Before any demolition operation, an engineering survey of the structure must be conducted by a competent person. The purpose of this survey is to assess the condition of the framing, floors, and walls so that measures can be taken to prevent the premature collapse of any portion of the structure. When applicable, adjacent structures or improvements are also checked. The demolition contractor must keep a written copy of this survey. Photographing existing damage in neighboring structures is also recommended.

The engineering survey provides the demolition contractor the opportunity to evaluate the job in its entirety. The contractor should plan for the wrecking of the structure, the equipment to do the work, manpower requirements, the safety of workers on the job site, and the public.

The contractor should plan for potential hazards such as fires, cave-ins, and injuries. During this planning stage all safety equipment needs should be determined. The required number and type of respirators, fall protection, warning signs, special face and eye protection, hearing protection, and other protective devices should be selected.




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