Restoration of flood damaged road from Mothambil to Dolgaon road (Boulder protection work at Ch.90.00m to Ch.250.00m including resurfacing from Ch.0.00m to Ch.1525.00m) under SDRF (FDR) for the year 2021-22. Package No.176_5

Amount

Road Work: Construction of embankment with approved material obtained from borrow pits with initial lead up to 3.00km, transporting to site, spreading, grading to required slope and compaction to meet requirement of Tables 300-2 (including land compansation of earth).

Providing and laying filter material underneath pitching in slopes complete as per drawing and technical specifications Clause 1302.

Providing and laying pitching on slopes laid over prepared filter media as per drawing and technical specifications Clause 1302.

Providing and laying of boulder apron laid in wire crates with 4 mm dia GI wire conforming to IS:280 and IS:4826 in 100 mm x 100 mm mesh (woven diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 25 kg each as per drawing and technical specifications Clause 1301

Construction of subgrade and earthen shoulders with approved material obtained from borrow pits with initial lead upto 3.00km, transporting to site, spreading, grading to required slope and compaction to meet requirement of Table 300.2 (including land co...

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. (II) For Grading-II Materials.

WBM Grading-2 Using stone screening Type-B 11.2mm for Gr.II: Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing packing, rolling rolling with smooth wheel roller 80-100 kN 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 2 as per Technical Specification Clause 405. (A) By Manual Means.

WBM Grading-3 Using stone screening Type-B 11.2mm for Gr.III: Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing packing, rolling rolling with smooth wheel roller 80-100 kN 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 3 as per Technical Specification Clause 405. (A) By Manual Means.

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.

Providing and applying tack coat with Bitumen emulsion (RS-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

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 to be followed by seal coat of either Type A or Type B or Type C as per Technical Specification Clause 508.

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

Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3 fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron post....... (vi) 80 cm x 60 cm square

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