Installation of PBB for bay no 7 and steel corridor for Bay no 13 at Calicut International Airport SH Construction of Rotunda including fixed finger for PBB for bay no 7 and steel corridor for bay no 13 at Calicut International Airp

Amount

Carriage of Materials By Mechanical Transport including loading ,unloading and stacking up to 1 Km lead. a) Earth

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)

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.

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge.

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 Engineerin-charge.

Dismantling aluminium/ Gypsum partitions, doors, windows, fixed glazing and false ceiling including disposal of unserviceable surplus material and stacking of serviceable material with in 50 meters lead as directed by Engineer-in-charge.

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth. 1.5 m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50m and lift upto 1.5m, disposed earth to be levelled and neatly dressed. a) All kinds of soil.

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. a) Ordinary rock

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : a) 1:4:8 (1 Cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size).

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : b)1:2:4 (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size).

Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work ,using cement content as per approved design mix,including pumping of concreteto site of laying but excluding the cost of centering,shuttering ,finshing reinforcement,including admixturesin recommended proportions as per IS:9103 to accelerate, retard setting of concrete,improve workability without imparing strength and durability as per direction of engineer-in-charge. (Note :- Cement content considered in this item is @ 330 kg/cum.“Excess/ less cement used as per design mix is payable/recoverable separately). All works upto plinth level

Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer-in-charge.“(Note :- Cement content considered in this item is @ 330 kg/cum.“Excess/ less cement used as per design mix is payable/recoverable separately).All works above plinth level upto floor V level .

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.

Extra for every additional lift of 1.5 m or part thereof in excavation / banking excavated or stacked materials. a) All kinds of soil.

Steel reinforcement for RCC work including straightening, cutting ,bending, placing in position and binding all complete up to plinth level. a)Thermo-Mechanically Treated bars of grade Fe-500D or more.

Steel reinforcement for R.C.C. work including straightening, cutting,bending, placing in position and binding all complete above plinth level. a) Thermo-Mechanically Treated bars of grade Fe-500 D or more.

Extra for providing richer mixes at all floor levels. Note:- Excess/less cement over the specified cement content used is payable /recoverable separately. Providing M-30 grade concrete instead of M-25 grade BMC/ RMC. (Note:- Cement content considered in M-30 is @ 340 kg/ cum)

Add for using extra cement in the items of design mix over and above the specified cement content therein.

Centering and shuttering including strutting, propping etc. and removal of form for all heights : a) Foundations, footings, bases of columns, etc. for mass concrete.

Centering and shuttering including strutting, propping etc. and removal of form for all heights : b) Columns, Pillars, Piers, Abutments, Posts and Struts

Centering and shuttering including strutting, propping etc. and removal of form for all heights : c)Lintels, beams, plinth beams, girders, bressumers and cantilevers

Centering and shuttering including strutting, propping etc. and removal of form for all heights : d)Suspended floors, roofs, landings, balconies and access platform

Centering and shuttering including strutting, propping etc. and removal of form for all heights : e)Edges of slabs and breaks in floors and walls ,Under 20 cm wide

Providing and fixing mild steel round holding down bolts with nuts and washer plates complete.

Providing and fixing precoated GI metal deck ( super deck-52) sheeting of thickness 1.25 mm thickness, 125 gs and 250 mpa ( profile depth 52 mm )with necessary shear connector and ribs for aero bridges. The rate inclusive of necessary cutting, fitting,welding at the floor level etc including tools and tackles and labour charges etc,as per the direction pf engineer-in- charge

Steel work welded in built up sections/ framed work, including cutting,hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. a) In stringers, treads, landings and platforms etc. of stair cases, including use of chequered plate wherever required, all complete.

