MN Journeyman Sprinkler Fitter Exam Prep

2020 MN Fire Code FAQ: What are the requirements for automatic sprinkler systems?

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    • 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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      MN Journeyman Sprinkler Fitter Exam PrepBy CaseyJames669