Replacement Of Existing Asbestos Sheet Roofings With Galvalume Steel Profile Sheet Roofings For All Shed Areas At Lpg Bottling Plant , Bongaigaon , Assam, Bongaigaon Lpg Bot Plant, Dhaligaon,Chirang, Assam-Assam
Corrigendum : Replacement Of Existing Asbestos Sheet Roofings With Galvalume Steel Profile Sheet Roofings For All Shed Areas At Lpg Bottling Plant , Bongaigaon , Assam
Name of Work: REPLACEMENT OF EXISTING ASBESTOS SHEET ROOFINGS WITH KLIPPON GALVALUME STEEL PROFILE SHEET ROOFINGS AT BONGAIGAON LPG BP
Sl.No.
Item Description
Item Code / Make
Quantity
Unit
1
1
Dismantling roofing including ridges, hips valleys & gutters, False ceiling of any type and stacking the material within premises, of: Asbestos sheet
BI01010001010000000000000515BI0100001113
15252.8
SQM
2
2
Providing & fixing Klippon Galvalume steel profile sheets\n(size, shape and pitch of corrugation as approved by Engineer-in-charge) of bare metal thickness 0.50mm as per ASTM A446 having yield stress of 275mpa, surface shall have hot dip metallic coating of Aluminium Zinc alloy comprising of 55% aluminium,43.5% zinc & 1.5% silicon, with 5-7 micron epoxy primer and polyester top coat of 15-18 micron on both sides,total coated thickness(TCT) of 0.58mm.Sheet shall have protective guard film of 25 microns minimum to avoid scratches while transportation & should be supplied in single length up to 6m or as desired by Engineer-in-charge.
BI01010001010000000000000515BI0100001114
14752.8
SQM
3
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\nTEX 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\" or 4.2\"or 6\") or step-down (2\" or 3\" or 6\")
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