1011.1 General.
BC § 1011.1
Stairways serving occupied portions of a building shall comply with the requirements of Sections 1011.2 through 1011.13. Alternating tread devices shall comply with Section 1011.14. Ships ladders shall comply with Section 1011.15. Ladders shall comply with Section 1011.16. Exception: Within rooms or spaces used for assembly purposes, stepped aisles shall comply with Section 1029.













