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For new sprinkler systems or additions to existing sprinkler systems, the available water supply shall exceed the sprinkler system demand, including hose stream requirements, by 5 psi (0.34 bars) or more.

Related Code Sections

903.3.8 Fire Protection Systems, Sprinkler System Design Pressure Safety Margin
For new sprinkler systems or additions to existing sprinkler systems, the available water supply shall exceed the sprinkler system demand, including ...
910.5.1 Fire Protection and Life Safety Systems, Methodology
operations or during marginal sprinkler control situations. They are not considered life safety systems and are not designed for occupant safety ...
910.5.1 Fire Protection Systems, Methodology
operations or during marginal sprinkler control situations. They are not considered life safety systems and are not designed for occupant safety ...