ADA Sign Design Standard Guidance Ch. 703.5 Character Height & Viewing Distance

 

Visual characters shall comply with 703.5 (Check Site for Updates Here)

The following is an excerpt....Check above Link for full Chapter

EXCEPTION: Where visual characters comply with 703.2 and are accompanied by braille complying with 703.3, they shall not be required to comply with 703.5.2 through 703.5.9.

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”.

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)

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.

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