CONSTRUCTION TYPEMAXIMUM STORY HEIGHT
§ 52.11. Story height.
(a) A-2 occupancies shall be governed by the story height limitations in the following table:
Construction Type Maximum Story Height Fireresistive No Limit Noncombustible 2 Stories* Protected Heavy Timber 2 Stories* Ordinary 2 Stories* Wood Frame 1 Story*
(b) *An additional story shall be permitted in 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 shall only be increased by one story. An additional story shall be permitted in noncombustible or protected heavy timber construction when the building is 1-hour rated construction or totally protected by an automatic sprinkler system. The maximum story height shall only be increased by two stories.
(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.
(d) Basement areas shall be 1-hour rated construction up to and including the floor/ceiling assembly between the basement and the first floor.
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