Does the requirement in NFPA 13 that “All valves controlling water supplies for sprinkler systems or portions thereof, including floor control valves, should be accessible to authorized persons during emergencies. Permanent ladders, clamped treads on risers, chain-operated hand wheels, or other accepted means should be provided where necessary” imply there is a maximum height limit for floor control valves or standpipe isolation valves?
I have a couple standpipe projects where I am having trouble squeezing in a standpipe isolation valve down low (in elevation). I haven't found a confirmation in the standard or handbook that identifies a maximum height for accessibility.
Thanks in advance.
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