Development of Vellore Airport under RCS Scheme UDAN 2. SH Construction of Runway, Taxiway and Apron at Vellore Airport.

Amount

Construction of embankment with moorum (gravely soil) from approved quarries with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300-2 of MOST Specifications. The embankment constructions should satisfy minimum CBR value of 10 as per the design requirement.

Construction of granular sub-base by providing close graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401 of Most Specifications

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

Providing and applying tack coat using hot straight run bitumen of grade VG - 10, including heating the bitumen, spraying the bitumen with mechanically operated spray unit fitted on bitumen boiler, cleaning and preparing the existing road surface as per specifications : a) On W.B.M./WMM @ 0.75 Kg / sqm

b) On bituminous surface @ 0.50 Kg / sqm

Providing and laying of Hot Mix Semi Dense Asphaltic Concrete(SDAC) using crushed stone aggregate of quality, size and grading as specified and 2% cement by weight of aggregates as filler of quality 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 114 kg/m3 of mix supplied in bulk produced by Govt. Refineries and 2% cement by weight of aggregates as filler material].

Providing and laying of Hot Mix Dense Asphaltic Concrete(DAC) using crushed stone aggregate of quality, size and grading as specified and 2% cement by weight of aggregates as filler of quality 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 135 kg/m3 of mix supplied in bulk produced by Govt. Refineries and 2% cement by weight of aggregates as filler material].

Painting runway/taxi track/apron marking with adequate nos of coats to give uniform finish with road marking paint of superior make as approved by the Engineer-incharge, i/c cleaning the surface of ail dirt, scales, oil, grease and other foreign material etc. and lining out complete. a) New work (Two or more coats)

Total excluding GST

Add prevailing GST @18%

JKG INFRATECH PRIVATE LIMITED

TARMAT LIMITED