Is there support in the standard to require a control valve supplying a combination sprinkler/standpipe system (standpipe isolation valve) so that a ladder wouldn't be needed to close the valve?
All control valves are to be accessible, but not necessarily readily accessible.
I like to require that they not be installed more than 7-ft, but am looking for code guidance here.
Is there code justification for 7-ft valve requirement?
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