11B-610.3 Shower compartment seats

Note: Portions of this document or referenced document qualify for 2013 CBC Section 11B-202.4, Exception 2, and all or part of this information may only apply to California “Safe Harbored” elements addressed in that Exception.

11B-610.3 Shower compartment seats.

A seat in a standard roll-in shower compartment shall be a folding type, shall be installed on the side wall adjacent to the controls, and shall extend from the back wall to a point within 3 inches (76 mm) of the compartment entry. A seat in an alternate roll-in type shower compartment shall be a folding type, shall be installed on the front wall opposite the back wall, and shall extend from the adjacent side wall to a point within 3 inches (76 mm) of the compartment entry. The top of the seat shall be 17 inches (432 mm) minimum and 19 inches (483 mm) maximum above the bathroom finish floor. When folded, the seat shall extend 6 inches (152 mm) maximum from the mounting wall. Seats shall comply with Section 11B-610.3.1 or 11B-610.3.2.

[2010 ADAS] 610.3 Shower Compartment Seats. Where a seat is provided in a standard roll-in shower compartment, it shall be a folding type, shall be installed on the side wall adjacent to the controls, and shall extend from the back wall to a point within 3 inches (75 mm) of the compartment entry. Where a seat is provided in an alternate roll-in type shower compartment, it shall be a folding type, shall be installed on the front wall opposite the back wall, and shall extend from the adjacent side wall to a point within 3 inches (75 mm) of the compartment entry. In transfer-type showers, the seat shall extend from the back wall to a point within 3 inches (75 mm) of the compartment entry. The top of the seat shall be 17 inches (430 mm) minimum and 19 inches (485 mm) maximum above the bathroom finish floor. Seats shall comply with 610.3.1 or 610.3.2.

Figure (a) is a plan view of a rectangular seat and figure (b) is a plan view of an L-shaped seat. The front edge of each is 3 inches maximum from the compartment entry.

FIGURE 11B-610.3

EXTENT OF SEAT

11B-610.3.1 Rectangular seats.

The rear edge of a rectangular seat shall be 2½ inches (64 mm) maximum and the front edge 15 inches (381 mm) minimum and 16 inches (406 mm) maximum from the seat wall. The side edge of the seat shall be 1½ inches (38 mm) maximum from the adjacent wall.

[S.H. 1115B.4.4.8, Item 1]

The rear edge is 2 1/2 inches maximum and the front edge 15 to 16 inches from the seat wall. The side edge is 1 1/2 inches maximum from the back wall.

FIGURE 11B-610.3.1

RECTANGULAR SHOWER SEAT

11B-610.3.2 L-shaped seats.

The rear edge of an L-shaped seat shall be 2½ inches (64 mm) maximum and the front edge 15 inches (381 mm) minimum and 16 inches (406 mm) maximum from the seat wall. The rear edge of the “L” portion of the seat shall be 1½ inches (38 mm) maximum from the wall and the front edge shall be 14 inches (356 mm) minimum and 15 inches (381 mm) maximum from the wall. The end of the “L” shall be 22 inches (559 mm) minimum and 23 inches (584 mm) maximum from the main seat wall.

[S.H. 1115B.4.4.8, Item 1]

Figures (a) shows the “L” is oriented with the narrower portion toward the compartment opening and the base toward the back. The front edge of the narrow portion of the “L” is 15 to 16 inches from the seat wall and the base end is 22 to 23 inches from the seat wall. The base of the “L” is 14 to 15 inches from the adjacent wall. Figure (b) shows that the seat is 2 1/2 inches maximum from the seat wall and the rear edge of the L portion is 1 1/2 inches maximum from the adjacent wall.

FIGURE 11B-610.3.2

L-SHAPED SHOWER SEAT

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2013 California Standards for Accessible Design Pocket Guide