Which activity specifies a rehabilitation requirement for members during work/rest guidelines?

The correct answer indicates the use of a second 30-minute self-contained breathing apparatus (SCBA) cylinder as part of the rehabilitation requirement during work/rest guidelines. This choice suggests that under certain conditions—especially in environments where hazardous fumes or particulates are present—an individual may need to continuously breathe clean air for extended periods. The use of a second SCBA allows personnel to manage their air supply effectively, particularly during intense physical efforts, which can lead to fatigue and increased physical strain.

In rehabilitation practices, it is essential to ensure that responders have access to adequate air supplies that can sustain their efforts safely. The protocols involve monitoring work levels and ensuring proper rest periods. By having access to additional breathing apparatuses, individuals can safely complete their tasks while adhering to set work/rest ratios, ultimately preventing overheating and dehydration and promoting overall safety and well-being in high-stress scenarios.

The other options present different scenarios that do not encompass the overall rehabilitation requirement as effectively, as they either indicate less time for work or restrict the use of breathing apparatus for extended periods, thereby not aligning with safety protocols for extended operations.