Salt Lake City requires NFPA 13 or 13R automatic sprinkler systems in nearly all new multifamily, townhouse, and commercial construction under the International Building Code adopted through Utah Code 15A, with SLC Building Services performing plan review and inspection.
SLC adopts the IBC and IFC by reference through Title 18, layering on Utah Code 15A statewide amendments. New apartments, condos, hotels, and large commercial projects must include automatic sprinkler systems sized to occupancy. Townhouses generally require NFPA 13D residential sprinklers. Single-family detached homes are not mandated to install sprinklers under current Utah amendments, although voluntary installation is encouraged. Substantial remodels that change occupancy classification or add stories often trigger retroactive sprinkler requirements. Annual five-year inspections and tag certifications are required by SLCFD for systems already in place.
Building without required sprinklers triggers stop-work orders, denial of certificate of occupancy, and daily fines. Failure to maintain existing systems leads to red-tag and occupancy revocation.
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Salt Lake City, UT
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