Section 53.11. Story height  


Latest version.
  • A-3 occupancies shall be governed by the story height limitations in the following table:


    Construction
    Type
    Maximum
    Story Height
    FireresistiveNo Limit
    Noncombustible3 Stories*
    Protected Heavy Timber2 Stories*
    Ordinary2 Stories*
    Wood Frame1 Story*

    (b) *An additional story shall be permitted in noncombustible, protected heavy timber, ordinary or wood frame construction when the building is 1-hour rated construction or totally protected by an automatic sprinkler system. The maximum story height may be increased by two stories when both 1-hour rated construction and total automatic sprinkler protection are provided.

    (c) Noncombustible, protected heavy timber, ordinary and wood frame construction types shall be considered 1-hour rated construction when bearing walls, columns, beams, other supporting members, ceiling/roof assemblies, floor/ceiling assemblies, stairways, and other openings through floors are of 1-hour rated construction.