Name of Work: Repairing of parapet wall ,sintex area flooring and replacement of CGI sheetfor Social Science Building.
Sl. No.
Item Description
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Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of:
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G.S. Sheet
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Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering -
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-All work upto plinth level:
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1:2:4 ( 1 Cement: 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)
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Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 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 Engineer-in 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 with
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Precoated galvanised iron profile sheets0.50 mm thick
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Providing and fixing precoated galvanised steel sheet roofing accessories , Zinc coating 120gsm as per IS: 277 in 240mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws or with polymer coated J or L hooks, bolts and nuts and or G.I. seam bolts and nuts, G.I. plain and bitumen washers complete :
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Ridges plain (500 - 600mm).
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Precoated galvanised iron profile sheets0.50 mm thick
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12 mm cement plaster of mix
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1:4 (1 cement : 4coarse sand)
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Providing and fixing unplasticised -PVC pipe clips of approved design to unplasticised - PVC rain water pipes by means of 50x50x50mm hard wood plugs,screwed with M.S. screws of required length including cutting brick work and fixing in cement mortar 1:4(1 cement: 4 coarse sand) and making good the wall etc. complete.
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