What step should be taken before beginning renovation in a building suspected of containing asbestos?

Conducting an asbestos survey is a crucial step before beginning renovation in a building suspected of containing asbestos. This survey involves a thorough assessment of the site to identify the presence, type, and condition of asbestos-containing materials. By having this information, property owners and contractors can make informed decisions on how to manage or remediate the asbestos safely, thus protecting workers, building occupants, and the environment from hazardous exposure.

Properly identifying and assessing the risk of asbestos is fundamental to ensuring compliance with safety regulations and legal requirements regarding asbestos handling and abatement. This proactive measure is particularly important because disturbing asbestos during renovation can release harmful fibers into the air, posing serious health risks.

In contrast, notifying the local fire department, removing furniture, or sealing off the building may be necessary steps in some circumstances, but they do not address the critical need for an asbestos assessment prior to any physical work beginning. Without the information provided by an asbestos survey, there may be unforeseen risks that could lead to unsafe working conditions and potential health hazards.