Indian Oil Corporation Limited-IOCL has published Tender For Lpg Ioaod So Replacement Of Existing Asbestos Sheet Roofing With Galvalume Steel Profile Sheet Roofing For All Shed Areas At Lpg Bottling Plant, Bongaigaon Assam. Submission Date for this Tender is 04-02-2023. Bottles 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 & gutters, False ceiling of any type and stacking the material within premises, of: Asbestos sheet |
| 2 | Providing & fixingGalvalume steel profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) shall be of Cold rolled steel confirming to IS: 513-2008 of base metal thickness 0.50 mm, having Yield Stress of Min. 275 MPa. Steel surface shall have hot dip metallic coating of Al-Zinc alloy comprising 55% Alluminium, 43.5% Zinc and 1.5% Silicon as per the ASTM-A792M, with total mass of coating on both sides shall be 150 gms/sqm. The steel shall have organic coating with Silicon Modified Polyester (SMP) /Super Durable Polyester (SDP) paint on continuous coil coating line. The thickness of coating on top side shall be 20-25 Microns (i.e. 15-18 microns SMP /SDP paint over 5-7 microns epoxy primer) and back side 8-10 Microns SMP/SDP paint over epoxy primer. Total Coated Thickness (TCT) shall be 0.58 MM. Sheet shall have protective guard film of thickness of 25 microns minimum to avoid scratches while transportation and should be supplied in single length up to 6m or as desired by Engineer-in-charge. |
| 3 | Providing & fixing UV stabilised fibreglass reinforced plastic sheet roofing up to any pitch including fixing with polymer coated "J" or `L" hooks, bolts & nuts 8mm dia. G.I plain/bitumen washers complete but excluding the cost of purlins, rafters, trusses etc. The sheets shall be manufactured out of 2400 TEX panel rovigs incorporating minimum 0.3% Ultra-violet stabiliser in resin system under approximately 2400 psi and hot cured. They shall be of uniform pigmentation & thickness without air pockets & shall conform to IS 10192 & IS 12866. The sheets shall be opaque or translucent, clear or pigmented, textured or smooth as specified -2mm thk corrugated (2.5" or4.2"or 6") or step-down (2" or 3" or 6") |
| 4 | Providing and fixing Galvalume steel Plain Sheet for Ridges (500 - 600mm)(size, shape and pitch of corrugation as approved by Engineer-in-charge) of Cold rolled steel confirming to IS:513-2008 of base metal thickness 0.50 mm, having Yield Stress of Min. 275 MPa. Steel surface shall have hot dip metallic coating of Al-Zinc alloy comprising 55% Alluminium, 43.5% Zinc and 1.5% Silicon as per the ASTM-A792M, with total mass of coating on both sides shall be 150 gms/sqm. The steel shall have organic coating with Silicon Modified Polyester (SMP) /Super Durable Polyester (SDP) paint on continuous coil coating line. The thickness of coating on top side shall be 20-25 Microns (i.e. 15-18 microns SMP /SDP paint over 5-7 microns epoxy primer) and back side 8-10 Microns SMP/SDP paint over epoxy primer. Total Coated Thickness (TCT) shall be 0.58 MM. Sheet shall have protective guard film of thickness of 25 microns minimum to avoid scratches while transportation and should be supplied in single length up to 6m or as desired by Engineer-in-charge. |
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