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1991 ADA Standards for Accessible Design

Note: This document, portion of document or referenced document was published prior to the 2010 ADA Standards, and is still applicable.

4.21.3 Seat.

A seat shall be provided in shower stalls 36 in by 36 in (915 mm by 915 mm) and shall be as shown in Fig. 36. The seat shall be mounted 17 in to 19 in (430 mm to 485 mm) from the bathroom floor and shall extend the full depth of the stall. In a 36 in by 36 in (915 mm by 915 mm) shower stall, the seat shall be on the wall opposite the controls. Where a fixed seat is provided in a 30 in by 60 in minimum (760 mm by 1525 mm) shower stall, it shall be a folding type and shall be mounted on the wall adjacent to the controls as shown in Fig. 57. The structural strength of seats and their attachments shall comply with 4.26.3.

The diagram illustrates an L-shaped shower seat extending the full depth of the stall. The seat shall be located 1-1/2 inches (38 mm) maximum from the wall. The front of the seat (nearest to the opening) shall extend a maximum 16 inches (330 mm) from the wall. The back of the seat (against the back wall) shall extend a maximum of 23 inches (582 mm) from the side wall and shall be a maximum of 15 inches (305 mm) deep.

Fig. 36 Shower Seat Design

Where a fixed seat is provided in a 30 inch minimum by 60 inch (716 mm by 1220 mm) minimum shower stall, the controls and spray unit on the back (long) wall shall be located a maximum of 27 inches (685 mm) from the side wall where the seat is attached. (4.21.2, 9.1.2)

Fig. 57 Roll-in Shower with Folding Seat

An alternate 36 inch minimum by 60 inch (915 mm by 1220 mm) minimum shower stall is illustrated. The width of the stall opening stall shall be a minimum of 36 inches (915 mm) clear located on a long wall at the opposite end of the shower from the controls. The shower seat shall be 24 inches (610 mm) minimum in length by 16 inches (330 mm) minimum in width and may be rectangular in shape. The seat shall be located next to the opening to the shower and adjacent to the end wall containing the shower head and controls. (4.21.2, 9.1.2, A4.23.3)

Fig. 57 Roll-in Shower with Folding Seat

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