Pennsylvania Code (Last Updated: April 5, 2016) |
Title 34. LABOR AND INDUSTRY |
PART I. Department of Labor and Industry |
Chapter 53. Division A-3 Assembly |
Section 53.11. Story height
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A-3 occupancies shall be governed by the story height limitations in the following table:
Construction
TypeMaximum
Story HeightFireresistive No Limit Noncombustible 3 Stories* Protected Heavy Timber 2 Stories* Ordinary 2 Stories* Wood Frame 1 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.