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ADA
Federal Signage Requirements
Building
Signage:
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| A) |
Signs
which designate permanent rooms and spaces shall comply
with 4.30.1, 4.30.4, 4.30.5 and 4.30.6. |
| B) |
Other
signs which provide direction to or information about
functional spaces of the building shall comply with 4.3.1,
4.30.2, 4.30.3 and 4.30.5.
Exception: Building Directories, Menus and all
other temporary signs are not required to comply. |
| 4.30.1 |
GENERAL.
Signage required to be accessible by 4.1 shall comply with
the applicable provisions of 4.30. |
| 4.30.2 |
CHARACTER
PROPORTION.
Letters and numbers on signs shall have a width-to-height
ratio from 3:5 to 1:1 and a stroke width-to-height ration
from 1:5 to 1:10. |
| 4.30.3 |
CHARACTER
HEIGHT.
Characters and numbers on signs shall be sized according
to the viewing distance from which they are to be read.
The minimum height is measured using an upper case X.
Lower case characters are permitted.
MINIMUM CHARACTER HEIGHT: 3 inches (75 mm) |
| 4.30.4 |
RAISED
AND BRAILLE CHARACTERS AND PICTOGRAMS.
Letters and numbers shall be raised 1/32" upper case,
sans serif or simple serif and shall be accompanied with
Grade 2 Braille. Raised characters shall be at least 5/8
inch (16 mm) high, but not higher than 2 inches (50 mm).
Pictograms shall be accompanied by the equivalent verbal
description placed directly below the pictogram. The
border dimension of the pictogram shall be 6 inches (152
mm) minimum in height. |
| 4.30.5 |
FINISH
AND CONTRACT.
The characters and backgrounds of signs shall be eggshell,
matte or other non-glare finish. Characters and symbols
shall contrast with their background - either light
characters on a dark background or dark characters on a
light background. |
| 4.30.6 |
MOUNTING
LOCATION AND HEIGHT.
Where permanent information is provided for rooms and
spaces, signs shall be installed on the wall adjacent to
the latch side of the door. Where there is no wall space
on the latch side of the door, including double-leaf
doors, signs shall be placed on the nearest adjacent wall.
Mounting height shall be 60 inches (1525 mm) above the
finish floor to the centerline of the sign. Mounting
location for such signage shall be so that a person may
approach within 3 inches (76 mm) of the signage without
encountering protruding objects or standing within the
swing of a door. |
| 4.30.7 |
FINISH
AND CONTRAST. An eggshell finish (11 to 19 degree
gloss on a 60 degree glossmeter) is recommended. Research
indicates that signs are more legible for person with low
vision when characters contrast with their background by
at least 70 percent. |
| 4.30.8 |
IDENTIFICATION.
Each area of rescue assistance shall be identified by a
sign which states "AREA OF RESCUE ASSISTANCE"
and displays the international symbol of accessibility.
The sign shall be illuminated when exit sign illumination
is required. Signage shall also be installed at all
inaccessible exits and where otherwise necessary to
clearly indicate the direction to areas of rescue
assistance. In each area of rescue assistance,
instructions adjoining the two-way communication system. |
|
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January 1992 |
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