National Institute Of Technology-NIT has published Tender For Replacing Ac Roof Sheet By Gi Sheet And Providing Ceiling In Electrical Lab. Submission Date for this Tender is 19-06-2023. Shed Construction Tenders in calicut Kerala. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level : |
| 2 | 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size de rived from natural sources) |
| 3 | Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement : |
| 4 | Centering and shuttering including strutting, propping etc. and removal of form for |
| 5 | Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc. |
| 6 | Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. |
| 7 | Thermo-Mechanically Treated bars of grade Fe-500D or more. |
| 8 | 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. |
| 9 | GI Tubular TATA or equvalent |
| 10 | Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-charge) 0.50 mm (+ 0.05 %) total coated thickness 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. |
| 11 | Providing & fixing false ceiling at all height including providing & fixing of framework made of special section, power pressed from M.S. sheets and galvanised with zinc coating of 120 gms/ sqm (both side inclusive) as per IS : 277 and consisting of angle cleat of size 25mm wide x 1.6mm thick with flanges of 27mm and 37mm, at 1200mm c/c, one flange fixed to the ceiling with dash fastener 12.5mm dia x 50mm long with 6mm dia bolts, other flange of cleat fixed to the angle hangers of 25 x10 x0.50mm of required length with nuts & bolts of required size and other end of angle hanger fixed with intermediate G.I chanels 45 x15 x 0.90mm running at the spacing of 1200 mm c/c, to which the ceiling section 0.5mm thick bottom wedge of 80mm with tapered flanges of 26 mm each having lips of 10.5mm, at 450mm c/c, shall be fixed in a direction perpendicular to G.I intermediate channel with connecting clip made out of 2.64mm dia x 230mm long G.I wire at every junction, including fixing perimeter channels 0.50mm thick 27mm high having flanges of 20mm and 30mm long, the perimeter of ceiling fixed to wall/ partitions with the help of Rawl plugs at 450mm centre, with 25mm long dry wall screws @ 230mm interval, including fixing of Calcium Silicate Board to ceiling section and perimeter channels with the help of dry wall screws of size 3.5 x25mm at 230mm c/c, including jointing & finishing to a flush finish of tapered and square edges of the board with recommended jointing compounds, jointing tapes,finishing with jointing compounds in three layers covering up to 150mm on both sides of joints and two coats of primer suitable for boards, all as per manufacture"s specification and also including the cost of making opening for light fittings, grills, diffusers, cut outs made with frame of perimeter channels suitably fixed, all complete as per drawings, specificaton and direction of the Engineer in charge but excluding the cost of painting with: |
| 12 | 8 mm thick Calcium Silicate Board made with Calcareous & Siliceous materials reinforced with cellulose fiber manufactured through autoclaving process. |
| 13 | 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 |
| 14 | 200mm or equivalent Square type UPVC |
| 15 | Providing and fixing precoated galvanised iron (GI) sheet roofing accessories 0.50 mm (+0.05 %) total coated thickness, 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 : |
| 16 | Ridges, hips or valley |
| 17 | Providing and fixing false ceiling with 7.5 mm thick specified PVC panel board ceiling of approved quality in aluminium frame work with necessary screws etc complete ( aluminium frame work shall be paid separately) |
| 18 | PVC plain panel 7.5 mm or nearest thick |
| 19 | 12 mm cement plaster of mix : |
| 20 | 1:4 (1 cement: 4 fine sand) |
| 21 | 12 mm cement plaster finished with a floating coat of neat cement of mix : |
| 22 | 1:3 (1 cement: 3 fine sand) with the addition of colouring compound (red oxide) with thread line |
| 23 | Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface : |
| 24 | Water thinnable cement primer |
| 25 | 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. |
| 26 | On steel work |
| 27 | Providing and applying white cement based putty of average thickness 1 mm, of approved brand and manufacturer, over the plastered wall surface to prepare the surface even and smooth complete. |
| 28 | Wall painting with acrylic emulsion paint, having VOC (Volatile Organic Compound ) content less than 50 grams/ litre, of approved brand and manufacture, including applying additional coats wherever required, to achieve even shade and colour. |
| 29 | Wall painting with premium acrylic emulsion paint of interior grade, having VOC (Volatile Organic Compound ) content less than 50 grams/ litre of approved brand and manufacture, including applying additional coats wherever required to achieve even shade and colour. |
| 30 | One coat |
| 31 | Two coats |
| 32 | Removing white or colour wash by scrapping and sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete |
| 33 | Removing dry or oil bound distemper, water proofing cement paint and the like by scrapping, sand papering and preparing the surface smooth including necessary repairs to scratches etc. complete. |
| 34 | Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade : |
| 35 | One or more coats on old work |
| 36 | Finishing walls with Acrylic Smooth exterior paint of required shade : |
| 37 | Old work (Two or more coat applied @ 1.67 ltr/ 10 sqm) on existing cement paint surface |
| 38 | Old work (One or more coat applied @ 0.90 ltr/10 sqm). |
| 39 | Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. |
| 40 | Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix) |
| 41 | Dismantling steel work in built up sections in angles, tees, flats and channels including all gusset plates, bolts, nuts, cutting rivets, welding etc. including dismembering and stacking within 50 metres lead. |
| 42 | Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of: |
| 43 | Asbestos Cement sheet |
| 44 | Dismantling cement asbestos or other hard board ceiling or partition walls including stacking of serviceable materials and disposal of unserviceable materials within 50 metres lead. |
| 45 | Providing and fixing Polyvinyl Chloride (PVC) pipes, including all PVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step PVC solvent cement and testing of joints complete as per direction of Engineer in Charge. Internal work - Exposed on wall |
| 46 | 110 mm nominal dia Pipes (4kg/cm2) |
| 47 | Providing and fixing aluminium work for doors, windows, ventilators and partitions with extruded built up standard tubular sections/ appropriate Z sections and other sections of approved make conforming to IS: 733 and IS: 1285, fixing with dash fasteners of required dia and size, including necessary filling up the gaps at junctions, i.e. at top, bottom and sides with required EPDM rubber/ neoprene gasket etc. Aluminium sections shall be smooth, rust free, straight, mitred and jointed mechanically wherever required including cleat angle, Aluminium snap beading for glazing / paneling, C.P. brass / stainless steel screws, all complete as per architectural drawings and the directions of Engineer-in-charge. (Glazing, paneling and dash fastenersto be paid for separately) : |
| 48 | For fixed portion |
| 49 | Anodised aluminium (anodised transparent or dyed to required shade according to IS: 1868, Minimum anodic coating of grade AC 15) |
| 50 | Providing and fixing 4mm thick Aluminium Partition Panels, in panelling fixed in aluminum doors, windows shutters and partition frames with C.P. brass / stainless steel screws etc. complete as per architectural drawings and directions of engineer-in-charge. |
| 51 | 4 mm thick aluminium partion panels |
| 52 | Providing and laying water proofing treatment over the concrete surface by applying cement based two component polymer modified water proofing slurry coating coating (SIKA 109 TOP seal or equivalent)after cleaning the surface free from scale, rust, grease, oil etc. preparing the surface to be true and flat and saturatedmixing the liquid (A) and powder (B) components in the ratio 1:4 by weight, applying in two coats with an interval of 2 to 6 hours for hardening in between and finally finished by rubbing down with a soft, dry sponge including protecting the applied surface from direct sunlight and storng wind and curing by gunny bags or polythene sheeting upto 5 days etc. complete. |
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