Central Coalfields Limited has published Fabrication And Installation Of 06 Nos. Lattice Towers Along With Supply And Erection Of Lightening Conductor In View Of Protection Of Electrical Equipment Against Lightening At Murpa Substation Under Kuju Area. . Submission Date for this Tender is 31-05-2022. Conductor Tenders in Ramgarh Jharkhand. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Steel work welded in built ups section framed including cutting hoisting fixing in position and applying a priming coat ifapproved steel priper using structure steel etc as req. |
| 2 | Supply and erection od approved make safe earthing electrode consisting pipe-inpipe technology as per IS 3043-1987 made of corrosion free G.I. Pipes with constant ohmic value surrounded by highly conductive compound with high charge dissipation suitable for effective and maintenance free earthing in earth pit. of minimum bore diaa. 150mm size, as mentioned below: with 3 metre G.I pipes having outer pipe dia of 50mm having 80-200 micron galvanizing, inner pepe dia. of 25mm having 200-250 ,micron galvanizing, connection terminal dia. of 12mm in nominal soil with 50Kg(Two Bag) back filling bentonite. |
| 3 | Providing and fixing of 4.00 mm dia copper wire on surface |
| 4 | Providing and fixing of lightning conductor. |
| 5 | Providimg and fixing of 25X5 mm GI strip on surface or in recess for connection etc as req. |
| 6 | Erectionof 6 Nos. lattice tower |
| 7 | Earth work in excavtion by mechanical means (Hydraulic excavtion)/ manual means over areas (exceeding 30cm in depth, 1.5 m in width as well as 10 sq.mm on plan ) including disosal of excavted earth, lead upto 50 m and lift upto 1.5 m , disposed earth to be levelled and neatly dressed. 2.7.1 Ordinary rock |
| 8 | Reinforced cement concrete work in well- stening, excluding the cost of centering, shuttering, finishing and reinforcement, with 1:2:4(1 cement: 2 coarsesand : 4 graded stone aggregate 20mm nominal size). |
| 9 | Providing and fixing of Foundation bolt 25 mm X 400mm |
| 10 | Supply and errection of red oxide paint |
| 11 | Supply and errection of aluminium Paint |
| 12 | Total impact of GST for the purpose of CTC |
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