How often should fire safety drills be conducted in buildings?

The correct answer emphasizes the importance of conducting fire safety drills regularly as part of ongoing fire safety training. This approach ensures that all occupants are familiar with emergency procedures, understand their roles during an evacuation, and can respond effectively in the event of a fire. Regular drills help reinforce these practices and can be adapted to incorporate new procedures, address changes in the building layout, or accommodate new tenants.

Establishing a routine for fire drills not only enhances preparedness but also helps identify potential issues in evacuation plans, giving occupants and management a chance to address them proactively. This consistent practice fosters a culture of safety within the building, ensuring occupants remain vigilant and informed.

Other options suggest either inadequate frequency or specific circumstances that don't align with best practices in fire safety. For instance, conducting drills only when a new tenant moves in or relying on infrequent schedules may leave occupants unprepared in an emergency. The vital aspect of option C is its recognition of the dynamic nature of fire safety and the need for ongoing training and practice.