Which role provides BOD and DID, responds to RFIs and COs, conducts regular site observations, coordinates design and changes with owner and end-users, reviews O&M manuals/as-builts, and provides HVAC training on the design intent?

• A. Owner / operator
• B. Commissioning agent
• C. Design consultants
• D. Mechanical contractor

Answer: (C)

The design team is the one responsible for establishing and communicating how the system is supposed to perform. They generate the Basis of Design (BOD) and Design Intent Documentation (DID), which capture the performance criteria, equipment choices, and control strategies that the project aims to achieve. They handle RFIs and change orders during design and construction to keep the design aligned with the owner's needs, and they conduct site observations to verify that what’s being built reflects the design intent. They also coordinate changes with the owner and end-users to ensure the built solution meets expectations, review operation and maintenance manuals and as-builts to ensure documentation reflects the actual design, and provide HVAC training focused on the design intent so the operating team understands how the system is supposed to operate.