Defect Sub Type

ID Defect Sub Code Name Description Severity Description Measurement Method Unit Of Measurement Defect Type
1 PH01 Pothole < 300 mm diameter Isolated pothole under 300 mm across. Isolated pothole under 300 mm across. Count and diameter of holes per section Each Pothole
2 PH02 Pothole >= 300 mm diameter Pothole 300 mm or larger, or deeper than 50 mm — t... Pothole 300 mm or larger, or deeper than 50 mm — t... Diameter (mm) and depth (mm) Each Pothole
3 CR01 Crocodile cracking Interconnected fatigue cracking indicating pavemen... Interconnected fatigue cracking indicating pavemen... Affected area (m2) Square metre Cracking
4 CR02 Longitudinal / transverse crack Single cracks wider than 3 mm. Single cracks wider than 3 mm. Crack length (lineal metres) Lineal metre Cracking
5 ED01 Edge drop-off > 75 mm Vertical drop from seal edge to shoulder exceeding... Vertical drop from seal edge to shoulder exceeding... Drop depth (mm) over affected length (lm) Lineal metre Edge Break
6 RU01 Rutting > 25 mm Wheelpath rut depth exceeding 25 mm under straight... Wheelpath rut depth exceeding 25 mm under straight... Rut depth (mm) over affected length (lm) Lineal metre Rutting / Deformation
7 UD01 Corrugations Transverse corrugations on unsealed surface affect... Transverse corrugations on unsealed surface affect... Affected area (m2) Square metre Unsealed Defect
8 DB01 Culvert / pipe blockage Culvert or pipe more than one-third blocked. Culvert or pipe more than one-third blocked. Blockage proportion per structure Each Drainage Blockage
9 VG01 Sight-distance vegetation Vegetation reducing sight distance at intersection... Vegetation reducing sight distance at intersection... Affected area (m2) Square metre Vegetation
10 SD01 Regulatory sign missing / damaged Regulatory or warning sign missing, illegible or u... Regulatory or warning sign missing, illegible or u... Count of signs Each Sign Defect
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