Tender For Replacement Of Cgi Sheets With Profile Sheets Of Godown No. 4, 5 And 6 At Fsd Dunguripalli...... 2Nd Call.; 1 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 equivalent design mix 2 Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 meters lead as per direction of Engineer-in-charge. In cement mortar 3 Taking out wind ties from roof including cutting out rusted bolts, nuts etc. and removing materials to any distance within compound and stacking. 4 Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of :G. S. 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 0.50 mm (base metal of minimum 0.45 mm thickness with total coating of 0.05 mm) 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 Engineerin-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 0.50 mm (base metal of minimum 0.45 mm thickness with total coating of 0.05 mm), 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 : 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. metre 9 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.Turbo ventilators available in stainless steel,Size 22 SS grade :430 ,No of outer wings:24(22),,No of inner wings:6(422), Fan base:Nylon,Top and Bottom SS 430, Inside Material :Nylon.,Fan Blade OD:600mm(for 22),Nylon Blade Ring :560mm(for 22),Total fan height :360mm (for 22),Self-lubricating bearing . 10 Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes in : Cement mortar 1:4 (1 cement : 4 coarse sand) 11 Providing gola 75x75 mm in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 stone aggregate 10 mm and down gauge), including finishing with cement mortar 1:3 (1 cement : 3 fine sand) as per standard design :In 75x75 mm deep chase 12 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) 13 15 mm cement plaster on the rough side of single or half brick wall of mix :1:6 (1 cement: 6 fine sand) 14 12 mm cement plaster of mix:1:6 (1 cement: 6 fine sand) 15 Finishing walls with Premium Acrylic Smooth exterior paint with Silicone additives of required shade:New work (Two or more coats applied @ 1.43 ltr/10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/10 sqm) 16 White washing with lime to give an even shade :New work (three or more coats) 17 Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade : One or more coats on old work 18 Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved. 19 Deduction on the account of salvage value of Dismantled GS sheets as and where is basis. 20 Deduction on the account of salvage value unserviceable materials like J or L hooks, Wind Ties or any other iron items etc as and where is basis.
