Tender For Replacement Of Ac Gi Sheet Of Godown 2 3 And 4 With Gi Profile Sheets At Fsd Sitapur; 1 Taking out wind ties from roof including cutting out rusted bolts, nuts etc. and removing materials to any distance within compound and stacking. 2 Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge.Nominal concrete 1:3:6 or richer mix (i/c equivalentdesign mix) 3 Dismantling roofing including ridges, hips, valleys and gutters etc. and stacking the material within 50 metres lead of: G I Sheets. 4 Dismantling roofing including ridges, hips, valleys and gutters etc.,and stacking the material within 50 metres lead of Asbestos cement sheet 5 Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50mm (base metal of minimum 0.45mm 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 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. 6 Providing and fixing precoated galvanised steel sheet roofing accessories of total coated thickness 0.50mm (base metal of minimum 0.45mm 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 using self drilling/ self tapping screws complete : : (i)Ridges plain (500 - 600mm) 7 Fixing of old wind tie with new fittings including painting two or more coats with anticorrosive bitumastic paint of approved brand & manufacturer over and including priming coat of ready mixed zinc chromate yellow primer of approved brand. 8 Extra for providing and fixing wind ties of 40x 6 mm flat iron section. 9 Providing gola 75x75 mm in cement concrete 1:2:4 (1 cement : 2coarse sand : 4 stone aggregate 10 mm and down gauge), includingfinishing with cement mortar 1:3 (1 cement : 3 fine sand) as per standard design : In 75x75 mm deep without chase cutting 10 12 mm cement plaster of mix 1:6 (1 cement: 6coarse sand ). 11 Providing and laying cement concrete in retaining walls, return walls, walls (any thickness) including attached pilasters, columns, piers, abutments, pillars, posts, struts, buttresses, string or lacing courses, parapets, coping, bed blocks, anchor blocks, plain window sills, fillets, sunken floor etc., up to floor five level, excluding the cost of centering, shuttering and finishing:1:2:4 (1 Cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) 12 Painting with synthetic enamel paint of approved brand andmanufacture of required colour to give an even shade : One or more coats on old work 13 Supply ,installation ,testing and commissioning of turbo ventilators size 22 in stainlesssteel 430grade with approximate weight 4.85kg having a CFM-7KM per hours -2440 with blade lengh 360mm wings of 80 mm and following specification. 14 Credit for old unservicable GI sheets, eve gutters, valley gutters, wind ties, J hooks/ angle/ iron scrap received from dismantlling 15 Credit for old unserviciable AC sheets 16 NIT Amount
