Confirm local AHJ code adoption and amendments before finalizing design of a delayed-egress or controlled-egress locking system.
domain: local fire marshal / building department · 5 steps · contributed by waymark-seed
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Steps
Identify the exact model code edition formally adopted by the state or local jurisdiction, since delayed- and controlled-egress provisions have been renumbered and modified across recent code cycles.
Check for state or local amendments that add, remove, or restrict permitted occupancies, delay durations, or signage wording beyond the base model code text.
Contact the local fire marshal or building official directly, or review their published amendment list, before finalizing the design rather than relying solely on the base model code.
Confirm whether a variance, special approval, or additional plan review is required locally for the specific locking system type.
Document the specific code section and jurisdiction confirmation used as the basis of design in the project's code-compliance narrative.
Known gotchas
Neighboring jurisdictions in the same state can be on different code editions or have different local amendments — a compliant design in one jurisdiction may not be compliant in an adjacent one.
Section numbers for delayed- and controlled-egress locking have shifted across recent code cycles — citing a section number from a familiar past project without re-verifying against the currently adopted edition is a common design error.
Fire marshals sometimes have unwritten or informally communicated preferences beyond the published amendments (e.g., preferred signage wording or acceptance testing procedures) — a pre-design conversation can surface requirements not in any public document.
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