Bharat Sanchar Nigam Limited-BSNL has published Tender For Repair Replacement Of Damaged C.G.S. Sheet Roof Of Store At Paglasthan Bongaigaon. Submission Date for this Tender is 08-05-2024. Shed Construction Tenders in bongaigaon Assam. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of: |
| 2 | G.S. Sheet |
| 3 | Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm (+ 0.05 %) total coated thickness with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineerin- charge. The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required. |
| 4 | Refixing of serviceable corrugated G.S. Sheet on other damaged roof at Bongaigaon recovered from dismantling of roof with J or L hooks, bolts and nuts 8 mm diameter with bitumen and G.I. limpet washers or with G.I. limpet washers filled with white lead, including a coat of approved steel primer and two coats of approved paint on overlapping of sheets complete (up to any pitch in horizontal/ vertical or curved surfaces), excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required. |
| 5 | Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete. |
| 6 | Hot finished welded type tubes. |
| 7 | Providing and fixing 15 cm wide, 45 cm overall semi-circular plain G.S. sheet gutter with iron brackets 40x3mm size, bolts, nuts and washers etc., including making necessary connections with rain water pipes complete. |
| 8 | 0.63 mm thick with zinc coating not less than 275 gm/m² |
| 9 | Credit:- Dismantled unserviceable C.G.S.sheet |
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