Details: proving and applying tack coat with bitumen emulsion ( rs – 1 ) using emulsion pressure distributor at the rate of 0.25 kg to 0.30 kg per sqm. on the prepared bituminous surface cleaned with hydraulic broom as per technical specification clause 503. including entire carraige of materials upto all leads and lifts and as per the direction of engineer-in-charge. providing and laying bitumen macadam with hard stone aggregate of quality, size and grading as specified, with bitumen of suitable grade, including required key aggregate as specified, spreading coarse aggregate with the help of self propelled/ tipper tail mounted aggregate spreader and applying bitumen by a pressure distributor and then spreading key aggregate with the help of aggregate spreader complete, including consolidation with road roller of minimum 8 to 10 tonne capacity to achieve specified values of compaction and surface accuracy: for 50 mm compacted thickness using coarse aggregate of size 50-20 mm graded @ 0.60
Sector: PWD