Statutes, codes, and regulations
Code of Massachusetts Regulations
Department 780 CMR - STATE BOARD OF BUILDING REGULATIONS AND STANDARDSChapter 10 - Means of Egress
Section 1009 - STAIRWAYS
Subsection 1009.3 - Walkline

Subsection 1009.3 - Walkline

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Current through Register 1520, April 26, 2024
Subsection 1009.3 - Walkline

The walkline across winder treads shall be concentric to the direction of travel through the turn and located 12 inches (305 mm) from the side where the winders are narrower. The 12-inch (305 mm) dimension shall be measured from the widest point of the clear stair width at the walking surface of the winder. If winders are adjacent within the flight, the point of the widest clear stair width of the adjacent winders shall be used.