Which foam system has fixed discharge outlets connected to piping that terminates at a safe distance from the hazard?

Which foam system has fixed discharge outlets connected to piping that terminates at a safe distance from the hazard?

• A. Fixed
• B. Deluge
• C. Semifixed
• D. Portable

Answer: (C)

Foam systems are distinguished by where the discharge outlets are located relative to the hazard. In a semifixed system, the discharge outlets are permanently fixed in the piping, but the piping that feeds them terminates at a safe distance from the hazard. This setup places the hardware outside the most dangerous area while still delivering foam to the hazard through those fixed outlets. The foam solution is proportioned and delivered from a remote area, and the fixed outlets spray the foam onto or toward the hazard from a safer, more accessible location. This contrasts with fixed systems, where outlets are typically positioned directly at or very close to the hazard; deluge systems have all outlets open and flowing through a common piping network; and portable systems rely on movable equipment rather than permanently fixed piping.

Foam systems are distinguished by where the discharge outlets are located relative to the hazard. In a semifixed system, the discharge outlets are permanently fixed in the piping, but the piping that feeds them terminates at a safe distance from the hazard. This setup places the hardware outside the most dangerous area while still delivering foam to the hazard through those fixed outlets. The foam solution is proportioned and delivered from a remote area, and the fixed outlets spray the foam onto or toward the hazard from a safer, more accessible location.

This contrasts with fixed systems, where outlets are typically positioned directly at or very close to the hazard; deluge systems have all outlets open and flowing through a common piping network; and portable systems rely on movable equipment rather than permanently fixed piping.