providing and applying primer coat with cationic bitumen emulsion of approved grade conforming to is:8887-1978 and requisite quantity on prepared surface of granular base including cleaning of road surface and spraying primer using mechanical means including cost and carriage of bitumen emulsion and all other incidental costs of work complete as per clause 502 of specifications for road & bridge works of mort&h (5th revision). (i) for wbm / wmm surface: (with primer @ 0.70-1.0 kg/sqm)
