In fire safety terms, a 'temporary measure for surveillance' is best defined as?

The term 'temporary measure for surveillance' is effectively captured by the concept of a Fire Watch. A Fire Watch is a proactive approach put in place when fire protection systems are impaired, such as during maintenance or repair work when alarms or sprinkler systems might not be operational.

This measure involves designated individuals, often trained personnel, who monitor the area for any signs of fire or smoke, ensuring a rapid response should an emergency arise. The key purpose of a Fire Watch is to maintain vigilant oversight in an environment where normal fire safety measures are compromised, thereby significantly enhancing safety during such times.

In contrast, an Emergency Response Plan is a comprehensive guideline for a variety of emergencies but does not focus solely on immediate surveillance. A Fire Drill is a practice procedure for evacuation in the event of a fire alarm, not meant for ongoing monitoring. A Fire Safety Audit involves assessing fire safety measures and compliance but is not a continuous monitoring process. Thus, the definition aligns most closely with the role and function of a Fire Watch in ensuring fire safety during periods of impairment.