KIIFB Urgent Rectification Airport link Improvements to Chorukkala Bavuparamba Nanicherikadavu Chekyatkavu Mayyil Kololam Chalode road 0-000 to 22-600 and Taliparamba Tagore Vidyanikethan Allankulam Sir Syed College Bhrandankunnu Road 0-000

Amount

55.4 Supplying and stacking 36mm size hard broken stone in standard heaps for measurement.

55.2 Supplying and stacking 12mm hard blue granite broken stone in standard heaps for measurement(IRC 3.2.1.a)

55.8.a.Filling up pot holes (cut and formed to regular shapes and all loose and defective materials removed) after supplying a prime coat of hot bitumen using 36mm departmental broken stone and compacting with power roller to get a compact surface.

55.9.a.Filling up pot holes (cut and formed to regular shapes and all loose and defective materials removed) after supplying a prime coat of hot bitumen using 12mm departmental broken stone and compacting with power roller to get a compact surface

55.7.a.Providing bitumen leveling coarse between 40mm and 150mm with 36mm deptl metal by spreading the metal to line and levels and rolling until the compacted coarse aggregate has a firm surface and applying hot bitumen with pressure sprayer at the rate of 20 Kg per M3 metal including all cost of bitumen conveyance heating mixing spreading in appropriate locations to proper levels compacting with power roler and other sundry stores.

55.6.a.Providing pre mix bitumen leveling coarse having thickness between 20mm and 40mm with 12mm deptl metal by spreading the metal to line and levels and rolling until the compacted coarse aggregate has a firm surface and applying hot bitumen (vg 30) with pressure sprayer at the rate of 48 Kg per M3 metal including all cost of bitumen conveyance heating mixing spreading in appropriate locations to proper levels compacting with power roler and other sundry stores.

5.2.a.Providing and applying tack coat with bitumen emulsion( RS) using emulsion pressure distributor at the rate of 0.20 - 0.30 kg per sqm on the prepared bituminous surface cleaned with mechanical broom.

OD31175/2021-202210-12-2021:mixed seal surfacing manual means-type A-Bitumen VG30 providing ,laying and rolling of close graded pre mix surfacing material of 20mm thickness composed of 11.2mm to 0.9mm (Type A) aggregates using penetration grade Bitumen to required line ,grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant laying and rolling with a three wheel 8 to 10 KN static roller and finishing to required level and grades as per technical specification

VYSHAK P