What is one of the key elements regulated under Part 10?

One of the key elements regulated under Part 10 of the Ontario Building Code focuses on specific requirements concerning changes in major occupancy classifications without the necessity of new construction. This means that when a building's use changes, the regulations provide standards that must be adhered to, ensuring safety and functionality according to the new occupancy type.

Part 10 recognizes that altering the use of a space can have implications for safety, structural integrity, and compliance with applicable codes, even if the building itself is not undergoing physical construction. Therefore, the provisions under this part ensure that any major occupancy change is evaluated for safety, accessibility, and other relevant performance requirements.

Other options, while relevant to building regulations, pertain to different aspects of building code compliance. For example, the construction of new buildings and the maintenance of existing structures fall under different parts of the code, focusing on different compliance requirements. Safety code compliance for new materials also addresses a separate area concerning the introduction of new technologies and building substances, rather than the operational use of existing structures.