tender for providing and applying tack coat with bitumen emulsion (rs-i) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.275 kilogramme per square meter using mechanical means as per technical specification clause 502 (five hundred two) including carriage of materials in all leads and lifts as per entire satisfaction and direction of engineer-in-charge. , mix seal surfacing providing laying and rolling of close graded premix surafcing materials of 20 mm thickness composed of 11.2 mm to 0.90 mm (type-a) or 13.20 mm to 0.90 mm (type-b) aggregates using penetration grade bitumen of required line grade and level to serve as wearing course on a previously prepared base including mixing in a suitable palnt laying and rolling with a three wheel static roller 8-10 kn static roller and finsihing to required level and grades as per technical specification clause 509 complete in all respects including carriage of materials with in all leads and lifts as per the direction of engineer in charge