Reactor Operator Practice Exam

Minimum staffing for Modes 1-3 focuses on ensuring the people who operate and monitor the plant can do so reliably and with timely support. An operator in the control room is essential for real-time observation and control. A designated second person who is physically on campus or able to reach the control room within ten minutes provides crucial redundancy so operations can continue smoothly if the primary operator is unavailable. A designated senior operator readily available on call within thirty minutes ensures expert oversight and rapid escalation if more complex decisions are needed. A separate security guard in the control room doesn’t contribute to the ability to monitor, control, or rapidly respond to plant conditions, and security staffing is not counted toward the operational minimum staffing. Hence, that option is not part of the minimum staffing requirements for Modes 1-3.