Side Reach [4.2.6]
High and low reaches are based on a depth of reach no greater than 10 inches measured from the available clear floor space. It is important that clear floor space be available at objects according to the recognized reach radius.
Since the height of reach decreases with depth, the maximum high reach is limited to 46 inches over obstructions no more than 24 inches deep and 34 inches high. Further guidance on reach heights according to depth is available from specifications for automated teller machines in ADAAG 4.34 (see page 125).