Airports Authority Of India Tender

Providing, laying and fixing in position Asphalt reinforcement system- Composite Glass Grid (CG200)) of Adfors Saint-Gobain/Maccaferri/Technofab/Giridhar Techfab/ Terrain Infratech/Flexituff/Supreme or equivalent make and composed of high strength glass filament yarns of mesh size not exceeding 25mm x 19mm with tensile strength (MD x CMD) ≥ 100 ✕ 200 kN/m. The Composite Glass Grid shall have nonwoven backing with 150g/m2, allowing interlayer installation on tack coated rough asphalt/concrete surface with the ability to allow issue-free bond of compacted asphalt layers,with manufacturers specification. Asphalt reinforcement system (Composite Glass Grid) after laying on tack coated surface shall be pressed firmly with pneumatic roller or rubber tired roller to stick to existing surface. Before laying of tack coat and Glass Grid the existing surface shall be cleaned throughly and to be free from dust and other foreign impurities. Existing joints, cracks and potholes shall be filled with suitable solution 12-24 Hrs prior to the placement of Glass grid. Transverse joints must be lapped in the direction of the paver not less than 150 mm and longitudinal joints must be lapped not less than 50 mm. The item should be completed in all respect to the satisfaction and direction of Engineer - in - charge. *Note- Applying of tack coat and repair of cracks/joints/pot holes shall be paid saperately in respective items.

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 : On Concrete surface @ 0.75 Kg / sqm

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 : On bituminous surface @ 0.50 Kg / sqm