Close Graded Premix Surfacing/ Mixed SealSurfacing 20mm thickness (Type A) Providing, laying and rolling of close-graded premix surfacing material of 20 mm thickness Type A consisting of crushed stone aggregates of specified grading premixed in a Continuous type hot mix plant with bituminous binder VG-30 @ 2.2kg per sqm, laying with Paver Finisher Mechanical and rolling with a Smooth wheeled roller 8-10 tonne capacity, and finishing to required level and grade complete as per technical clause 508 of MORT&H specifications