How does NFPA 13E treat temporary shutdowns or isolation of hydrants?

How does NFPA 13E treat temporary shutdowns or isolation of hydrants?

• A. There are no procedures for shutdowns.
• B. Procedures should be in place to safely isolate sections while maintaining overall readiness and safety.
• C. Hydrants must be permanently shut down during maintenance.
• D. Shutdowns require immediate replacement of hydrants.

Answer: (D)

Temporary shutdowns or isolation of hydrants are addressed by having documented procedures to safely isolate a portion of the system while maintaining overall readiness and safety. The idea is to perform maintenance or testing without leaving the fire protection coverage reduced in a way that could endanger occupants or impede firefighting. A proper plan specifies which valves to operate, how to preserve water supply to the remaining hydrants and standpipes, and how to verify that protection remains effective after the work. It also covers coordinating with the fire department, notifying building occupants, and using approved temporary measures to ensure adequate pressure and flow in the parts of the system that remain in service. A shutdown is treated as a controlled, temporary condition, not a reason to permanently remove or replace hydrants; replacement would be considered only if a hydrant is found to be unusable or beyond repair.