Under what condition can a department vehicle be parked at work sites?

The correct answer highlights the importance of chain of command and authorization within the Oklahoma City Fire Department. Vehicles must be parked at work sites only when authorized by the Deputy Chief of Support, ensuring that proper procedures and protocols are followed. This process helps maintain organization and accountability within the department, preventing unauthorized access or parking that could lead to confusion or complications at the work site.

Other options imply various conditions that may not align with the department's policies. For example, suggesting parking is acceptable only if extra space is available does not emphasize the need for prior authorization. Specifying hours for parking could lead to unintentional violations if not clearly communicated or monitored. Finally, allowing parking anytime without restrictions would undermine the structure of control that ensures safety and operational efficiency, potentially causing issues in space management and emergency response protocols.