Pennsylvania Code
Title 34 - LABOR AND INDUSTRY
Part I - Department of Labor and Industry
Chapter 53 - DIVISION A-3 ASSEMBLY
CONSTRUCTION TYPE-MAXIMUM STORY HEIGHT
Section 53.11 - Story height

Universal Citation: 34 PA Code ยง 53.11

Current through Register Vol. 54, No. 38, September 21, 2024

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

Construction TypeMaximum 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.

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