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Minor Works Items

Ventilation duct works or associated supporting frames inside a building

Contractors can only undertake the relevant classes or items of minor works for which they have been registered.

Ventilation duct works or associated supporting frames inside a building

Erection/Alteration
Class I

1.46

Minor Works Items 1.46

Erection/Alteration

  1. Any metal ventilation duct or associated supporting frame is located inside a building
  2. Smallest cross-sectional dimension of the duct
    > 900mm; and
    Largest cross-sectional dimension of the duct
    > 1800mm
Class II

2.46

Minor Works Items 2.46

Erection/Alteration

  1. Any metal ventilation duct or associated supporting frame is located inside a building
  2. Smallest cross-sectional dimension of the duct
    > 900mm; and
    Largest cross-sectional dimension of the duct
    ≤ 1800mm
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