Widening from SL to DL and Improvements at km 4/0 - 8/6 of Puthanchanthai - Kondampatty - Musiri road including Construction and reconstruction of Culverts and Construction of retaining and protective wall

Earth work excavation and depositing on bank with initial lead of 10m and initial lift of 2m in hard stiff clay, stiff black cotton hard red earth shales, murram gravel stoney earth and earth mixed with small size boulders as per SS20B for Boxing.

Granular Sub-base with Graded Material (Table:400-1) - Plant Mix Method (Construction of granular sub-base 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) - for Grading-V material

Wet Mix Macadam (Table:400-13) (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, complete as per clause 406)

Prime coat: (Providing and applying primer coat with bitumen emulsion (SS-I type) on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.70 kg/sqm using mechanical means as per clause 502) - over WMM/ WBM

Tack coat - (Providing and applying tack coat with bitumen emulsion (RS-I type) using emulsion pressure distributor at the rate of 0.25 kg/sqm on the prepared bituminous/ granular surface cleaned with mechanical broom as per clause 503) - over granular surfaces treated with primer

Tack coat - Providing and applying tack coat with bitumen emulsion (RS-I type) using emulsion pressure distributor at the rate of 0.20 kg/sqm on the prepared bituminous/ granular surface cleaned with mechanical broom as per clause 503 - over Bituminous surfaces

Tack coat - Providing and applying tack coat with bitumen emulsion (RS-I type) using emulsion pressure distributor at the rate of 0.30 kg/sqm on the prepared CC surface cleaned with mechanical broom as per clause 503 - over CC surfaces

Providing and Laying 50mm thick Bituminous Macadam using course aggregate and VG30 bitumen which shall consist of construction in a single course base/binder course confirming to the specficationon a previously prepared base, (using Mini Hot Mix Plant and Power Roller) including cost of material, labour charges, rentals for machinery, fuel and all other incidental charges etc., complete as per clause 504 MORTH Rev-5 (For Patch Works)

Dense Graded Bituminous Macadam (Table - 500-10): Providing and laying dense bituminous macadam with Hot Mix Plant using crushed aggregates of specified grading, premixed with bituminous binder (Viscosity Grade-30) at percentage specified by JMF by weight of total mix of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher 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.505) Grading-II

Bituminous Concrete (Table 500-17): Providing and laying bituminous concrete with hot mix plant using crushed aggregates of specified grading, premixed with bituminous binder (Viscosity Grade-30) at percentage specified by JMF of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher 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) - Grading-II