Is installing a smoke detector in a ceiling where asbestos products are present regulated by the Construction Standard?
A. Depending on the potential source of asbestos exposure, the installation of a smoke detector could be Class IV, Class III, or neither. If the ceiling material to which the detector is to be attached is asbestos, the competent person must assess whether the attachment will involve “contact” (Class IV) or actually “disturb” the ceiling ACM [(Class III)]. Where the source of asbestos exposure [is from] dust and debris above the ceiling, for example from friable sprayed on/troweled on surfacing [ACM], the competent person should direct a Class IV cleanup before installing the detector. Otherwise the installation may be a Class III job if it involves disturbing debris and dust containing asbestos. Q. What must an employer do if one is not sure what class the asbestos activity belongs in? A. If it is not clear in which category the work belongs, the employer is to assume the higher, more restrictive, category applies, and must comply with the listed work practices and controls for that ca
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