Parorha Canal Bridge to Sohsa Road

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification incluidng spreading in uniform thickness hand, packing, rolling with three wheel 80-100 KN static smooth Roller in stages to proper grade and camber, applying and brooming, stone screening to fill-up the interstices of coarse aggregate, watering and compacting to the required dencity Grading 3 (53 mm to 22.4 mm) as per technical specification clause 405

Providing and applying tack coat with bitumen VG-10 using bitumen distributor at the rate of 0.30 kg per sqm on the prepared bituminous surface cleaned with Hydraulic broom as per Technical Speicification Clause 503.

Providing, laying and rolling of open-graded premix carpet of 20mm thickness composed of 13.2 to 5.6 mm aggregates either using penetration grade bitumen or emulsion to required line, grade and level to serve as wearing coarse on a previously Prepared base, including mixing in a suitable plant, laying and rolling with a three wheel 80-100 kN static roller capacity, finished to required level and grades to be followed by seal coat of Type C as per Techincal Specification clause 508.

Providing and laying seal coat by manual means with VG-10 Grade Bitumen sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type C as per Technical Specification Clause 510

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