Pennsylvania Code
Title 34 - LABOR AND INDUSTRY
Part I - Department of Labor and Industry
Chapter 58 - DIVISION D-O ORDINARY COMMERCIAL, INDUSTRIAL, OFFICE
CONSTRUCTION TYPE-MAXIMUM STORY HEIGHT
Section 58.11 - Story height
Current through Register Vol. 54, No. 44, November 2, 2024
(a) D-0 occupancies shall be governed by the story height limitations in the following table:
| Construction Type | Maximum Story Height |
| Fireresistive | No Limit |
| Noncombustible | 4 Stories* |
| Protected Heavy Timber | 4 Stories* |
| Ordinary | 3 Stories* |
| Wood Frame | 2 Stories* |
(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.
