Sprinkler and fire pumps only run on test or in a fire, so their panels are easy to miss. How to time the survey with the pump run, what can be imaged at any time, and what to keep out of the findings.
Sprinkler and fire pumps only run on test or in a fire, so their panels are easy to miss. How to time the survey with the pump run, what can be imaged at any time, and what to keep out of the findings.