Daily Archives: September 20, 2016


505 Handrails Located at www.access-board.gov 505.1 General.  Handrails provided along walking surfaces complying with 403, required at ramps complying with 405, and required at stairs complying with 504 shall comply with 505. Advisory 505.1 General.  Handrails are required on ramp runs with a rise greater than 6 inches (150 mm) (see […]

ADA Requirements for Handrails


504 Stairways Located at www.access-board.gov   504.1 General.  Stairs shall comply with 504. 504.2 Treads and Risers.  All steps on a flight of stairs shall have uniform riser heights and uniform tread depths.  Risers shall be 4 inches (100 mm) high minimum and 7 inches (180 mm) high maximum.  Treads shall […]

ADA Requirements for Stairways