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Area Calculation Clarification - The Building Code Forum I have a somewhat basic (dumb?) question about area calculations - Reading through the 2009 IBC it defines building area as: 502 1AREA, BUILDING The area included within surrounding exterior walls (or exterior walls and fire walls) exclusive of vent shafts and courts Areas of the building
Fire Separation Distance Between New and Existing Building with Windows From the 2021 IBC Commentary: The Commentary says: Fire separation distance is the distance from the exterior wall of the building to one of the three following locations, measured perpendicular to the exterior wall face: an interior lot line [see Commentary Figure 202 (19)]; the centerline of a street or public way [see
Door Encroachment Into Egress Corridor - The Building Code Forum IBC 2012 1005 7 1 states "Doors, when fully opened, shall not reduce the required width by more than 7 inches " If I have a door that when swung open 180 degrees is clear of the required corridor width, but when open at 90 degrees encroaches more than 7" into the required corridor width, is it
Toe Board Requirement - The Building Code Forum I cannot seem to find the reference for a toe board requirement in IBC 2012 I was thinking it would be in IBC 1013 Guards, but I am not seeing it now I thought I recalled reading that a 4" toe board is required on a open edge of a walking surfaces, mezzanines, equipment platforms, stairs
Intermediate handrails - minimum clear width? - The Building Code Forum Does the IBC have a similar provision that clarifies the minimum width between handrails when an intermediate handrail is used? I couldn't find one Note, the building is fully sprinklered so it is my understanding that under exception (2) the 48" minimum width between handrails required for a stair to be "accessible" per 1009 3 does not apply
Occupancy Classification for Townhouse: R-2 or R-3? R-2: "Residential occupancies containing more than two dwelling units" If each townhouse is a seperate structure, than it only contains one dwelling unit That makes it R-3, yes?
Egress through Intervening Spaces - The Building Code Forum It was mentioned that the path cannot cross through intervening spaces The large room is the Multipurpose Gym I've been making evac signs as such for a while and this is the first I've heard of it Reading the building code for this is extremely confusing the way they word things and was hoping someone might be able to shed some light 1016 2Egress through intervening spaces Egress through
Balconies Mezzanines Means of Egress - The Building Code Forum The IBC requires 2 exits from a mezzanine when the occupant load exceeds 49 (or lower in some occupancies) The NFPA section you quoted starts at 50+, so the 50th person is the difference Also note the IBC CPET limitations IBC 1006 1 General The number of exits or exit access doorways required within the means of egress system shall comply with the provisions of Section 1006 2 for spaces
Hallway vs corridor - The Building Code Forum A hallway was originally provided for in the 1997 UBC The IBC got away from that It is now either a rated corridor or an unrated corridor A corridor is defined as "an enclosed exit access component that defines and provides a path of egress travel to an exit A hallway fits that definition, therefore, a hallway is a corridor Depending on the occupancy group, occupant load, and whether the