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| 1 | Removal of unsuitable soil including excavation, loading and disposal upto 1000 m lead but excluding compactionground supporting embankment subgrade replacement by suitable soil, which shall be paid separately as per Clause 303.5.2 as per Technical Specification Clause 302.3.11 |
| 2 | Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303.1. |
| 3 | Granular Sub-base with Well Graded Material (Table 400.1)By Mix in Place MethodConstruction of granular sub-base by providing well graded material, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavatorat OMC, and compacting with smoothwheelroller to achieve thedesired density, complete as per Technical Specification Clause 401.(ii) For Grading II Material |
| 4 | WBM Grading 2Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with threewheel 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 2 as per Technical Specification Clause 405.(B) By Mechanical Means |
| 5 | WBM Grading 3Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with threewheel 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.(B) By Mechanical Means |
| 6 | Prime Coat :Low porosityProviding and applying primer coat with bitumen emulsion (CSS-1) on prepared surface of granular base/WBM/WMM including cleaning of road surface and spraying primer at the rate of 0.70-1.0 kg/sqm using mechanical means as per Technical Specification Clause 502 |
| 7 | Tack CoatProviding and applying tack coat with Bitumen emulsion (CRS-1)using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503. |
| 8 | 20mm thick Open-Graded Premix Carpet using Bituminous (penetration grade/modified bitumen) BinderProviding, 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 to be followed by seal coat of either Type A or Type B or Type C as per Technical Specification Clause 508.Case - I ByManual Means(iv) Crumb Rubber Modified Bitumen |
| 9 | Seal CoatProviding and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification Clause 510By Manual MeansCase - I:Type A(iv) Crumb Rubber Modified Bitumen |
| 10 | Construction ofunlined surface drains of average cross-sectional area 0.40 sqm in soil to specified lines, grades, levels and dimensions. Excavated material to be used in embankment with a lift upto 3m and lead of 50 m (average lead 25 m) as per Technical Specification Clause 307.Manual Means |
