How wide should exit corridors be?
44-inches
Exit Passageways: CBC 1024.2 specifies that the minimum width of exit passageways in Group I-2 occupancies is 44-inches. This is a California amendment and shows a clear intent to only require a 44-inch clear width for exit passageways, even when serving Group I-2 occupancies.
What is exit width?
Capacity of exits The total population from a particular floor must evacuated in 1.5 to 2.5 minutes depending on the type of construction. The unit width for capacity of exit shall be taken as 50 cm.
How do you find the minimum required egress width?
1005.1 Minimum Required Egress Width The total width of means of egress in inches (mm) shall not be less than the total occupant load served by the means of egress multiplied by 0.3 inch (7.62 mm) per occupant for stairways and by 0.2 inch (5.08 mm) per occupant for other egress components.
What is the code’s definition of a corridor?
The International Building Code (IBC) defines a corridor as, “an enclosed exit access component that defines and provides a path of egress travel.” For the purpose of this blog, a corridor is typically a space where the building occupant has limited choices as to paths or directions of travel.
What is minimum corridor width?
Corridors and hallways serving an occupant load of less than 10 shall not be less than 36 inches wide.
What is the minimum width of an exit corridor?
The minimum width of an exit access shall be 36 inches for new buildings and 28 inches for existing.
What is minimum width of a stair?
Staircase Width: 36 Inches, Minimum Staircase width refers to the side-to-side distance if you were walking up or down the stairs. According to the IRC, this distance must be at least 36 inches and does not include handrails.
What is the minimum corridor width?
What is the minimum width for a corridor with a space having an occupant load capacity of less than 50?
Thirty-six inches
The minimum corridor width shall be as determined in Section 1005.1, but not less than 44 inches (1118 mm). Exceptions: Twenty-four inches (610 mm)—For access to and utilization of electrical, mechanical or plumbing systems or equipment. Thirty-six inches (914 mm)—With a required occupant capacity of less than 50.
What is minimum hallway width?
When 10 or more people use hallways or corridors in buildings such as businesses, churches, or schools, the required width of the hallway/corridor is 44 inches wide. (CCR, Section 11B-403.5. 1 Exception 2.) Corridors and hallways serving an occupant load of less than 10 shall not be less than 36 inches wide.
What is the minimum width for a corridor with a space that has an occupant load capacity of less than 50?
Thirty-six inches (914 mm)—With a required occupant capacity of less than 50.