2013 California Standards for Accessible Design Pocket Guide

11B-703.2 Raised characters.

Raised characters shall comply with Section 11B-703.2 and shall be duplicated in Braille complying with Section 11B-703.3. Raised characters shall be installed in accordance with Section 11B-703.4.

11B-703.2.1 Depth.

Raised characters shall be ¹/₃₂ inch (0.8 mm) minimum above their background.

11B-703.2.2 Case.

Characters shall be uppercase.

11B-703.2.3 Style.

Characters shall be sans serif. Characters shall not be italic, oblique, script, highly decorative, or of other unusual forms.

11B-703.2.4 Character proportions.

Characters shall be selected from fonts where the width of the uppercase letter “O” is 60 percent minimum and 110 percent maximum of the height of the uppercase letter “I”.

[2010 ADAS] 703.2.4 Character Proportions.  Characters shall be selected from fonts where the width of the uppercase letter "O" is 55 percent minimum and 110 percent maximum of the height of the uppercase letter "I".

11B-703.2.5 Character height.

Character height measured vertically from the baseline of the character shall be ⁵/₈ inch (15.9 mm) minimum and 2 inches (51 mm) maximum based on the height of the uppercase letter “I”. 

Exception:  Reserved

[2010 ADAS] EXCEPTION:  Where separate raised and visual characters with the same information are provided, raised character height shall be permitted to be ½ inch (13 mm) minimum.

FIGURE 11B-703.2.5

HEIGHT OF RAISED CHARACTERS

11B-703.2.6 Stroke thickness.

Stroke thickness of the uppercase letter “I” shall be 15 percent maximum of the height of the character.

11B-703.2.7 Character spacing.

Character spacing shall be measured between the two closest points of adjacent raised characters within a message, excluding word spaces. Where characters have rectangular cross sections, spacing between individual raised characters shall be ¹/₈ inch (3.2 mm) minimum and 4 times the raised character stroke width maximum. Where characters have other cross sections, spacing between individual raised characters shall be ¹/₁₆ inch (1.6 mm) minimum and 4 times the raised character stroke width maximum at the base of the cross sections, and ¹/₈ inch (3.2 mm) minimum and 4 times the raised character stroke width maximum at the top of the cross sections. Characters shall be separated from raised borders and decorative elements ³/₈ inch (9.5 mm) minimum.  [S.H.  Raised character spacing not addressed by 2010 and earlier versions of CBC, or by 1991 ADAAG.]

11B-703.2.8 Line spacing.

Spacing between the baselines of separate lines of raised characters within a message shall be 135 percent minimum and 170 percent maximum of the raised character height.  [S.H.  Raised character line spacing not addressed by 2010 and earlier versions of CBC, or by 1991 ADAAG.]

11B-703.2.9 Format.

Text shall be in a horizontal format.