CCI-000978

Protect the system from damage resulting from water leakage by providing master shutoff or isolation valves that are working properly.

Implementation Guidance

The organization being inspected/assessed will ensure that master shutoff valves are working properly and have been inspected by the appropriate organization (e.g., fire marshal, department of public works).

Validation Procedures

The organization conducting the inspection/assessment will visually inspect master shutoff valve inspection documentation (e.g., inspection form, tag attached to valve).

Compelling Evidence

1.) Evidence of functioning accessible master shutoff valves

The controls below (if any) were marked by NIST as being related to CCI-000978.