Code Exit Doors and Distances

Question 1

Means of Egresss Sizing for Stairway what is the factor you multiply by and by what? And can not be less than _____inches between handrails.

Answer 1

Egress sizing is based on (occupant load) x
0.3 (factor)
IBC 1005.3.1
____48__inches minimum between handrails, so if the calculation is less than 48inches you must use 48inches.
IBC 1009..3.2

Question 2

What are exceptions to egress sizing of stairways?

Answer 2

If a building is equipped with automatic sprinklers you can use factor 0.2

Question 3

What is the sizing factor for other components of egress factor?

Answer 3

0.2 per occupant

Question 4

What is the minimum width of exit access stairways?

Answer 4

48inches minimum between handrails

Question 5

Doors what is the max amount of encroachment into halLway

Answer 5

Doors, when fully opened, shall not reduce the required width by more than 7inches, doors in any positions shall not reduce the required width by more than one-half
(IBC 1005.7.1)

Question 6

Egress sizing factor can be reduced by a factor of [ ] inches if there is [ ]

Answer 6

Egress sizing factor can be reduced by of [0.15 inches per occupant load ]
if there is [automatic sprinklers]

Question 7

Handrail projects and what is the total of the handrail itself can be

Answer 7

Handrails not permited to project more than 4 1/2”
need to be 1 1/2” from the wall

diameter of actual handrails must be between 1 1/4” - 2” max.

Question 8

What is the minimum ceiling height at a means of egress?

Answer 8

7’ - 6”