Contractors can only undertake the relevant classes or items of minor works for which they have been registered.
External block walls
Erection/Alteration/Removal
Class II
2.14
Erection/Alteration/Removal
- Height of the wall
1.1m – 3.5m
Class III
3.11
Erection/Alteration/Removal
- Height of the wall
≤ 1.1m
Repair
Class III
3.12
Repair
- Height of the wall
≤ 3.5m
Formation/reinstatement of openings on an external non-load bearing walls
Class III
3.45
Formation of wall opening
- Distance between the 2 farthest points within the area of opening
≤ 150mm; - For 2 or more openings, the distance between each of the openings
≥ 150mm; and - At the completion, the no. of openings within a wall area of 1m2
≤ 3
Class III
3.46
Reinstatement of wall opening
- Distance between the 2 farthest points within the area of opening
≤ 150mm