2010 ADA Standards for Accessible Design Pocket Guide

608.5.1 Transfer Type Shower Compartments.

In transfer type shower compartments, the controls, faucets, and shower spray unit shall be installed on the side wall opposite the seat 38 inches (965 mm) minimum and 48 inches (1220 mm) maximum above the shower floor and shall be located on the control wall 15 inches (380 mm) maximum from the centerline of the seat toward the shower opening. [S.H. 4.21.5]

Figure 608.5.1 Transfer Type Shower Compartment Control Location