The technical specifications of the metal supporting frame for an air-conditioning unit/a light fitting projecting from an external wall for validation and corresponding minor works items are listed in Part 4 of Schedule 3 of the Building (Minor Works) Regulation (B(MW)R). The works must be in existence or completed before 1 September 2020.
Metal supporting frame for an air-conditioning unit
The prescribed building or building works item
4
Corresponding minor works items
2.49
- Projecting from an external wall of a building
≤ 600mm - Design weight capacity of the supporting frame
100kg - 150kg - Distance between the highest point of the frame and the adjoining ground or roof
> 3m - No additional load to any cantilevered slab
3.27
- Projecting from an external wall of a building
≤ 600mm - Design weight capacity of the supporting frame
≤ 100kg - Distance between the highest point of the frame and the adjoining ground or roof
> 3m - No additional load to any cantilevered slab
There are other types of supporting frame for an air-conditioning unit specified in Part 2 of Schedule 3 of the B(MW)R that may still be validated if it is in existence or completed before the implementation of the Household Minor Works Validation Scheme on 31 December 2010. For details, please refer to the Household Minor Works Validation Scheme.
Metal supporting frame for a light-fitting
The prescribed building or building works item
5
Corresponding minor works items
2.49
- Projecting from an external wall of a building
≤ 600mm - Design weight capacity of the supporting frame
100kg - 150kg - Distance between the highest point of the frame and the adjoining ground or roof
> 3m - No additional load to any cantilevered slab
3.27
- Projecting from an external wall of a building
≤ 600mm - Design weight capacity of the supporting frame
≤ 100kg - Distance between the highest point of the frame and the adjoining ground or roof
> 3m - No additional load to any cantilevered slab