ABA Accessibility Standard for GSA Facilities Pocket Guide

604.3.2 Overlap.

The required clearance around the water closet shall be permitted to overlap the water closet, associated grab bars, dispensers, sanitary napkin disposal units, coat hooks, shelves, accessible routes, clear floor space and clearances required at other fixtures, and the turning space. No other fixtures or obstructions shall be located within the required water closet clearance. [ECTCR UFAS 4.16.2, Fig. 28, 4.34.5.2(1), Fig. 47(a)]

EXCEPTION: In residential dwelling units, a lavatory complying with 606 shall be permitted on the rear wall 18 inches (455 mm) minimum from the water closet centerline where the clearance at the water closet is 66 inches (1675 mm) minimum measured perpendicular from the rear wall.

Figure 604.3.2 (Exception) Overlap of Water Closet Clearance in Residential Dwelling Units