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Mezzanine - Accessible Means of Egress vs. Accessible Route Feb 25, 2014 #3 If the total (aggregate) square footage between the mezzanine and the floor below is less than 3,000 square feet, than an accessible route is not required If an accessible route is not required, then an accessible means of egress would not be required This can be found in the commentary to the IBC in Section 1007
Mezzanine egress - The Building Code Forum For whatever reason the code says the mezzanine shall have two means of egress So I say if you have two of each of the components in the definition of a means of egress, exit access, exit, and exit discharge, then you are good If the stairway is exit access and converges then I say the mezzanine does not have two means of egress
Mezzanine - The Building Code Forum A mezzanine having two or more exits or access to exits is not required to be open to the room in which the mezzanine is located 3 Mezzanines or portions thereof are not required to be open to the room in which the mezzanines are located, provided that the aggregate floor area of the enclosed space is not greater than 10 percent of the
Reason for 2015 IBC 505. 2. 1 Mezzanine Area rule? The clear height above and below the mezzanine floor construction shall be not less than 7 feet 505 2 1 Area limitation 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
Mezzanine vs. 2nd floor - The Building Code Forum 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 and posts Exceptions: 2 A mezzanine having two or more exits or access to exits is not required to be open to the room in which the mezzanine is located 5
Mezzanine: 1 3 of room - The Building Code Forum Oct 2, 2018 #3 2015 IBC 505 2 1 has exceptions that allow for larger mezzanines than that: 505 2 1 Area limitation 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 enclosed portion of a room shall not be included in a
Is a Mezzanine considered a floor? - The Building Code Forum A mezzanine or mezzanines in compliance with Section 505 2 shall be considered a portion of the story below Such mezzanines shall not contribute to either the building area or number of stories as regulated by Section 503 1 The area of the mezzanine shall be included in determining the fire area
mezzanine - The Building Code Forum In one large room was a lazer tag room Room is about 2000 sq feet The lazer tag area also was designed with a mezzanine area platform of about 750-900 sq ft with two ramps on each end 7'-8' height under mezzanine The mezzanine platform was constructed out of standard 2x4 studs and 2x8 joists with 3 4" frtw flooring material
Stairs - # required? Enclosure required? - The Building Code Forum If a mezzanine, one exit is permitted per Table 1015 1 as referenced in the exception to 505 3 The travel distance is either 250 feet or 400 feet depending on the occupancy (you don't indicate which of the Group S occupancies is on the upper level)
stair requirements to mezzanine level - The Building Code Forum No area separation required The ceiling is 24'0 so the client wants to do about 800 sf of office at the front of the space and a mezzanine level of more office space- another 800 sf above the 1st floor office Occupant load about 25 Access to the the warehouse behind will be done at from the 1st floor office