Re-carpeting of Runway, Taxiway, Apron, perimeter road along with construction of runway shoulder, blast pad, perimeter road shoulder and RESA extension at CA Kandla

Earth work in soil with Hydraulic Excvator including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross section, and transporting to the location within all lifts and lead upto 5000 m, etc. complete s per direction of Engineer-in-charge.

Preparation and consolidation of sub grade with power road roller of 8 to 12 tonne capacity after excavating earth dressing to camber and consolidating with road roller including making good the undulations etc. as per direction of Engineer in charge.

Construction of granular sub-base (GSB) by providing close graded Material, conforming to specifications, mixing in a mechanical mix plant at OMC, carriage of mixed material by tippers to work site, for all leads & lifts, spreading in uniform layers of specified thickness with motor grader 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 (size range 53 mm to 0.075 mm )

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 tipper to site, laying in uniform layers with paver finisher in sub-base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density, complete as per specifications and directions of Engineer-in-Charge. 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 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. 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 applying tack coat suitable low Viscosity paving bitumen of VG-10 grade confirming to IS:73, 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 shll 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. 0.20Kg/Sqm on existing bituminous surface.

Providing and applying tack coat (*using bitumen emulsion (Rapid setting) complying with IS:8887 or suitable low viscosity paving bitumen of VG 10 grade conforming to IS:73), 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. 0.30 Kg/Sqm on existing concrete surface

Providing and laying of Hot Mix Dense Bituminous Macadam (DBM) using crushed stone aggregates of quality, size and grading as specified and 2% cement by weight of aggregates as specified and Viscosity Grade Bitument (supplied in bulk) in proportions as per job mix formula and laid to specified levele, grade and camber as per specification, drawings and as directed by the Engineer in charge including compacting with 8-10 tone, prefably 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% cement by weight of aggregates as filler material].

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 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% cement by weight of aggregates as filler material].