2019 California Standards for Accessible Design Guide (effective January 1, 2020 with July 1, 2021 amendments)

11B-608.5.3 Alternate roll-in type shower compartments.

In alternate roll-in type shower compartments, the controls, faucets, and shower spray unit shall be located on the side wall of the compartment adjacent to the 16 inches (406 mm) minimum and 27 inches (686 mm) maximum from the seat wall or shall be located on the back wall opposite the seat 15 inches (381 mm) maximum, left or right of the centerline of the seat. The controls, faucets, and shower spray units shall be located above the grab bar, but no higher than 48 inches (1219 mm) above the shower floor.

[2010 ADA Standards] 608.5.3 Alternate Roll-In Type Shower Compartments. In alternate roll-in type shower compartments, the controls, faucets, and shower spray unit shall be located above the grab bar, but no higher than 48 inches (1220 mm) above the shower floor. Where a seat is provided, the controls, faucets, and shower spray unit shall be located on the side wall adjacent to the seat 27 inches (685 mm) maximum from the side wall behind the seat or shall be located on the back wall opposite the seat 15 inches (380 mm) maximum, left or right, of the centerline of the seat. Where a seat is not provided, the controls, faucets, and shower spray unit shall be installed on the side wall farthest from the compartment entry.

FIGURE 11B-608.5.3

ALTERNATE ROLL-IN TYPE SHOWER COMPARTMENT CONTROL LOCATION