It is becoming more common to find facilities using or at least “experimenting” with some “car seal” program or, as some call it, the “Lock Open – Lock Closed” program. These are the programs where a valve has been identified as a safety critical valve and needs to either stay closed or open until certain procedures have been carried out. To ensure this, the facility will either place some seal on the valve or use a lock to keep it in a safe position.
I encourage every facility to have this type of car-seal program, as most facilities covered by a commercial insurance carrier are most likely already using some variation of this on their sprinkler risers.
Do you have locks on your sprinkler risers to prevent them from being closed?