EPISODE · Oct 23, 2024 · 16 MIN
2020 MN Fire Code FAQ: What are the requirements for automatic sprinkler systems?
from MN Journeyman Sprinkler Fitter Exam Prep · host CaseyJames669
When the domestic service provides the water supply for the automatic sprinkler system, the supply shall be in accordance with Section 903.3.5.1 of the Minnesota State Fire Code. A single combination water supply is permitted, provided that the domestic demand is added to the sprinkler demand as required by NFPA 13R. Hydraulic calculations in accordance with NFPA 13 shall be provided to demonstrate that the available water flow and pressure are adequate. For new systems or additions, the available water supply shall exceed the sprinkler system demand, including hose stream requirements, by 5 psi or more.
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2020 MN Fire Code FAQ: What are the requirements for automatic sprinkler systems?
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