Code of Massachusetts Regulations
780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDS
Chapter 10 - Means of Egress
Section 1009 - STAIRWAYS
Subsection 1009.7 - Vertical rise
Universal Citation: 780 CMR MA Code of Regs 1009.7
Current through Register 1531, September 27, 2024
A flight of stairs shall not have a vertical rise greater than 12 feet (3658 mm) between floor levels or landings.
Exceptions:
1. Aisle stairs complying with Section 1028.
2. Alternating tread devices used as a means of egress shall not have a rise greater than 20 feet (6096 mm) between floor levels or landings.
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