Fire flow requirements for new land development

Section 18.4 of the NFPA 1, as amended by the State Fire Code, is amended by adding a new subsection to be designated subsection 18.4.6 to read as follows: 18.4.6 Fire flow requirements for land use development. 18.4.6.1 General. A water supply capable of delivering the required fire-flow must be provided for all new land development including subdivisions and single parcel development intended for four or more structures in accordance with subsection 18.4.6. The design of the system will be subject to approval by the AHJ. 18.4.6.1.1 Fire flow, hydrant spacing, and dedicated water supply for fire protection must be in accordance with the requirements for designated land use: Agriculture, 500 gpm, and 500 feet spacing between hydrants. Rural, 1,000 gpm, and 500 feet spacing between hydrants. Single family, 1,000 gpm, and 350 feet spacing between hydrants. Duplex, 1,250 gpm, and 350 feet between hydrants. Townhouse and low-rise apartments, 1,500 gpm, and 250 feet spacing between hydrants. Businesses, high rise apartments, and light industry, 2,000 gpm and 250 feet spacing between hydrants. Heavy industry and hotels, 2,500 gpm and 250 feet hydrant spacing. 18.4.6.2 The water supply must be provided by hydrants or other connections in accordance with section 18.5 of this code, as approved by the AHJ. 18.4.6.2.1 Fire hydrants must be accessible to the fire department apparatus by roads meeting the requirements of subsection 18.2.3.6 of this code. 18.4.6.2.2 On dead-end streets, the last fire hydrant must be located at one-half the spacing distance from the dead-end. Spacing of fire hydrants must be measured along the roadway. 18.4.6.3 The duration for all required fire-flows must be two hours. ( Ord. No. 5754 , § 3, 2024)