2013 Forest Service Outdoor Recreation Accessibility Guidelines (FSORAG)

5.3.3 Seats.

Pit toilet seats shall comply with 5.3.3

5.3.3.1 Height.

The total height of the toilet seat on the riser for a pit toilet shall be between 17 inches (430 mm) and 19 inches (485 mm) above the floor or ground surface.

5.3.3.2 Location Where Walls Provided.

Where walls or partitions are provided, the seat shall be positioned with a wall or partition to the rear and to one side of the seat for a left-hand or right-hand approach. The back of the riser shall be flush against the back wall. The centerline of the seat shall be 16 inches (405 mm) minimum to 18 inches (455 mm) maximum from the side wall or partition.

5.3.3.3 Location Where Walls Not Provided.

Where walls or partitions are not provided, the seat shall be positioned in a corner of the clear floor or ground space required by 5.3.2 for a left-hand or right-hand approach. The back of the seat shall be flush against the perimeter of the clear floor or ground space.