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. a) On steel work

Providing and laying in position dressed laterite stone ( compressive strength not less than 32 kg/cm2) stone masonary with cement moratr 1:6 ( 1 cement: 6 coarse sand ) including dresssing of sides etc complete above plinth level up to floor v level as per the direction of engineers in charge

Providing and laying in position dressed laterite stone ( compressive strength not less than 32 kg/cm2) stone masonary with cement moratr 1:6 ( 1 cement: 6 coarse sand ) including dresssing of sides etc complete below plinth level as per the direction of engineers in charge

12 mm cement plaster in CM 1:6 (1 cement : 6 fine sand)

15 mm cement plaster on the rough side of single or half brick wall of mix in CM 1:6 (1 cement: 6 fine sand)

6 mm cement plaster of mix :in CM 1:3 (1 cement : 3 fine sand)

Providing and laying vitrified floor tiles in different sizes (thickness to be specified by the manufacturer) with water absorption less than 0.08% and conforming to IS : 15622, of approved make, in all colours and shades, laid on 20mm thick cement mortar 1:4 (1 cement : 4 coarse sand), including grouting the joints with white cement and matching pigments etc., complete. a) Size of Tile 600x600 mm

Providing and laying Vitrified tiles in different sizes (thickness to bespecified by manufacturer), with water absorption less than 0.08 % and conforming to I.S. 15622, of approved make, in all colours & shade, in skirting, riser of steps, over 12 mm thick bed of cement mortar 1:3 (1 cement: 3 coarse sand), jointing with grey cement slurry @ 3.3kg/sqm including grouting the joint with white cement & matching pigmentsetc. complete.

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.

Wall painting with acrylic emulsion paint of approved brand and manufacture to give an even shade : a) Two or more coats on new work

Providing and fixing false ceiling at all height including providing and fixing of frame work made of special sections, power pressed from M.S. sheets and galvanized with zinc coating of 120 gms/sqm (both side 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, at1200 mm centre to centre, one flange fixed to the ceiling with dash fastener 12.5 mm dia x 50mm long with 6mm 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 25mm 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 manufacturer's specification and also including the cost of making openings for light fittings, grills, diffusers, 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 :12.5 mm thick tapered edge gypsum plain board conforming to IS: 2095- Part I

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 fasteners to be paid for separately) : For fixed portion Powder coated aluminium (minimum thickness of powder coating 50 micron)

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 fasteners to be paid for separately) 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 (Fittings shall be paid for separately Powder coated aluminium (minimum thickness of powder coating 50 micron)

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 . (Cost of aluminium snap beading shall be paid in basic item): a) With float glass panes of 5.50 mm thickness

Providing and fixing 12 mm thick prelaminated particle board flat pressed three layer or graded wood particle board conforming to IS:12823 Grade l Type ll, in panelling fixed in aluminum doors, windows shutters and partition frames with C.P. brass / stainless steel screwsetc. complete as per architectural drawings and directions of Engineer-in-charge.Pre-laminated particle board with decorative lamination on one side and balancing lamination on other side

Providing and fixing in position 4mm thick. Aluminium composite panels in exteranal face, column/wall cladding of approved make confirming to ASTM standard/specification of alloy 3000 series of higher series comprising vrigin polyethylene core sanwitched between two skins of 0.50mm thick special alloyed aluminium sheet to have overall thickness of 4mm with exterior coating PVDF paint. Fixing of surface cladding to mansory/concrete faces/steel structure , including appropriate and adequate frame work of aluminium tubular sections 50x25x3mm and 25x38x3mm to fix the composite panel to the frame, straight/slope and curvilinear profile and shapes including all accessories and all incidental work. The cladding shall be done in accordance with the drawings, fixed to sides and faces of columns/piers, to sills and soffits of window opening, returned over coping, to RCC/structural steel system,etc, to line and level.The joints shall be properly sealed with approved silicon sealant to make the joints watertight and weather proof including, fixing over aluminium frame using mechanical fasteners. Specially designed frame work with verticle and horizontal members of extruded aluminium section which shall be made of alloy 6063 T6, as approved by the Engineer-in-charge . The work shall be complete as per specification and directions of Engineer-in-charge.

