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Mobile County sets public hearing on adopting 2024 building codes; inspections official previews key changes
Summary
The county will hold a public hearing on adoption of the 2024 International Building, Residential, Mechanical and related codes; inspections staff highlighted proposed changes affecting wind design thresholds, smoke-detector placement, lithium-battery storage, and new electrical requirements.
Tom Waters of the Mobile County Inspections Department briefed commissioners on proposed updates tied to the 2024 International Building Code and related standards and said the county will hold a public hearing next week before anticipated adoption.
Waters outlined several notable technical changes staff will present at the hearing: the county is proposing to lower the special-wind-design threshold so that the entire county remains in the special-wind-design area (Waters said staff is proposing changing the design threshold to 130 miles per hour), new smoke-detector placement rules that require detectors in large great rooms when those rooms are more than two feet different in elevation from adjacent hallways, expanded sprinkler and alarm requirements in some storage and industrial occupancies (particularly where lithium batteries are stored or used), and electrical-code updates such as a required master disconnect for new and upgraded services and whole-house surge protection.
“What we're proposing is to change that threshold to a 130 miles per hour so that the area of special wind design covers the entire county just like it has over the last 20 or so years,” Waters said. On smoke detectors, Waters said interconnected detectors are now required for every sleeping room and in certain great-room configurations where smoke would otherwise have to collect before reaching hallway detectors.
Waters also described how the codes address park-model recreational units and storage buildings, risk-category reassignments for some institutional occupancies, and requirements for safety plans to be submitted to the building official prior to construction on some multi-level projects. He said staff has met with home builders and held a full-house meeting on University Boulevard to present the proposed changes.
The clerk read the agenda item describing a public hearing to receive public comment on adoption of the 2024 code adoptions; the agenda said adoption was anticipated at the June 22 meeting with an effective date of July 1 if adopted.
What happens next: the commission will hold the public hearing next week; staff asked that stakeholders review posted materials and attend or submit comments to be considered before a commission vote.
