How often must automatic sprinkler systems be tested as per Seattle fire code 901.6?

Automatic sprinkler systems must be tested annually according to Seattle fire code 901.6 to ensure they are functioning correctly and ready to provide safety and protection in the event of a fire. The annual testing requirement emphasizes the importance of keeping the systems in optimal working condition, as they play a critical role in fire suppression and prevention. Regular testing allows for the identification and correction of any potential issues, which is vital for maintaining the overall safety of a building and its occupants. This frequency aligns with best practices in fire safety management, ensuring that these critical life-safety systems are reliable and effective when needed.