903.3.5.3 Control Valve Location. Fire sprinkler system main control valves shall be located in a fire sprinkler riser room that is separated from the building on all sides by a one-hour fire barrier, horizontal assembly, or both, including opening and penetration protection, as defined by the Building Code. The fire sprinkler riser room shall be provided with an exterior door that opens directly into the room.
Exception: Sprinkler systems provided with post indicator valves located in an approved location.
(Ord. 48-20, 12-8-2020, eff. 1-1-2021; amd. Ord. 10-23, 3-7-2023)