Providing canopies at Chennai Airport

Amount

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-in-charge.a)All kinds of soil

Providing, driving with hydraulic piling rigs with power units and installing driven cast-in-situ reinforced cement concrete piles of grade M-30 of specified diameter and length below the pile cap, to carry safe working load not less than specified, excluding the cost of steel reinforcement but including the cost of shoe and the length of pile to be embedded in the pile cap etc. all complete. (Length of pile for payment shall be measured from top of shoe to the bottom of pile cap : 450 mm dia bore pile

P/L in position cement concrete of specified grade excluding the cost of centring , and shuttering ;- All works upto plinth level 1:5:10 (1cement , 5 coarse sand , 10 graded stone aggregate 40 mm nominal size )

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

Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Ordinary Portland, 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 content in 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. ii) All works upto plinth level a) Concrete of M30 grade with minimum cement content of 350 kg /cum

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.

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

Providing and fixing foundation bolts of including nuts and washers complete

Steel work in builtup tubular (round, sqaure or rectangular hollow tubes etc.,) trusses etc., including cutting, hoisting, fixing in position in profile shapes as per the approved drawings with connectors, plates, nuts and bolts, washer etc., including tranpotation cutting threading welding and applying a priming coat of approved steel zinc chromate yellow primer, with all leads and lifts upto all heights including all tools, plants, scaffoldings etc., all complete as approved by Engineer-in-charge. Hot finished welded type tubes. The rate shall include alll the above operation including the cost of pipes, bolt, nuts, washersm guzzerd plates and any other accessories required for completion of the structure and shall be measured in Kgs.

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

Fixing of availabe tubular/structural steel sections / trusses in built up section , including cutting, hoisting, fixing in position using available structural steel members including welding and bolted with special shaped washers etc., complete. Rate quoted shall include the cost of all above operations excluding the cost of structural steel / tubular sections which will be supplied by AAI.

Providing and fixing standing Seam Multi cell / Multi wall UV protected Polycarbonate panel system of thickness not less than 16mm, and width not less than 900 mm suitable to the existing MS structure/MS runner to with stand wind loas as per IS 875 oart-3, 2015 for Chennai with all required accessories like U-connector, aluminium profile with EPDM gaskets, anti-dust tapes, glazing bar etc., for fixing to exisitng steel structure, witthout damaging existing structural components & supporting arrangemnets, scaffolding, for all leads and all lifts for transportation of all required men, materials, machineries, tools, plants etc. from ground to roof and making the area neat, clean & good, etc., as per the direction of Engineer-in-charge. The rate shall be inclusive of tranportation and cost of material, labour and machienery to access the height like boom lift/scissor lift/Scaffolding, tools & accessoriess etc., Third party test certificates to be submitted before supplying the mateial to the Engineer-in-charge. Subsequent to supply of material all necessary tests should be conducted as per frequency / as per direction of Enginner-in-Charge. The installation of Polycarnonate sheet shall be carried out only by the Authorized agency approved by the Manufacturer and as approved by Engineer-In-Charge.

Fixing of roofing and & cladding with available tensile fabric membrane as per approved design.The mild steel structureshas to be surveyed and the fabric patterns has to be generated and welded with high frequency welding machine with welding size as per approved drawings, The corner pocket must be filled with PVC kedars /GI Ropes ,GI corner plates ,turnbuckles etc as applicable and fixed on to the steel structures by using corossion resistent fastners and head covered with weather cap. All joints shall be sealed using weather grade sealents.The roofing shall be cleaned and system shall be handed over satisfaction of engineer in-charge. (The Tensile fabric membrane should be installed as per approved shop drawings to be submited by contractor ,complete complying with standard test specification in line with design requirement & manufacturer specifications and as directed by the Engineer in Charge). (Rate quoted shall include the cost of all above operations fittings and fixtures but excluding the cost of tensile fabric which will be supplied by AAI).

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. On steel work

P/f GI down take rain water pipes of approved make complete with G.I. fittings / Clamps including welding etc. as per the directions of Engineer-in-Charge. 80 mm nominal dia.

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)

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.

Taking out existing CC interlocking paver blocks from footpath/ central verge, including removal of rubbish etc., disposal of unserviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge.

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

Kota stone slab flooring over 20 mm (average) thick base laid over and jointed with grey cement slurry mixed with pigment to match the shade of the slab, including rubbing and polishing complete with base of cement mortar 1 : 4 (1 cement : 4 coarse sand) : 25 mm thick

P/L cement concrete of specified grade exccluding cost of centring /shuttering -All works upto plinth level 1:2: 4 ( 1 cement , 2 coarse snad , 4 graded stone aggregate 20 mm nominal size derived from natural sources )

Providing Engineering consultancy for Carrying out the structural design of the proposed canopies and other structures as per the scope of work including preparation of architectural lay out drawings, structural drawings and all type of working drawings wherever required for the above said jobs and vetting of the designs and all the drawings from IIT/NIT /Govt. Engg. College all as directed By Eingineer in charge as detailed in the technical specifications .

BUILTECH ENGINEERING

CREATORS ENGINEERS AND INTERIORS PVT LTD

MOTHERLAND BUILDERS