RENEWAL WORK AT KATANA PASI ROAD TO MACHRIYAI ROAD

WBM (G-3) Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN 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 density grading 3 as per technical specification clause-405

Providing and applying tack coat with bitumen (VG-10) at the rate of 0.30 kg per sqm on the prepared granular surfaces treated with primer & cleaned with Hydraulic broom as per technical specification clause-503

Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or emulsion 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 three wheel 80-100 kn static roller capacity, finished to required level and grades. as per Technical Specification clause-508

Providing & laying seal coat 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

Earth work in cutting or in embankment in ordinary soil excavation to be in the form of a regular pits not exceeding 0.50m in depth and earth work in embankment to be in 20cm layers including ramming and dressing the surface to required levels and slopes and also including 1.5 m lift and 30m lead. The earth in form of cutting to be used as spoil banks within 50m distance as directed by the Engineer-in-Charge.

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