Primary Hazards
Demolition work involves the dismantling, razing, or removal of structures, and it presents unique hazards that need to be carefully managed.
Demolition work presents unique hazards.
The hazards unique to demolition include all of the following:
- Changes from the structure's design introduced during construction;
- Approved or unapproved modifications that altered the original design;
- Materials hidden within structural members, such as lead, asbestos, silica, and other chemicals or heavy metals requiring special material handling;
- Unknown strengths or weaknesses of construction materials, such as post-tensioned concrete;
- Hazards created by the demolition methods used such as exposure to excessive dust, noise and vibration.
Knowledge Check Choose the best answer for the question.
3-2. Which hazard is unique to demolition?
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