CHAPTER 7: COMMUNICATION ELEMENTS AND FEATURES
TECHNICAL
703.5.5 Character Height.
Minimum
character
height shall comply with Table 703.5.5. Viewing
distance shall be measured as the horizontal distance between the
character
and an obstruction
preventing further approach towards the sign.
Character
height shall be based on the uppercase
letter “I”.
703.5.6 Height From Finish Floor or Ground.
Visual
characters
shall be 40 inches (1015 mm)
minimum above the finish floor or ground.
EXCEPTION:
Visual
characters
indicating elevator car controls shall not be required to comply
with 703.5.6.
703.5.7 Stroke Thickness.
Stroke thickness of the uppercase letter “I” shall be 10 percent minimum
and 30 percent maximum of the height of the
character
.
703.5.8 Character Spacing.
Character
spacing shall be measured between the two closest points
of adjacent
characters
, excluding word
spaces
.
Spacing between individual
characters
shall be 10
percent minimum and 35 percent maximum of
character
height.
703.5.9
Line Spacing.
Spacing between the baselines of separate lines of
characters
within a
message shall be 135 percent minimum and 170 percent maximum of the
character
height.
703.6 Pictograms.
Pictograms
shall comply with 703.6.
Table 703.5.5 Visual Character Height
Height to Finish Floor or
Ground From
Baseline of Character
Horizontal Viewing Distance
Minimum Character Height
40 inches (1015 mm) to less
than or equal to 70 inches
(1780 mm)
less than 72 inches (1830 mm)
5/8 inch (16 mm)
72 inches (1830 mm) and
greater
5/8 inch (16 mm), plus 1/8 inch
(3.2 mm) per foot (305 mm) of
viewing distance above 72
inches (1830 mm)
Greater than 70 inches (1780
mm) to less than or equal to 120
inches (3050 mm)
less than 180 inches (4570 mm)
2 inches (51 mm)
180 inches (4570 mm) and
greater
2 inches (51 mm), plus 1/8 inch
(3.2 mm) per foot (305 mm) of
viewing distance above 180
inches (4570 mm)
greater than 120 inches
(3050 mm)
less than 21 feet (6400 mm)
3 inches (75 mm)
21 feet (6400 mm) and greater
3 inches (75 mm), plus 1/8 inch
(3.2 mm) per foot (305 mm) of
viewing distance above 21 feet
(6400 mm)
2010 Standards: Titles II and III
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191
Department of Justice