum wall thickness of 1.6mm, multy prong and fixing on top of existing tower i/c pvdg necessary Teflon sleeve/suitlable insulation to avoid direct contact with the body of the tower etc. as reqd |
| 4 | Providing and fixing 25mmx5mm G.I. stripon surface or in recess as a lightning conductor for connections up to earth busbaretc as reqd |
| 5 | Supplying and fixing of 25mm epoxy type insulators for laying of earth strip on building wall/ Tower including drilling holes to wall fixing etc as required. |
| 6 | Supplying and laying of 40 mm dia "B" class GI pipe including necessary bend on the existing surface of wall with neat clamping / in the ground with necessary excavation and refilling work etc as reqd. (M/s ISI) |
| 7 | Providing and fixing testing joint, made of 20mm x3mm thick, GI strip, 150mm long, with 4 nos. of GI bolts, nuts, check nuts and spring washers, 2Nos,25mm porcelain insulators etc. complete as reqd. |
| 8 | S/L of GIstrip of 50x3mm on surface of tower with 2 nos insulator with clampetc as required |
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