Contractors can only undertake the relevant classes or items of minor works for which they have been registered.
Drainage (underground)
Addition/Alteration
Class I
1.26
Addition/Alteration
- The works involve excavation of depth
1.5m – 3m
Class II
2.29
Addition/Alteration
- The works involve excavation of depth
≤ 1.5m
Repair
Class I
1.25
Repair
- The works involve excavation of depth
1.5m – 3m
Class II
2.28
Repair
- The works involve excavation of depth
≤ 1.5m
Removal
Class I
1.36
Removal
- The works involve excavation of depth
1.5m – 3m
Class II
2.36
Removal
- The works involve excavation of depth
≤ 1.5m