Re-surfacing and Strengthening of Bituminous Approach road from Ab-incline Junction to Main Magazine under Silewara Sub Area.

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared.

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, for all lift, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil.

Construction of shoulder with approved material/selected soil i.e. excavation all lifts and leads i.e. grading to required slope & camber of 4% and compacting using vibratory roller of 80 to 100 KN static weight to meet requirement ads per relevant clause of 400. Earthen shoulder (CBR value >7)

Granular Sub-base with Well Graded Material (CBR>30 or more) (Table:- 400-1 & Table 400-2) : Construction of granular sub-base by providing well graded material like natural sand crushed gravel or crushed stone having CBR >30, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator or plant mix method at OMC, and compacting with vibratory rollers of 80 to 100 kN static weight to achieve the desired density, complete as per Clause 401 of Specification. : Plant Mix Method : For Grading-I Material

Granular Sub-base with Well Graded Material (CBR>30 or more) (Table:- 400-1 & Table 400-2) : Construction of granular sub-base by providing well graded material like natural sand crushed gravel or crushed stone having CBR >30, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator or plant mix method at OMC, and compacting with vibratory rollers of 80 to 100 kN static weight to achieve the desired density, complete as per Clause 401 of Specification. : Plant Mix Method : For Grading-II Material

Wet Mix Macadam – 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. In accordance yo the table No. 400-12, 400-13 and as per clause of section 406 of specifications.

Providing and applying tack coat with low viscosity bitumen of VG 10 grade using bitumen pressure sprayer on the prepared bituminous/granular surface cleaned with mechanical broom and as per relevant clauses of section-503 of specifications. : (ii) @0.30 kg per sqm (dry & hungry bituminous surfaces /granular surfaces treated with primer)

Bituminous Macadam Providing and laying bituminous macadam using crushed aggregates of specified grading premixed with bituminous binder, transported to site, laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled as per clauses 501.6 and 501.7 to achieve the desired compaction and as per clause 504 of specifications. a) Using Batch Mix Plnt of appropriate capacity and Paver finisher Hydraustatic with Sensor. : (ii) for GradingII(19 mm nominal size) bitumencontent 3.5%

Bituminous Concrete Providing and laying bituminous concrete using crushed aggregates of specified grading, premixed with bituminous binder @ 5.4 to 5.6 % of 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 clause 507 of specification : a) Using Batch Mix Plant of appropriate capacity and Paver Finisher Hydraustatic with Sensor control. :(iv) for Grading-II (30-45 mm thickness ) with 60/70 bitumen (VG-30)

Supplying and filling in plinth with sand under floors, including watering, ramming, consolidating and dressing complete.