The rules that decide what you're allowed to build: IBC mezzanine provisions, OSHA requirements, fire sprinklers, stairs and egress — and the permit process, state by state.
Code & Permits
OSHA requires fall protection at every mezzanine edge, and the pallet-drop opening is where it fails most. Gate types compared — swing, sliding, lift-out, pivot — with the ANSI rule that disqualifies half of them, and real prices.
Code & Permits
IBC stairs: 7-inch risers, 11-inch treads, 36–44 inches wide. OSHA stairs: up to 9.5-inch risers at up to 50 degrees. Which one your mezzanine needs — and why the answer changes the cost by up to 30%.
Code & Permits
If your mezzanine is wider than 4 feet in a sprinklered building, NFPA 13 requires sprinklers below the deck — even open bar grating doesn't automatically exempt you. The rules, the costs, and the size bonus sprinklers buy.
Code & Permits
Yes — in nearly every US jurisdiction a mezzanine is a structural addition that requires a building permit. Here's what the application takes, what real cities charge, and what happens if you skip it.
Code & Permits
IBC §505.2 governs every industrial mezzanine in a jurisdiction that adopts the 2024 International Building Code. Here's what it says about area, height, openness, and egress — translated from code language to practical decisions.
Code & Permits
OSHA 1910.29 sets the federal workplace-safety requirements for every commercial mezzanine. Here's exactly what railings, gates, and egress paths must meet, with the specific numbers.