Michael Ellars

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Michael Ellars, AIA, APX, CSI, CCCA, CDT, LEED AP, ADAC, CASp

Chapter 11B, Division 7 (Communication Elements and Features)

2018 CBC Revisions:
Intervening Code Cycle


Chapter 11B, Division 7 (Communication Elements and Features) 

International Symbol of Accessibility

Clarifies the endpoints of the required dimension to be the field of the ISA, not necessarily the symbol itself. Also clarifies that borders are permitted to occur within the required dimension; however, due to ambiguity with how the underlying ADA Standards would be applied, it si recommended to keep any border outside of the required dimension.

11B-703.7.2.1 International Symbol of Accessibility. The International Symbol of Accessibility shall comply with Figure 11B-703.7.2.1. The symbol shall consist of a white figure on a blue background. The color blue shall approximate FS 15090 in Federal Standard 595C. A border may be provided inside or outside of the minimum required International Symbol of Accessibility dimension.


Figure 11B-703.7.2.1 International Symbol of Accessibility

Geometric Symbols

Editorial revisions to the way the geometric symbols at toilet and bathing facilities are specified.

11B-703.7.2.6.1 Men’s toilet and bathing facilities. A triangle symbol shall be located at entrances to men’s toilet and bathing facilities. The triangle symbol shall be an equilateral triangle 1/4 inch (6.4 mm) thick with edges 12 inches (305 mm) long and a vertex pointing upward. The color of the triangle symbol shall contrast with the color of the door or surface on which the triangle symbol is mounted, either light on a dark background or dark on a light background.
Exception: Within secure perimeter of detention and correctional facilities, geometric symbols shall not be required to be 1/4 inch (6.4 mm) thick.

11B-703.7.2.6.2 Women’s toilet and bathing facilities. A circle symbol shall be located at entrances to women’s toilet and bathing facilities. The circle symbol shall be 1/4 inch (6.4 mm) thick and 12 inches (305 mm) in diameter. The color of the circle symbol shall contrast with the color of the door or surface on which the circle symbol is mounted, either light on a dark background or dark on a light background.
Exception: Within secure perimeter of detention and correctional facilities, geometric symbols shall not be required to be 1/4 inch (6.4 mm) thick.

11B-703.7.2.6.3 Unisex toilet and bathing facilities. A combined circle and triangle symbol shall be located at entrances to unisex toilet and bathing facilities. The combined circle and triangle symbol shall consist of a circle symbol 1/4 inch (6.4 mm) thick and 12 inches (305 mm) in diameter with a 1/4 inch (6.4 mm) thick equilateral triangle symbol superimposed on and geometrically inscribed within the 12-inch (305 mm) diameter of the circle symbol. The vertices of the triangle symbol shall be located 1/4 inch (6.4 mm) maximum from the edge of the circle symbol with a vertex pointing upward. The color of the triangle symbol shall contrast with the color of the circle symbol, either light on a dark background or dark on a light background. The color of the circle symbol shall contrast with the color of the door or surface on which the combined circle and triangle symbol is mounted, either light on a dark background or dark on a light background.
Exception: Within secure perimeter of detention and correctional facilities, geometric symbols shall not be required to be 1/4 inch (6.4 mm) thick.

Truncated Dome Height

Revise truncated dome height dimension shown in Figure 11B-705.1 from a range to an absolute dimension so as to match the code language at Section 11B-705.1.1.1.


Figure 11B-705.1 Size and Spacing of Truncated Domes