14B-10-1007  Exit and exit access doorway configuration.
The provisions of Section 1007 of IBC are adopted by reference with the following modifications:
1.   Revise Section 1007.1 by adding the following sentence at the end:
“Interlocking or scissor stairways shall be counted as one exit stairway.”
2.   Revise Section 1007.1.1 to read:
1007.1.1 Two exits or exit access doorways.
Where two exits, exit access doorways, exit access stairways or exit access ramps, or any combination thereof, are required from any portion of the exit access, they shall be placed a distance apart equal to not less than one- half of the length of the maximum overall diagonal dimension of the building or area to be served measured in a straight line between them.
Exceptions:
1.   Where interior exit stairways or exit access ramps are interconnected by a 1-hour fire-resistance- rated corridor conforming to the requirements of Section 1020, the required separation distance shall be measured along the shortest direct line of travel within the corridor.
2.   Where a building is equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 or 903.3.1.2, the separation distance shall be not less than one-third of the length of the maximum overall diagonal dimension of the area served.
3.   In Group R-5 occupancies, the exits, exit access doorways, exit access stairways or exit access ramps shall be arranged remote from one another so as to minimize the chance of both being blocked by smoke or fire.
4.   Where two exits, exit access doorways, exit access stairways or exit access ramps are required from or within a dwelling unit, they shall be arranged remote from one another so as to minimize the chance of both being blocked by smoke or fire.
5.   Where two exits, exit access doorways, exit access stairways or exit access ramps are required from a Group B or Group M tenant space (other than an ambulatory care facility), a reduction in the required separation distance may be approved by the building official where the tenant space is separated from all other areas of the building by construction with a fire-resistance rating of not less than 1 hour and the separation distance is sufficient to minimize the chance of both being blocked by smoke or fire.
6.   In Group R-2 occupancies where the building is equipped throughout with an automatic sprinkler system in accordance with Section 903.3.1.1 or 903.3.1.2 and dead-end corridors do not exceed 20 feet (6096 mm), the separation distance shall be not less than 15 feet (4572 mm).”