Details: 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. a) for 75 mm compacted thickness in two layers using stone aggregate of size 63-41mm graded @ 0.90 per 10 sqm key aggregate of size 20.0 mm graded @ 0.18 per 10 sqm with paving asphalt grade vg-10 @ 68 kg/10sqm engagement of earth excavator for scarifying of existing deterioted surface etc. (lmr)
Sector: PWD