50mm AC Overlay

Fine gap graded 14mm nominal stone/mix. Typically use a C320 binder. Used generally in Urban heavily trafficked areas only or where roundabouts are present or have a high percentage of turning volumes. Typically age (Ravelling) used as driving factor and/or local surface defects. Heavilly trafficked areas i.e. Commercial and light vehicles or at intersections where severe distresses are present. Sprayed C170 Reseal with Heavy Patching Typically a 7mm, 10mm or 14mm Sprayed Seal on an existing sprayed seal, with prepatory patching. Generally used in Rural areas. Typically age used as driving factor and/or surface texture defects and also there are minor pavement or crocodile cracking defects present. When the segment has a high pavement defect or crocodile cracking defect presence. In situations where existing segment is Asphalt (in Urban areas commonly).

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