9-1A-2: CODE ADOPTED:

All the rules, regulations, and ordinances relating and applying to the regulation of the erection, construction, enlargement, alteration, repair, moving, removal, conversion, demolition, occupancy, equipment, use, height, area, and maintenance of buildings or structures established by the "2018 International Building Code" (IBC) including Appendix E (Supplementary Accessibility Requirements), Appendix H (Signs), and Appendix J (Grading), published under the authority of the International Code Council, Inc., is hereby adopted as the Building Code of Boise City as amended, and except to the extent that those rules and regulations are hereby changed, altered, or amended by this code, shall be the rules, regulations, and ordinances governing the erection, construction, enlargement, alteration, repair, moving, removal, conversion, demolition, occupancy, equipment, use, height, area, and maintenance of buildings or structures at and within the City. One copy of the 2018 International Building Code shall be filed for use and examination by the public in the Office of the Clerk. It shall be unlawful to erect, construct, enlarge, alter, repair, move, remove, convert, demolish, or maintain buildings or structures in violation of, or without complying with the rules, regulations, and ordinances set forth by the Building Code of Boise City as adopted and as may be changed, altered, or amended by the Building Code of Boise City. All provisions in this Chapter shall be effective January 1, 2021.

The provisions of the "2021 International Building Code" relating to mass timber construction, are also hereby adopted, including, but not limited to:

   A.   In Section 202, the definitions of the terms MASS TIMBER, NONCOMBUSTIBLE PROTECTION (FOR MASS TIMBER), SECONDARY STRUCTURAL MEMBERS, and WALL, LOAD BEARING.

   B.   Sections 403.3.2, 508.4.4.1, 509.4.1.1, 602.4 through 602.4.3.6, 703.6, 703.7, 704.4, 722.7 through 722.7.2.2, 1705.20, 2304.10.1, 3313.1 through 3313.3.3, 3313.5, and 3314.1.

   C.   Tables 504.3, 504.4, 506.2, 601, 705.5, 722.7.1(1), 722.7.1(2), and 1705.5.3, including any notes following each table adopted in this Section.

   D.   In Chapter 35, the referenced standards, ANSI/APA PRG 320-2019: Standard for Performance-rated Cross-laminated Timber, referenced in Sections 602.4 and 2303.1.4 and ASTM 03498-03(2011): Standard Specification for Adhesives for Field-Gluing Plywood to Lumber Framing for Floor Systems, referenced in Section 703.7.

These "2021 International Building Code" provisions, relating to mass timber construction in this Chapter, shall be effective January 1, 2022.

(Ord. 44-17, 12-19-2017, eff. 1-1-2018; amd. Ord. 39-20, 12-1-2020, eff. 1-1-2021; Ord. 49-21, 11-30-2021, eff. 1-1-2022; Ord. 2-25, 2-4-2025)