ADA Grab Bar Requirements for Shower Stalls, Bath Tubs, and Toilet Stalls
Grab Bars in Toilet Stall Requirements:
Grab bars complying with the length and positioning shown below shall be provided in toilet stalls. Grab bars may be mounted with any desired method as long as they have a gripping surface at the locations shown and do not obstruct the required clear floor area. Grab bars shall comply with 4.26.
Back Wall. A 36 inches (915 mm) minimum length grab bar, mounted 33-36 inches (840-915 mm) above the finish floor, is required behind the water closet. The grab bar must extend at least 12 inches (305 mm) from the centerline of the water closet toward the side wall and at least 24 inches (610 mm) from the centerline of the water closet toward the open side.
Side Wall. A 42 inches (1065 mm) minimum length grab bar is required on the side wall, spaced a maximum of 12 inches (305 mm) from the back wall and extending a minimum of 54 inches (1370 mm) from the back wall at a height of 33-36 inches (840-915 mm). The toilet paper dispenser shall be mounted below the grab bar at a minimum height of 19 inches (485 mm). The height of the toilet seat shall be 17 to 19 inches (430 - 485 mm) above the finished floor.
Grab Bars in Shower Stall Requirements
Grab Bars. Grab bars in shower stalls must comply with 4.26 and shall be provided as shown below:
Grab Bars in Tub Requirements
Grab bars in bath tubs must comply with 4.26 and shall be provided as shown in the figures below:
Source: Dept. of Justice ADA Title III Regulation 28 CFR Part 36, ADA Accessibility Guidelines for Buildings and Facilities