Re-sufacing and strengthening of coal transportation road by bitument carpeting from Rajur fata to SAM office approach road at Rajur under Ghonsa Sub Area Wani North Area

Amount

Filling Pot- holes and Patch Repairs with open - graded Premix surfacing, 20mm. Removal of all failed material, trimming of completed excavation to provide firm vertical faces, cleaning of surface, painting of tack coat on the sides and base of excavation as per clause 503, back filling the pot holes with hot bituminous material as per clause 510, compacting, trimming and finishing the surface to form a smooth continuous surface, all as per clause 3004.2

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. Using Drum Mix Plant of appropriate capacity.for GradingII(19 mm nominal size) bitumen content 3.5%

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. @ 0.30 kg per sqm (Non-bituminous surfaces) cement concrete pavement.

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 Using Drum Mix Plant of appropriate capacity. for Grading-II ( 30-45 mm thickness ) with 60/70 bitumen(VG-30)

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.@ 0.25 kg per sqm (normal bituminous surfaces)

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 and B seal coats all complete as per clause 511 of specification. Case - II : Type B (Providing and laying of premix sand seal coat with HMP of appropriate capacity not less than 75 tonnes/ hours using crushed stone chipping (aggregate shall pass 2.36mm seal and retained to 180 micron sieve) and penetration bitumen of suitable grade all complete as per clause 511 of specification.

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.

Total impact of GST for the purpose of CTC

Shri R. V. Umbarkar

M/S R. V. SUNKURWAR