Extension Of Avt Lab. Towards Old Shed At Csir-Cmeri Institute Campus, Durgapur-09; 1 Earth work in excavation by mechanical means (Hydraulic excavator)/ manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by Engineer-incharge.All kinds of soil 2 Supplying and filling in plinth with sand under floors, including watering, ramming, consolidating and dressing complete. 3 Providing and laying in position ready mixed cement concrete for plain cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana/ Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering and finishing as per direction of the engineer-in-charge; for the following grades of concrete. Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the minimum specified cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement.Concrete of M15 grade with minimum cement content of 240 kg /cum 4 Centering and shuttering including strutting, propping etc. and removal of form for Foundations, footings, bases of columns, etc. for mass concrete 5 Centering & shuttering including strutting, propping etc & removal of form for Lintels, beams, plinth beams, girders, bressumers and cantilevers. 6 Centering & shuttering including strutting, propping etc & removal of form for Columns, Pillars, Piers, Abutments, Posts and Struts. 7 Centering & shuttering including strutting, propping etc & removal of form for Suspended floors, roofs, landings, balconies and access platform. 8 Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete. Thermo-Mechanically Treated bars of grade Fe-500D or more. 9 Providing and laying in position ready mixed cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in-charge, for the following grades of concrete.: Note: Extra cement up to 10% of the minimum specified cement contentin design mix shall be payable separately. In case the cement content in design mix is more than 110% of the specified minimum cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement. All works upto plinth level: Concrete of M25 grade with minimum cement content of 330 kg /cum. 10 Providing and laying in position ready mixed cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in-charge, for the following grades of concrete.: All works above plinth level upto floor V level: Concrete of M25 grade with minimum cement content of 330 kg /cum. 11 Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m. 12 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) 13 12 mm cement plaster of mix 1:4 (1 cement: 4 coarse sand) 14 15mm cement plaster on rough side of mix 1:4 (1cement: 4coarse sand) 15 6 mm plaster on cement concrete or reinforced cement concrete work with white cement based polymer modified self curing mortar of approved make as per the direction of Engineer-In-Charge. 16 Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. 17 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. Hot finished welded type tubes. 18 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 19 Finishing walls with Acrylic Smooth exterior paint of required shade :New work (Two or more coat applied @ 1.67 ltr/10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/10 sqm) 20 Providing woodwork in frames of doors and other frames and fixed in position with sal wood. 21 Providing and fixing ISI marked flush door shutters 30 mm thick including ISI marked Stainless Steel butt hinges,necessary screws conforming to IS :2202 (Part I) non-decorative type, core of block board construction with frame of 1st class hard wood and well matched commercial 3 ply veneeringwith vertical grains or cross bands and face veneers on both faces of shutters: 22 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 / panelling, C.P. brass / stainless steel screws, all complete as per architectural drawings and the directions of Engineer-in-charge: For fixed portion: Powder coated aluminium (minimum thickness of powder coating 50 micron) 23 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 / panelling, C.P. brass / stainless steel screws, all complete as per architectural drawings and the directions of Engineer-in-charge: For shutters of doors, windows & ventilators including providing and fixing hinges/ pivots and making provision for fixing of fittings wherever required including the cost of EPDM rubber / neoprene gasket required: Powder coated aluminium (minimum thickness of powder coating 50 micron) 24 Providing and fixing glazing in aluminium door, window, ventilator shutters and partitions etc. with EPDM rubber / neoprene gasket etc. complete as per the architectural drawings and the directions of engineer-in-charge . With float glass panes of 5 mm thickness (weight not less than 12.50 kg/sqm) 25 Providing and fixing 12 mm thick frameless toughened glass door shutter of approved brand and manufacture, including providing and fixing top & bottom pivot & double acting hydraulic floor spring type fixing arrangement and making necessary holes etc. for fixing required door fittings, all complete as per direction of Engineer-in-charge. 