Construction of Perimeter Road for newly acquired land at Madurai Airport

Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs , saplings and trees girth up to 300 mm , removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned up to a lead of 1000 metres including removal and disposal of top organic soil not exceeding 150 mm in thickness by mechanical means as directed by EIC.

Excavation in soil using hydraulic excavator including cutting & loading in tippers, trimming bottom and side slopes in accordance with requirement of line, grades and cross section, transporting, unloading to the 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 in ordinary using hydraulic excavator including cutting & loading in tippers, trimming bottom and side slopes in accordance with requirement of line, grades and cross section, transporting, unloading to the 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. Ordinary rock

Construction of subgrade and earthen shoulders /embankment with approved materials deposited at site from roadway cutting and excavation from drain and foundation of other structures graded and compacted to meet requirement of table 300-2

Construction of Subgrade embankment with Moorum with soaked CBR of not less than 20% brought out from approved quarry outside the airport premises. The complete operation will include spreading the Moorum with dozer, dressing, levelling, providing camber, grading with motor grader and consolidating with vibratory roller 8-10 tonne capacity in layers not exceeding 20cm in depth to achieve 95% of the field density including making good the undulation etc. as per technical specifications and drawings complete and directions of Engineer-in-Charge. (Cost includes all leads, taxes, royalty, operations and obtaining field density from the approved lab or Govt Engineering college).

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 & lifts, spreading in uniform layers of specified thickness with motor grader/mechanical means including neatly levelling and dressing on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per specifications and directions of Engineer-in-Charge : With material conforming to Grade-I having CBR alue-30 as per table -1 of technical specification.

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. (a) Prime Coat over WMM

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. 0.2 Kg/Sqm on existing bituminous surface

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