Design , supply and fixing structural glazing system consisting of powder coated aluminium and glass of approved make , aluminium frame work fabricated out of heavy duty aluminium extruded profile powder coated with durable thermo setting polyester powder coating by electrostatic sparaying and hard stoved is not less than 60 micron thickness to comply with BIS 6496:1994( 1991) and AAMA 2603-98 standard as per approved shade. All aluminium members and profile shall be of AC-25 grade as specifications. The aluminium members shall be protected with protection tapes all around the profile for safety against external scratches at site. ( protection tape shall be removed only at a time of handing over as per the instruction of project management.) The anchoring/ bracing of the glazing to the RCC slabs / beams / columns shall be done with required number of non corrosive galvanized extended bracketes of approved design ( galvanizing to be done conforming to IS:4759-1996 up to610 gms per sqm , 80-90 microns thickness ) with approved dash fastners of the minimum 12 mm dia and depth of minimum 100 mm , in the concrete and stainless steel bolts including providing and fixing aluminium of varoius thickness to adjust the beam level and line variation.The anchoring system has been design to with stand the dead load of structural wall as well as stresses due to wind pressure etc. The glazing frame shall be aligned for each vertical mullion for the entire height and each transom for the entire width horizontally by laser beam equipment to ensure 100% x axis and y axis alignment. to make the joint water and air tight the glazing frame work provided with approved in built ventilation and drainage system. all the joints of structural glazing system and periphery , of glass shall be properly sealed with specified weather silicon. the details of in built ventilation and drainage system should be submitted by the contractor before execution.EPDM gaskets of suitable profile to accomodate glasses in all vision EPDM gaskets of suitable profile to accomodate glasses in all vision area shall be provided at all glazing area to make the glazing water and areas shall be provided at all glazing area to make the glazing water and air tight. including the glass to be fixed at the outer side of the aluminium frame with structural silicon sealant ( SG 18/ DC995) and mechanical support with pressure plates and cover plates ( the structural silicon bite size shall not be less than 8 mm / as per the structural requirments as per manufactures recommendation.) expansion joits gap for mullion shall be minium 15 to 20 mm to be provided where ever required , filled with expansion joints sealant from wackert , dow corning DC 789/ Sikka or equivalent. All screws , washers used shall be only stainless steel 316 grades etc.. complete as per direction of EIC. ( The execution agency has to design and to submitted shop drawing and mock up based on same which have to be approved by EIC before start of work.)(1) Mullion & transoms , extruded aluminium section shall be of 6063-T6 alloy to be as per structural calculation of jindal/ Bhuraka or approved equivalent (2) coating of aluminium section will be powder coated with durable thermosetting polyestre powder coating by electrostatic spraying and hard stoved to not less than 60 micron standard of approved shade as per direction of EIC.(3)Heavy duty , best quality EPDM gaskets at joints and and conncetion between aluminium members.(4)all components should be sealed and water proofing membrane with internal and exrenal aluminium flashing finished to approval.curtain wall should be seal to hoist structures and allow movements etc. in its service life.item includes cost of supplying , installation and fixing of aluminium frame with structural members , mullions , transoms , sub frame , fixtures etc.. including supply installation and fixing glass including cost of sealant , brackets, fastners, screws, sleeves, spacers tape, backer rods,bolts, gaskets, fixtures, scaffolding at all height, etc. complete in all respect .( the work is to be carried out by aspecialized agency approved by EIC.) aluminium sections ( mullions and transoms) weight considerd for the system is 10.00Kg/ sqm.(a) Hermetically sealed DGU system shall be fixed at 1 st floor consisting of 6 mm thick dark blue/ super silver blue high performance toughened glass +12 mm air gap +6mm thickclear toughened glass as per specification fixed in a precise size on the outer infill panel of make saint gobain/ asahi/ emirates glass or eqi\uivalent , high performance glass U value -1.5 to 2.0 Watt/ m2K , SF -0.02 to 0.25 & VLT-35-45% etc.

Providing and fixing 100mm brass locks (best make of approved quality) for aluminium doors including necessary cutting and making good etc. complete.

