Updated : 04/22/2024
Overview
Cheyenne, Wyoming, adopted the 2021 International Residential Code, including Appendices AE, AG, AH, and AJ, with amendments. Cheyenne, WY Muni. Code § 15.10.010 (adoption) and §15.10.20 (amendments). Cheyenne, Wyoming, adopted the 2021 International Building Code including Appendices A, G, H, I, J, and K. Cheyenne, WY Muni. Code § 15.08.010 (adoption) and § 15.08.020 (amendments). Cheyenne, Wyoming, adopted the 2021 International Existing Building Code with amendments. Cheyenne, WY Muni. Code § 15.09.010 (adoption) and § 15.09.020 (amendments).
Helpful resources for Cheyenne, Wyoming include the following.
Residential Building Code
Wyoming has yet to adopt a statewide residential code. Local laws will control.See PLRB,
Wyoming Building Codes for more information on state level codes.
Cheyenne adopted the 2021 IRC, locally. Note that adoptions usually come with amendments. So, it is important to review those amendments in addition to the unamended model code.
You can find a copy of the model code here.
You can find information about amendments to the model code
here.
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2021 IRC(Cheyenne, WY 15.10.010 - International Residential Code—Adopted.)
...the public, is adopted and made a part hereof as if fully set out in this chapter:
International Residential Code, 2021 Edition, as published by the International Code
Council, Inc., including Appendices AE, AG, AH and AJ;
(Ord. No. 4485, § 3, 1-9-23; Ord. No...
Drip Edge
Drip Edge: yes
Ice Barrier
Are ice barriers required for Cheyenne ? Yes
Citation: Cheyenne City Code Sec. 15.10.020(L)
Comments:
Cheyenne adopted an amendment to Table R301.2(1) that indicates that ice barrier underlayment is required.
L. Section R301.2 and Table R301.2(1) Climatic and Geographic Design Criteria, is amended to read as follows:
GROUND SNOW LOAD: 30# psf; WIND SPEED: 115 (Vult) mph; TOPOGRAPHIC EFFECTS: NO; SPECIAL WIND REGION: NO; WIND-BORNE DEBRIS ZONE: NO; SEISMIC DESIGN CATEGORY: B; WEATHERING: Severe; FROST LINE DEPTH: 36 inches (for footings and foundations); TERMITE: Slight to Moderate; WINTER DESIGN TEMP: -1 degree Fahrenheit; ICE BARRIER UNDERLAYMENT REQUIRED: YES; FLOOD HAZARDS: FIRM effective date, September 30, 1977; Map effective date: January 17, 2007; panel numbers and dates of the currently effective FIRMS:
Cheyenne, WY Muni. Code §15.10.20 (amendments)(emphasis added).
Comments
Cheyenne, Wyoming, adopted the 2021 International Residential Code, including Appendices AE, AG, AH, and AJ, with amendments. Cheyenne, WY Muni. Code § 15.10.010 (adoption) and §15.10.20 (amendments).
Existing Buildings
Existing buildings, meaning buildings that were built in accordance to code at the time of
construction, typically merit extra consideration in a current updated code.
Cheyenne, Wyoming, adopted Appendix AJ of the International Residential Code (IRC). Cheyenne, WY Muni. Code § 15.10.010 (adoption) and §15.10.20 (amendments). Appendix AJ provides the code requirements for existing buildings covered by the IRC. Id.
Cheyenne, Wyoming, adopted the 2021 International Existing Building Code with amendments. Cheyenne, WY Muni. Code § 15.09.010 (adoption) and § 15.09.020 (amendments).
Commercial Building Code
Cheyenne adopted the 2021 IBC, locally. Note that adoptions usually come with amendments. So, it is important to review those amendments in addition to the unamended model code.
You can find a copy of the code
here.You can find information about amendments to the model code
here.
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See Muni. Code(Cheyenne, WY Chapter 15.20 - NATIONAL ELECTRICAL CODE ADOPTED—APPENDIX K, INTERNATIONAL BUILDING CODE—ADMINISTRATIVE PROVISIONS ADOPTED)
...renamed Chapter 15.20 from National Electrical
Code Adopted—ICC Electrical Code—Administrative Provisions Adopted as National Electrical
Code Adopted—Appendix K, International Building Code—Administrative Provisions Adopted....
Comments
Cheyenne, Wyoming, adopted the 2021 International Building Code, including Appendices A, G, H, I, J, and K, with amendments. Cheyenne, WY Muni. Code § 15.08.010 and § 15.08.020 (amendments).
Existing Buildings
Cheyenne, Wyoming, adopted the 2021 International Existing Building Code with amendments. Cheyenne, WY Muni. Code § 15.09.010 (adoption) and § 15.09.020 (amendments).
Other Building Codes
Cheyenne, Wyoming, adopted the 2021 International Fire Code including Appendices A through N. Cheyenne, WY Muni. Code § 8.12.020 (adoption) and § 8.12.030 (amendments).
Cheyenne, Wyoming, adopted the 2021 International Plumbing Code including Appendices B, C, D, and E. Cheyenne, WY Muni. Code § 15.12.010 (adoption) and § 15.12.020 (amendments).
Cheyenne, Wyoming, adopted the 2021 International Mechanical Code including Appendix A. Cheyenne, WY Muni. Code § 15.16.010 (adoption) and § 15.16.020 (amendments).
Cheyenne, Wyoming, adopted the 2017 National Electrical Code. Cheyenne, WY Muni. Code § 15.20.010 (adoption) and § 15.20.020 (amendments).
Cheyenne, Wyoming, adopted the 2021 International Fuel Gas Code including Appendices A, B, and C. Cheyenne, WY Muni. Code § 15.22.010 (adoption) and § 15.22.020 (amendments).
Cheyenne, Wyoming, adopted the 2021 International Energy Conservation Code. Cheyenne, WY Muni. Code § 15.26.010 (adoption) and § 15.26.020 (amendments).