521 CMR, § 20.7
Current through Register 1533, October 25, 2024
Walks, halls, corridors, passageways, aisles, or other circulation spaces shall have a minimum of 80 inches (80" = 2032mm) clear headroom. SeeFig. 20d. If vertical clearance of an area adjoining an accessible route is reduced to less than 80 inches (80" = 2032mm), a barrier shall be provided to warn blind or visually-impaired persons of the reduced headroom. SeeFig. 20g.
521 CMR, § 20.7