TECHNICAL
CHAPTER 7: COMMUNICATION ELEMENTS AND FEATURES
703.4.2 Location.
Where a
tactile
sign is provided at a door, the sign shall be located alongside the
door at the latch side.
Where a
tactile
sign is provided at double doors with one active leaf, the sign
shall be located on the inactive leaf.
Where a
tactile
sign is provided at double doors with two active
leafs, the sign shall be located to the right of the right hand door.
Where there is no wall
space
at the
latch side of a single door or at the right side of double doors, signs shall be located on the nearest
adjacent wall.
Signs containing
tactile
characters
shall be located so that a clear floor
space
of 18
inches (455 mm) minimum by 18 inches (455 mm) minimum, centered on the
tactile characters
, is
provided beyond the arc of any door swing between the closed position and 45 degree open
position.
EXCEPTION:
Signs with
tactile
characters
shall be permitted on the push side of doors with
closers and without hold-open devices.
703.5 Visual Characters.
Visual
characters
shall comply with 703.5.
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.
703.5.1 Finish and Contrast.
Characters
and their background shall have a non-glare finish.
Characters
shall contrast with their background with either light
characters
on a dark background or
dark
characters
on a light background.
703.5.2 Case.
Characters
shall be uppercase or lowercase or a combination of both.
703.5.3 Style.
Characters
shall be conventional in form.
Characters
shall not be italic, oblique,
script, highly decorative, or of other unusual forms.
703.5.4 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”.
Figure 703.4.2
Location of Tactile Signs at Doors
Advisory 703.5.1 Finish and Contrast.
Signs are more legible for persons with low vision
when characters contrast as much as possible with their background.
Additional factors
affecting the ease with which the text can be distinguished from its background include
shadows cast by lighting sources, surface glare, and the uniformity of the text and its
background colors and textures.
190
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2010 Standards: Titles II and III
Department of Justice