26 Filling the gap in between aluminium/ stone/ wood frame and adjacent RCC/Brick/ Stone/ wood/ Ceramic/ Gypsum work by providing weather/structural non sag elastomeric PU sealant over backer rod of approved quality as per architectural drawings and direction of Engineer-in-charge complete, complying to ASTM C920, DIN 18540-F & ISO 11600: Upto 10 mm depth and 10 mm width. 27 Providing and fixing aluminium tubular handle bar 32 mm outer dia, 3.0 mm thick & 2100 mm long with SS screws etc .complete as per direction of Engineer-in-Charge. Powder coated minimum thickness 50 micron aluminium tubular handle bar 28 Providing and fixing Toughened glass 12 mm thickness in partitions with adhesive glue etc. complete as per the architectural drawings and the directions of engineer-in-charge . 29 Providing and fixing double action hydraulic floor spring of approved brand and manufacture conforming to IS : 6315, having brand logo embossed on the body / plate with double spring mechanism and door weight upto 125 kg, for doors, including cost of cutting floors, embedding in floors as required and making good the same matching to the existing floor finishing and cover plates with brass pivot and single piece M.S. sheet outer box with slide plate etc. complete as per the direction of Engineer- in-charge: With stainless steel cover plate minimum 1.25 mm thickness. 30 Providing and fixing bright finished brass tower bolts (barrel type) with necessary screws etc. complete : 150x10 mm 31 Providing and fixing 100 mm bright finished brass handles with screws etc. complete: 32 Providing and fixing aluminium hanging floor door stopper, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour and shade, with necessary screws etc. complete. Single rubber stopper 33 Providing and fixing IS : 3564 marked aluminium extruded section body tubular type universal hydraulic door closer (GODREJ/ HARDWYN MAKE OR EQUIVALENT ) with double speed adjustment with necessary accessories and screws etc. complete. 34 Supplying and fixing Godrej lock kadi-tala chrome 275 mm lock (silver) with single locking mechanism as per the direction of engineer-in-charge. 35 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. 36 Distempering with 1st quality acrylic distemper (ready mixed) having VOC content less than 50 gram/litre, of approved manufacturer and of required shade and colour all complete to achieve even shade and colour :New work (two or more coats) over and including water thinnable priming coat with cement primer having VOC content less than 50 gram/litre 37 Providing and fixing Zinc Aluminum colour coated steel profile sheets of total coated thickness 0.52 mm (base metal of minimum 0.47 mm thickness with total coating thickness of 0.05mm) with zinc coating 120 grams per sqm as per IS: 277, in 550 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. The 5mm thick XLPE insulation shall be sandwiched in between the Zinc Aluminum colour coated steel profile sheets of total coated thickness 0.52 mm and the aluminum foil. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 24 feet or as desired by Engineer-in-charge.The sheet shall be fixed using self drilling /self tapping screws of size (5.5x 55 mm) of class 3 with EPDM rubber sealing washer, complete upto any pitch in horizontal/ vertical or curved surfaces. 38 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 thickness of 0.05 mm) with Zinc coating 120 gram 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 : Gutter (600 mm over all girt 39 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 thickness of 0.05 mm) with Zinc coating 120 gram 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) 40 Demolishing brickwork manually/ by mechanical meansincluding stacking of serviceable materials and disposal of unserviceable materials within Institute Campus as per direction of Engineer - in - charge: in cement mortar. 41 Demolishing cement concrete manually/ by mechanical means including disposal of material within Institute Campus as per direction of Engineer - in - charge. Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix) 42 Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within Institute Campus as per direction of Engineer - in- charge. 43 Dismantling asbestos/GI/profile sheet roofing including ridges, hips valleys and gutters etc and stacking within Institute Campus. 44 Dismantling steel work in single sections including dismembering and stacking within Institute Campus as per direction of Engineer - in - charge in: Channels, angles, tees and flats.
