Provision of Approach Road for Fire Crash Gate at RWY 23 in Operational Area at Diu 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-incharge. All kinds of soil

Construction 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 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 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 for all leads & lifts, laying in uniform layers with mechanical paverfinisher in sub- base / base course on well prepared surface and 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 laying of Hot Mix Dense Bituminous Macadam (DBM) 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 achive the specified values of compaction, strength, surface accuracy complete [for tencering purpose, VG bitumen of grade VG - 30(60/70) shall be taken as 110 Kg/m3 of mix supplied in bulk produced by Gov. 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 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 specifications, drawings as directed by enginner-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 (60/70) shall be taken as 120 Kg/m3 of mix supplied in bulk produced by Govt. refineries and 2% cement by weight of aggregates as filller material]

Jay Prakashbhai Tilara

Umiya Construction