Building Code Board of Appeals Agenda and Packet 2024 12 04

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Building Code Board of Appeals Agenda December 4, 2027 Page 6 of 55 before the "carbon" code that is proposed for June of 2025, then the City will need to adopt the carbon code as well. Suggestions to consider for Fire Sprinklers: • Have wording to modify that any attached multi family res structure is mandatory for fire sprinklers. Single Fam detached can have 10% sqft increase in size and 20% decrease in setbacks by installing Fire Sprinklers. • Only fire sprinklers for any residential structure with shared walls. • If distanced from neighbors, then Fire Sprinklers should not be required; if close to the neighbors then they should be required. • Exception if 25' setback from rear lot. • Concerns with upcoming ADU requirements. • What about accessory structures that are on lot lines or within three feet of lot lines. 2024 IRC: Root: wind speed will include table as referenced by Berry. Berry: ASCE has a hazard tool; give address and it will give seismic/wind to ASCE 722 (this is in IBC); design criteria should have a link to this tool. IRC does not directly address this, but there is a footnote in the IRC... "Or you can design it per the IBC" Wind Speed - R301. Suggestion is to fill out the IRC table and it will have the snow load factored and link to tool. Berry: wind gust map has been incorporated into the hazard tool, type in your address and it will tell you the wind speed. Snow load has also changed and Insulation requirements are so high that it factors higher. Dino: 1504.090 — connections of decks. Would like to state that "where this section of code competes with requirements for continuous insulation in the IECC code, this section shall govern." 1505.140 - amended decks — states the requirement for decks that are structurally supported from an existing home shall be engineered by a structural engineer licensed in the State of Colorado, Dino would like to add an exception for low -height decks, maybe 30 inches; risk of failure is minimal and saves costs for homeowner.