Repair of Pot-holes, filling of depressions using Premix and Seal Coat works on the Shyampur More to Rudrakhanda road from chainage 0.00 km to 6.00 km (in stretches) under Uttar Dinajpur Division P.W.D. in the district of Uttar Dinajpur.

By Manual Means

Grading - 2

Using Screening type - B (11.2 mm aggregate)

Providing, laying and rolling of open - graded premix surfacing of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using viscosity grade bitumen of approved grade to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a smooth wheeled tandem or other approved type roller 8-10 tonne capacity, finished to required level and grades (Reference to MORT&H's specification clause 510). Mechanical method using approved grade Bitumen and HMP of appropriate capacity not less than 75 tonnes/hour

Seal Coat Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using. Type B seal coats (Reference to MORT&H's specification clause 511). Providing and laying of premix sand seal coat with HMP using approved crushed stone chipping and viscosity grade paving bitumen of suitable approved grade.

On WMM/WBM surface @ 0.85kg /sqm. Using Cationic SS-1

On Granular surface treated with primer @ 0.275 /sqm. Using Cationic RS