Defects Intervention Levels Table 4.5 Defects Intervention Levels Defect Response Time Defect Intervention Defect Description Level Link Collector Access SEALED PAVEMENT Potholes in traffic Rectify Rectify Rectify POTHOLES lane >300mm dia. within 5 within 7 within 14 and 100mm deep days days days When ruts or depressions >25 mm Rectify as WHEEL RUTS AND depth measured with Rectify Rectify resources DEPRESSIONS 1.2 m straightedge within 4 within 4 become transverse, or under weeks weeks available a 3 m straightedge longitudinal. CRACKS Rectify as Rectify as Rectify as Seal and fill cracks and When cracks >30 mm resources resources resources joints, excluding “crocodile” width. become become become cracking, available available available When – stripping has >50% loss of aggregate for an area Rectify as Rectify as Rectify as SURFACE TREATMENT – >5 m2; resources resources resources LOSS OF AGGREGATE, bleeding / become become become BLEEDING OR FLUSHING flushing for an area available available available >5 m2; all “crocodile” cracking. When accumulation of aggregate, dirt or PAVEMENT CLEANING – debris over a 5 Rectify Rectify Rectify REMOVAL OF DEBRIS Square Metre area within 8 within 8 within 8 prevents the free weeks weeks weeks drainage of the pavement. When edge break exceeds 75 mm Rectify Rectify Rectify EDGE BREAK laterally over at least within 2 within 4 within 8 a 1 m length from weeks weeks weeks the nominal seal line.
Defects Intervention Levels Table 4.5 Defects Intervention Levels Defect Description Defect Intervention Level Defect Response Time Link Collector Access SEALED PAVEMENT POTHOLES Potholes in traffic lane >300mm dia. and 100mm deep Rectify within 5 days Rectify within 7 days Rectify within 14 days WHEEL RUTS AND DEPRESSIONS When ruts or depressions >25 mm depth measured with 1.2 m straightedge transverse, or under a 3 m straightedge longitudinal. Rectify within 4 weeks Rectify within 4 weeks Rectify as resources become available CRACKS Seal and fill cracks and joints, excluding “crocodile” cracking, When cracks >30 mm width. Rectify as resources become available Rectify as resources become available Rectify as resources become available SURFACE TREATMENT – LOSS OF AGGREGATE, BLEEDING OR FLUSHING When – stripping has >50% loss of aggregate for an area >5 m2; bleeding / flushing for an area >5 m2; all “crocodile” cracking. Rectify as resources become available Rectify as resources become available Rectify as resources become available PAVEMENT CLEANING – REMOVAL OF DEBRIS When accumulation of aggregate, dirt or debris over a 5 Square Metre area prevents the free drainage of the pavement. Rectify within 8 weeks Rectify within 8 weeks Rectify within 8 weeks EDGE BREAK When edge break exceeds 75 mm laterally over at least a 1 m length from the nominal seal line. Rectify within 2 weeks Rectify within 4 weeks Rectify within 8 weeks