Renovation work of right service road on Bisoha Mr. from km. 3.688 to km. 6.390

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with three wheel 80-100 kN static roller in stages to proper grade and camber, applying and brooming, crushable screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405.

Providing and applying primer coat with SS 1 grade bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.70 kg/sqm using mechanical means.

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/granular surface cleaned with mechanical broom.

Providing laying & rolling of open graded premix carpet of 20 mm thickness composed of 13.2mm to 5.6 mm aggregates using bitumen(VG-30) 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 120TPH ,laying and rolling with a smooth wheel 80-100 KN static roller capacity finished to required level and grades as per Technical Specification Clause 510

Providing and laying seal coat 'B' Type sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall .

Earth work in cutting or in embankment in ordinary soil exavation to be in the form of irregular pits and earth work in embankment to be in 20cm. Layers including ramming and dressing the surface to the required level and slopes and also including 1.50M lift and 30 M lead. The earth from cutting to be used in making embankment or to be deposited as spoil bank within 30 M distance as directed by the Engineer-in charge.