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Permanent ladders shall not serve as a part of the means of egress from occupied spaces within a building. Permanent ladders shall be constructed in accordance with Section 306.5 of the International Mechanical Code and designed for the live loads indicated in Section 1607.17. Permanent ladders shall be permitted to provide access to the following areas:
  1. Spaces frequented only by personnel for maintenance, repair or monitoring of equipment.
  2. Nonoccupiable spaces accessed only by catwalks, crawl spaces, freight elevators or very narrow passageways.
  3. Raised areas used primarily for purposes of security, life safety or fire safety including, but not limited to, observation galleries, prison guard towers, fire towers or lifeguard stands.
  4. Elevated levels in Group U not open to the general public.
  5. Nonoccupied roofs that are not required to have stairway access in accordance with Section 1011.12.1.
  6. Where permitted to access equipment and appliances in accordance with Section 306.5 of the International Mechanical Code.

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1011.16 Means of Egress, Ladders
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