Section R307 — STORM SHELTERS — 2025 California Residential Code (Title 24, Part 2.5)

R307.1 General. ¶

R307.1 General. This section applies to the design, construction and installation of storm shelters where constructed as either separate detached buildings or rooms or spaces within buildings for the purpose of providing protection from tornadoes, hurricanes and other severe windstorms.

provision permitted lot commission district approval parking minimum height dwelling application requirement review coverage subject setback occupancy development standard accessory yard section structure compliance use provision permitted lot commission district approval parking minimum height dwelling application requirement review coverage subject setback occupancy development standard accessory yard section structure compliance use provision permitted

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R307.2 Construction. ¶

R307.2 Construction. Storm shelters shall be constructed in accordance with this code and ICC 500. R307.2.1 Sealed documentation. The construction documents for all structural components and impact protective systems installed in storm shelters shall be prepared and sealed by a registered design professional indicating compliance with ICC 500. Exception: Storm shelters, structural components and impact-protective systems that are listed and labeled to indicate compliance with ICC 500.

provision permitted lot commission district approval parking minimum height dwelling application requirement review coverage subject setback occupancy development standard accessory yard section structure compliance use provision permitted lot commission district approval parking minimum height dwelling application requirement review coverage subject setback occupancy development standard accessory yard section structure compliance use provision permitted lot commission district approval parking minimum height dwelling application requirement review coverage subject setback occupancy development

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