Providing and fixing aluminium handles, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868) transparent or dyed to required colour or shade, with necessary screws etc. complete : a)125 mm

Providing and fixing aluminium tower bolts, ISI marked, anodised (anodic coating not less than grade AC 10 as per IS : 1868 ) transparent or dyed to required colour or shade, with necessary screws etc. complete: a) 250x10 mm

Providing and fixing aluminium sliding door bolts, ISI marked anodised(anodic coating not less than grade AC 10 as per IS : 1868),transparent or dyed to required colour or shade, with nuts and screws etc. complete : a) 250x16 mm

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. a) Twin rubber stopper

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes.110 mm diameter

Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion.Bend 87.5°110 mm bend

Providing and fixing unplasticised -PVC pipe clips of approved designto unplasticised - PVC rain water pipes by means of 50x50x50 mmhard wood plugs, screwed with M.S. screws of required length, including cutting brick work and fixing in cement mortar 1:4 (1 cement: 4 coarse sand) and making good the wall etc. complete. a)110 mm

Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion. Shoe (Plain) a)75 mm Shoe

Providing and laying APP (Atactic Polypropylene Polymer) modified prefabricated five layer 3 mm thick water proofing membrane, black finished reinforced with non-woven polyester matt consisting of a coat of bitumen primer for bitumen membrane @ 0.40 litre/sqm by the same membrane manufacture of density at 25°C, 0.87-0.89 kg/ litre and viscocity 70-160 cps. Over the primer coat the layer of membrane shall be laid using Butane Torch and sealing all joints etc, and preparing the surface complete. The vital physical and chemical parameters of the membrane shall be as under : Joint strength in longitudinal and transverse direction at 23°C as 650/ 450N/5cm. Tear strength in longitudinal and transverse direction as 300/250N. Softening point ofmembrane not less than 150°C. Cold flexibility shall be upto -2°C when tested in accordance with ASTM, D - 5147. The laying of membrane shall be got done through the authorised applicator of the manufacturer of membrane

Providing & fixing at all height perforated metal tile ceiling system of hunter ,doiglas india Pvt.ltd/ saint gobain gyprock or approved equivalent.,comprising of tile of 600 mm wide and 1200mm long, bevelled edge. 0.9 mm thick aluminium alloy 3105 perforated 2.5 mm with 16% open area. The tile will be manufactured in advanced equipment, which includes several levelling stages in the manufacturing process. tile ends will be raised with pips ans stops individual panel. the tile sides will be sufficiently high to ensure a minimum deflection across the length of tile. all tiles will be bevelled edged. the tile shall be polyester based, powder coated in white colour. tile shall be clipped in to clip in profile of 0.5 mm thick G.I Rod,hold on clamp with clip including non woven felt made of glass reinforced fibre gluedover the perforation for sound absorption.etc complete as per specifications including the of making opening for light fittings,grills,diffusers,cut outs made with frame of perimeter channels suitably fixed all cimplete as per drawings and as directed by engineer- in- charge.( samples to be got approved by EIC before procurment)

Add or deduct for using aluminium extruded section of approved quality I/c powder coating against structural glazing Item no.43. Exclusively for mullions and transoms if required as per the structural designas directed by the engineer- in- charge.( The rate shall be applicable only for the quantity of aluminium excess or less from the sections already stipulated in ther item no.43)

Preparation and submission of architectrural drawings based on AAI preliminary drawings and carrying out structural designs for the building ( rotunda, corridor for bay no :7 & platform for bay no:13 ) based on the directions of EIC. The design should be done in concrete or steel using approved material in schedule of contract. For bay no.13 the platform design will be in structural steel and for bay no.7 the rotunda will be in concrete and corridor in structural steel as per direction of EIC.The design should be considering future expansion if directed by engineer-in- charge. All structural designs and 'good for construction' drawing submitted should be vetted in writing by IIT/NIT/ Government engineering colleges. Bill of quanties as per the approved structural drawing should be submitted along with drawings before execution for approval. Three sets of architectural and structural design drawings and one set of design calculations in hard copies along with soft copies of design and drawing are to be submitted to AAI. Soil investigation will be made available by AAI ,if directed by EIC further to the site visit of the structural consultant.

TATI CONSTRUCTION PVT LTD

DORALL INFRASTRUCTURES AND DEVELOPERS PVT LTD

VASANTHASENAN AND CO.