Tender For Up-Gradation Of Podiumat Ftr Hqrs Siliguri .; 1 EARTH WORK 2 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 for all lift, as directed by Engineer-in-charge. 3 All kinds of soil 4 CEMENT CONCRETE (CAST IN SITU) 5 Providingandlayinginpositioncementconcreteof specified grade excluding the cost of centering and shuttering - All work up to plinth level : 6 1:2:4 (1cement : 2 coarse sand (zone-Ill) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) 7 1:5:10 (1 cement : 5 coarse sand (zone-Ill) derived from naturalsources :10gradedstoneaggregate40mm nominal size derived from natural sources) 8 REINFORCED CEMENT CONCRETE 9 Providing and laying in position specified grade of reinforced cement concrete,excludingthecostofcentering,shuttering,finishingand reinforcement - All work up to plinth level : 10 1:1.5:3(1 cement: 1.5 coarse sand (zone-Ill) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources) 11 Centering and shuttering including strutting, propping etc. and removal of form for 12 Foundations,footings,basesof columns,etc.formass concrete 13 Steelreinforcement forR.C.C.workincludingstraightening,cutting, bending, placing in position and binding all complete upto plinth level. 14 Thermo-Mechanically Treatedbars of gradeFe-500D or more. 15 MASONRY WORK 16 Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: 17 Cement mortar 1:4(1 cement :4 coarse sand) 18 CLADDING WORK 19 Providingandfixing 18mmthickgangsawcut,mirrorpolished, premoulded and prepolished, machine cut for kitchen platforms, vanity counters,window sills,facias andsimilar locations of required size, approved shade, colour and texture laid over 20 mm thick base cement mortar 1:4 (1 cement : 4 coarse sand), joints treated with white cement, mixed with matching pigment, epoxy touch ups, including rubbing, curing, moulding and polishing of edges to give high gloss finish etc. complete at all levels. 20 Granite stone slab of colour black, Cherry/Ruby red 21 Area of slab over 0.50 sqm 22 Providing edge moulding to 18 mm thick marble stone counters, Vanities etc., including machine polishing to edge to give high gloss finish etc. complete as per design approved by Engineer-in-Charge. 23 Granite work 24 STEEL WORK 25 Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. 26 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. 27 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. 28 Hot finished welded type tubes 29 Hot finished seamless type tubes 30 FLOORING 31 Cement concrete flooring 1:2:4 (1cement : 2 coarse sand : 4 graded stone aggregate) finished with a floating coat of neat cement, including cement slurry, but excluding the cost of nosing of steps etc. complete. 32 40 mm thick with 20 mm nominal size stone aggregate 33 ROOFING 34 Providing and fixing false ceiling at all heights including providing and fixing of frame work made of special sections, power pressed from M.S. sheets andgalvanized with zinc coating of 120 gms/sqm(bothside inclusive) as per IS : 277 and consisting of angle cleats of size 25 mm wide x 1.6 mm thick with flanges of 27 mm and 37mm, at 1200 mm centre to centre, one flange fixed to the ceiling with dash fastener 12.5 mm dia x 50 mm long with 6 mm dia bolts, other flange of cleat fixed to the angle hangers of 25x10x0.50 mm of required length with nuts & bolts of required size and other end of angle hanger fixed with intermediate G.I. channels 45x15x0.9 mm running at the spacing of 1200 mm centre to centre, to which the ceiling section 0.5 mm thick bottom wedge of 80 mm with tapered flanges of 26 mm each having lips of 10.5 mm, at 450 mm centre to centre, shall be fixed in a direction perpendicular to G.I. intermediate channel with connecting clips made out of 2.64 mm dia x 230 mm long G.I. wire at every junction, including fixing perimeter channels 0.5 mm thick 27 mm high having flanges of 20 mm and 30 mm long, the perimeter of ceiling fixed to wall/partition with the help of rawl plugs at 450 mm centre, with 25 mm long dry wall screws @ 230 mm interval, including fixing of gypsum board to ceiling section and perimeter channel with the help of dry wall screws of size 3.5 x 25 mm at 230 mm c/c, including jointing and finishing to a flush finish of tapered and square edges of the board with recommended jointing compound , jointing tapes , finishing with jointing compound in 3 layers covering upto 150 mm on both sides of joint and two coats of primer suitable for board, all as per manufacturers specification and also including the cost of making openings for light fittings, grills, difusers, cutouts made with frame of perimeter channels suitably fixed, all complete as per drawings, specification and direction of the Engineer in Charge but excluding the cost of painting with : 35 12.5 mm thick tapered edge gypsum plain board conforming to IS: 2095- (Part I) :2011 (Board with BIS certification marks) 36 Providing and fixing precoated galvanised iron profile sheets (size, shape andpitch 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 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 desiredby Engineer-in-charge. The sheet shallbe 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. 37 FINISHING 38 12 mm cement plaster of mix: 39 1:4(1 cement: 4 fine sand) 40 Dismantling and Demolishing 41 Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. 42 Nominal concrete 1:3:6 or richer mix (including equivalent design mix) 43 Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer - in- charge. 44 Extra for cutting reinforcement bars manually/ by mechanical means in R.C.C. or R.B. work (Payment shall be made on the cross sectional area of R.C.C. or R.B. work) as per direction of Engineer-in-charge. 45 Demolishingbrickworkmanually/bymechanicalmeansincluding stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge. 46 In cement mortar 47 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. 48 Demolishing dry brick pitching in floors, drains etc. including stacking of serviceable material and disposal of unserviceable material within 50 metres lead : 49 Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of: 50 G.S. Sheet 51 ALUMINIUM WORK 52 Providing and fixing machine moulded aluminium covering of approved pattern & design, made out of machine cut aluminium sheet and machine holed for receiving dash fastener, over expansion joints on vertical surfaces/ceiling floors, the fixing on plate in one row on one side of joint only shall be done with stainless steel dash fasteners of 8 mm dia and 75 mm long bolt including providing aluminium washers 2 mm thick & 15 mm dia , at a staggered pitch of 200 mm centre to centre including drilling holes in the receiving surface and providing expandable plastic sleeves in holes etc. complete as per direction of Engineer-in-charge. 53 Powder coated aluminium sheet 2.5 mm thick (minimum thickness of powder coating 50 micron) 54 Add Cost Index 18 %
