Construction of Perimeter Road, Emergency access road in the newly acquired land of 96.77 acres on 10 and 28 side.

Amount

Excavation in soil with hydraulic excavator including cutting & loading in tippers, trimming bottom and side slopes in accordance with requirement of line, grades,camber and cross section and transporting and unloading to the desired disposal location(s) including levelling and neatly dressing of disposed soil completely as directed by Engineer-In-Charge with all lifts and lead within Airport Premises. All kinds of Soil

Excavation work by mechanical means (Hydraulic excavator)/ manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50 m. Ordinary rock

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 upto 50 m and lift upto 1.5 m.

Extra for compaction of earthwork in embankment under optimum moisture conditions to give at least 95%of the maximum dry density (proctor density).

Construction of Embankment with Moorum having CBR not less than 20% obtained from approved quarry with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of morth table 300-2

Preparation of granular sub-base by providing close graded material, conforming to specifications mixing in a mechanical mix plant at OMC, carriage of mixed material by mechanical transport to work site, for all leads and lifts, spreading in uniform layers of specified thickness with mechanical means including neatly leveling & dressing on prepared surface and compacting with vibratory power roller to achieve the desired density, complete and as per direction of Engineer-in-charge: Conforming to Grading-I requirement.(size range 75 mm to 0.075 mm) having CBR Value-30

Providing, laying, spreading and compacting graded stone aggregate (size range 53 mm to 0.075 mm) to wet mix macadam (WMM) specification including premixing the material with water at OMC in mechanical mix plant, carriage of mixed material by mechanical transport to site, for all leads & lifts, laying in uniform layers with mechanical paver finisher in sub- base /base course on well prepared surface and compacting with vibratory roller of 8 to 10 tonne capacity to achieve the desired density, complete as per specifications and directions of Engineer-in-Charge.

Providing and applying primer coat with bitumen emulsion SS1 grade conforming to IS:8887 on prepared surface of Granular Base including clearing of surface and spraying primer at the rate of 0.70 kg/sqm using mechanical means complete in all respects as per direction of Engineer-In-Charge.The contractor shall quote his rates assuming quantity of bitumen emulsion as 0.70 Kg/Sqm.If the actual quantity of bitumen emulsion varies from the quantity assumed above,necessary cost adjustment for deviation in the quantity of bitumen emulsion shall be done as per rate in actual supply voucher from nearest refinery at the time of execution.The rate of bitumen emulsion exclusive of GST shall only be considered for payment.

Providing and laying of Hot Mix Dense Bituminous Macadam(DBM)using crushed stone aggregate of quality,size and grading as specified and #filler as specified and Viscosity Grade Bitumen (supplied in bulk)in proportions as per job mix formula and laid to specified levels,grade and camber as per specification,drawings and as directed by the Engineer-in-Charge including compacting with 8-10 tonne, preferably vibratory road roller of adequate capacity to achieve the specified values of compaction,strength,surface accuracy complete [for tendering purpose VG bitumen of grade VG-30 shall be taken as 110 kg/m3 of mix supplied in bulk produced by Govt. Refineries and 2% stone dust by weight of aggregates as filler material].

Providing and applying tack coat (using bitumen emulsion (Rapid setting)complying with IS:8887 ,spraying the bitumen with mechanically operated spray unit at the rate specified below,cleaning and preparing the existing pavement surface as per specifications complete in all respects as per direction of Engineer-In-Charge.If the actual quantity of bitumen varies from the quantity specified,necessary cost adjustment for deviation in the quantity of bitumen shall be done as per rate in actual supply voucher from nearest refinery at the time of execution.The rate of bitumen exclusive of GST shall only be considered for payment. a) 0.20 Kg/Sqm on existing bituminous surface

Providing and laying of Hot Mix Semi Dense Asphaltic Concrete (SDAC)using crushed stone aggregate of quality,size and grading as specified and filler as specified and Viscosity Grade Bitumen (supplied in bulk)in proportions as per job mix formula and laid to specified levels,grade and camber as per specification,drawings and as directed by the Engineer-in-Charge including compacting with 8-10 tonne preferably vibratory road roller of adequate capacity to achieve the specified values of compaction,strength,surface accuracy complete [for tendering purpose VG bitumen of grade VG-30 content shall be taken as 120 kg/m3 of mix supplied in bulk produced by Govt.Refineries and 2% stone dust by weight of aggregates as filler material].

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

Centering and shuttering including strutting, propping etc. and removal of form for all heights :Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

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 (zone-III) : 8 graded stone aggregate 40 mm nominal size)

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, 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 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. All works upto plinth level Concrete of M25 grade with minimum cement content of 330 kg /cum

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

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

R DEVARASAN

DMW Infrastructures India Private Limited

SVEM INFRASTRUCTURES

pr and co

BNM CONSTRUCTIONS