Chapter 05B Residential Building Code

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§ 5B-2-1 H AWAI‘I C OUNTY C ODE (10) Subsection R301.2.1.1, “Wind limitations and wind design required,” of the International Residential Code is amended to read as follows: “R301.2.1.1 Wind limitations and wind design required. The wind provisions of this code shall not apply to the design of buildings where wind design is required in accordance with Subsection R301.2.1. Exceptions: 1. For concrete construction, the wind provisions of this code shall apply in accordance with the limitations of Sections R404 and R608. 2. For structural insulated panels, the wind provisions of this code shall apply in accordance with the limitations of Section R610. 3. For cold-formed steel light-frame construction, the wind provisions of this code shall apply in accordance with the limitations of Sections R505, R603 and R804. In regions where wind design is required in accordance with Subsection R301.2.1, the design of buildings for wind loads shall be in accordance with one or more of the following methods: 1. AWC Wood Frame Construction Manual (WFCM) 2018. 2. ICC Standard for Residential Construction in High-Wind Regions (ICC 600-14). 3. AISI Standard for Cold-Formed Steel Framing—Prescriptive Method for One- and Two-Family Dwellings (AISI S230- 2015). 4. The Building Code, Chapter 5A, Hawai‘i County Code. The elements of design not addressed by the methods in Items 1 through 4 shall be in accordance with the provisions of this code. Where wind design is required and design is in accordance with the methods in Items 1 through 3, the building must be provided with opening protection for windborne debris. Options for opening protection or alternatives to opening protection shall be in accordance with the Building Code, Chapter 5A, Hawai‘i County Code.” SUPP. 11 (1-2022) 5B-10