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) |
|
40 inches (1015 mm) to less than or equal to 70 inches (1780 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) |
|
Greater than 70 inches (1780 mm) to less than or equal to 120 inches (3050 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) |
|
Greater than 120 inches (3050 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) |