Name of Work: Providing GI sheet roofing in Offshore and WRE lab
Sl. No.
Item Description
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STEEL WORK
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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.
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GI Tubular TATA or equvalent
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ROOFING
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Providing and fixing precoated galvanised iron profile sheets (size, shape andpitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05mm) 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 desiredby Engineer-in-charge. The sheet shallbe 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.
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Providing square type UPVC gutter with necessary clamps, bolts, nuts, and specials such as nozzles, sockets, stoppers, etc., including cost and conveyance of all materials and labour charges etc. complete as per the instructions of the dept. officers
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200mm or equivalent Square type UPVC gutters
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FINISHING
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Finishing with Epoxy paint (two or more coats) at all locations prepared and applied as per manufacturer\"s specifications including appropriate priming coat, preparation of surface, etc. complete.
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On steel work
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Dismantling and Demolishing
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Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within anywhere in the campus:
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