Construction cum development of deteriorated road at APL Townshipunder Phase-II

Amount

Scarifying Existing Granular Surface to a Depth of 50 mm

Scarifying existing granular surface to a depth of 50mm and disposal of scarified material with a lift upto 3.0m and lead upto 1000m as per Technical specification Clause 301.4 By Mechanical means

Removal of Unsuitable Soil with Disposal upto 1000 m

Removal of unsuitable soil including excavation, loading and disposal upto 1000 m lead but excluding compaction ground 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

Granular Sub-base with Well Graded Material (Table 400.1)

By Mix in Place Method Construction 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 rotavator at OMC, and compacting with smooth wheel roller to achieve the desired density, complete as per Technical Specification Clause 401. For Grading I Material

Water Bound Macadam Sub-base/base

WBM Grading 1 Using stone screening Type-A 13.2 mm for Gr.I 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, stone screening/binding materials to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 1 as per Technical Specification Clause 404. By Mechanical Means

Prime Coat

High porosity Providing and applying primer coat with Bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 1.2-1.5 kg/sqm using mechanical means as per Technical Specification Clause 502.

Mix Seal Surfacing

Providing, laying and rolling of close-graded premix surfacing material of 20 mm thickness composed of 11.2 mm to 0.9 mm (Type-A) or 13.2 mm to 0.9 mm (Type-B) aggregates using penetration grade bitumen 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 8-10 kN static roller and finishing to required level and grades as per Technical Specification Clause 509 By Manual Means Type A Bitumen (S-90)

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 A, Type B and Type C as per Technical Specification Clause 510 By Manual Means Case - I : Type A Bitumen (S-90)

Maintenance of Bituminous surface road

Repair to pot holes and removal of loose material, trimming of sides, cleaning of surface by providing tack coat with bitumen emulsion, 20 mm thick pre-mix carpet using catonic bitumen emulsion and seal coat type B with bitumen emulsion

Construction of Subgrade and Earthen Shoulders

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.

TRIDEEP RANJAN GOGOI (BID ID -278928)

Himangshu Deka (BID ID -278902)

B.G. Enterprises (BID ID -278742)