30mm AC Overlay With Heavy Patching
Fine gap graded 7mm to 10mm nominal stone/mix. Typically use a C320 binder. Used generally in Urban areas only. Typically age (Ravelling) used as driving factor and/or local surface defects. This is a more expensive treatment and offers a smother surface for high and residental traffic and lowers noise in Urban areas and stops the sheer distresses from parked vehicles. Also there are minor pavement or crocodile cracking defects present. When the segment has high pavement defect or crocodile cracking defect presence. Also on Rural roads.
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