Nov 1, 2024 · MEZZANINE. An intermediate level or levels between the floor and ceiling of any story. The first question, then, is whether your mezzanine is, in fact, a mezzanine? Is it actually …

Jun 25, 2025 · If the blue area is a mezzanine, how would that affect 903.2.1.3, specifically point 3; In the event that the floor & wall construction between the yellow & orange space is fire …

Dec 12, 2022 · In determining the allowable mezzanine area, the area of the mezzanine shall not be included in the floor area of the room. Where a room contains both a mezzanine and an …

Nov 14, 2024 · A mezzanine shall be open and unobstructed to the room in which such mezzanine is located except for walls not more than 42 inches (1067 mm) in height, columns …

Feb 22, 2020 · Hi, I was hoping somebody could enlighten me about the reason why the IBC (2015) 505.2.1 forces a designer to enlarge the building until the unenclosed areas of the room …

Nov 1, 2010 · If the total square footage exceeds 3,000 square feet, than an accessible route is required to the mezzanine and at least one accessible means of egress must be provided from …

Mar 17, 2025 · In my opinion, the area on the left is a single-story space with four mezzanines, with the one mezzanine on the right having direct egress to the second story. Just FYI, the …

Feb 13, 2012 · I have a mezzanine in an M use group which based on occupant load and being enclosed requires two means of egress. The building is sprinklered. We are separating the …

Apr 2, 2012 · The aggregate area of a mezzanine or mezzanines within a room shall be not greater than one-third of the floor area of that room or space in which they are located. The …

Jul 3, 2024 · A municipality in our region is constructing an aircraft hangar. NFPA 409 is a document being used as a reference in the design. The proposed design (which I haven't …