2010 ADA Standards for Accessible Design Pocket Guide

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. [S.H. 4.21.5], [S.H. 9.1.2]

Figure 608.5.3 Alternate Roll-In Type Shower Compartment Control Location