tender for renewal work of simaur shakha road(with five year maintainance). - providing and applying tack coat with bitumen vg-10 using bitumen pressure distributor at the rate of 0.30 kg per sqm on the prepared bituminous surface cleaned with mechanical broom. as per si-503 but including cost of bitumen. gst shall be paid extra as applicable at the time of payment. 2 providing, laying and rolling of open - graded premix surfacing of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregatesusing viscocity grade bitumen to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable hot mix plant of appropriate capacity not less than 200 tonnes/hour, laying and rolling with a smooth wheeled roller, finished to required level and grades.as per clause 510,including royality on materials & cost of bitumen . gst shall be paid extra as applicable at the time of payment. 3 providing and laying of premix sand seal coat with hmp of appropriate capacity not less than 200 tonnes/ hours using crushed stone chipping 6.7 mm size and penetration bitumen of suitable grade.as per clause 511,including royality on materials & cost of bitumen . gst shall be paid extra as applicable at the time of payment.