CDTRD/SOPD/B WORK/Mahmora LAC

Amount

Scarifying the existing bituminous road surface to a depth of 150 mm and disposal of scarified material with a lift upto 3 m and lead upto 1000 m as per Technical Specification Clause 301.4.

WBM Gr.-III Using stone screening Type-B. 11.2mm for Gr.-III. Water Bound Macadam (Providing laying spreading and compacting stone aggregate of specific sizes to water bound macadam specification including spreading in uniform thickness, hard packing, rolling with smooth wheel roller 80-100 KN in stages to proper grade and camber, applying and brooming stone screening to fillup the interstices of coarse aggregate watering and compacting to the reqd. density grading 3 as per Technical Specification clause 405 .(ii) For grading III material

PRIME COAT Medium porosity 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 0.90- 1.2 kg/sqm using mechanical means as per Technical Specification Clause 502.

TACK COAT 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.

Semi - Dense Bituminous Concrete (Providing and laying semi dense bituminous concrete 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 @ 4.5 to 5% of mix and filler transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the reqd. grade, lavel and alignment,rolling with smooth wheeled,vibratory and tandem rollers to achieve the desired compaction as per MoSRT&H cl. no.508. complete in all respect. (b) With rock dust as filler ( refer table 500-9 of MoSRT&H specification) (I)'with 60/70 or VG-30 grade bitumen for GradingII(10 mm nominal size)