What does Part 5 of the Building Code Compendium focus on?

Part 5 of the Building Code Compendium primarily focuses on the requirements for the design of building elements to control environmental factors. This part includes provisions related to energy efficiency, moisture control, and thermal performance of building components, ensuring that they contribute to a comfortable and environmentally sustainable indoor environment. By addressing these factors, Part 5 emphasizes the need for buildings to not only be structurally sound but also to maintain interior conditions that are conducive to the health and comfort of occupants.

In contrast, the other options present elements that are not the core focus of Part 5. While aesthetic considerations, electrical systems, and safety standards for tools and equipment are important aspects of building design and construction, they fall under different sections of the building code. These aspects are typically addressed respectively in parts dedicated to structural design, electrical installations, and safety requirements for construction practices. Thus, Part 5's concentration on environmental control is essential for aligning with modern expectations of sustainability and occupant well-being in the built environment.