Madison adopts Wisconsin Uniform Building Code requirements for sprinklers: NFPA 13 in commercial buildings, NFPA 13R in multi-family three units or more, and NFPA 13D for one- and two-family homes meeting size or access thresholds.
Madison enforces sprinkler requirements through Wis. Admin. Code SPS 362 (Wis. Commercial Building Code) and SPS 320-325 (Uniform Dwelling Code), as authorized by Wis. Stat. §101.65. Apartment buildings of three or more units typically need NFPA 13R systems; commercial occupancies follow NFPA 13. Wisconsin does not mandate sprinklers in single-family homes statewide, but Madison may require NFPA 13D for homes exceeding code-defined size or access thresholds during plan review. Madison Fire Department Fire Prevention performs acceptance testing; annual inspections by licensed contractors are required. UW-Madison campus dorms maintain campus-managed sprinkler systems separately.
Building without required sprinklers brings stop-work orders and forfeitures of $500-$5,000; failure to maintain occupancy systems violates state code with daily compounding penalties.
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