Improvements from km 130/890 to 131/890 of NH-648 (Sharjapur - Bagalur - Hosur Road) Under Annual Plan 2025-26 in the State of Tamil Nadu

Earthwork excavation including removal and satisfactory disposal of all materials necessary for the construction of road way and side drain in accordance with specification and lines grades and cross section shown in drawing or as indicated by the engineer for all other incidental charges etc., complete for Paver Block.

Construction of granular sub-base Grade-III by providing close graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401

Providing, laying, spreading and compacting graded stone aggregate to Wet Mix Macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with paver in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density.

Supply and laying TAMIN Paver Block of approved make as per vendor list at petrol pump driveways with M40 grade concrete blocks with minimum thickness of 80mm and providing minimum 40/30mm thick quarry dust cushion below the pavers subbase quarry dust filling between pavers and compacting the same as per paver cost and conveyance of all materials labour charges etc. complete as per standard specification.

Scarifying existing bituminous surface to a depth of 50 mm by mechanical means Hydraulic excavator (Scarifying the existing bituminous road surface to a depth of 50 mm and disposal of scarified material with in all lifts and lead upto 1000 metres.) - For Culvert Portions

Providing and applying primer coat with bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.7 kg/sqm using mechanical means - For Culvert Portion

Tack Coat on Granular surfaces treated with primer (Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared bituminous surface cleaned with mechanical broom.) - For Culvert Portion

Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared Bituminous surface cleaned with mechanical broom.

Tack Coat on Cement concrete pavement (Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.30 to 0.35 kg per sqm on the prepared bituminous surface cleaned with mechanical broom.) - Over Concrete Surface

Providing and laying Dense Graded Bituminous Macadam with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 4.0 to 4.5 per cent by weight of total mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoRTH specification clause No. 507 complete in all respects. (50mm Thick) grade-II