Identification signs required in fire/smoke barriers must be located within how many feet at the end of each wall?

The requirement for the placement of identification signs in fire/smoke barriers is specifically stipulated to ensure that individuals can easily locate and recognize these critical safety features in emergencies. The correct answer indicates that the signs must be located within 15 feet at the end of each wall.

This distance is designed to balance visibility and practicality, allowing individuals to spot these signs without needing to search extensively. The 15-foot requirement helps ensure that anyone in the vicinity can immediately identify the location of fire/smoke barriers, which is crucial for evacuating or directing emergency response efforts.

In contrast, shorter distances might result in some signs being too far apart or potentially missed in the rush of an emergency. Similarly, longer distances could create a scenario where individuals might not be able to see the signs quickly enough, compromising safety during a situation that may require immediate action. Thus, the 15-foot specification serves to optimize both safety and ease of navigation in a commercial building regarding fire protection measures.