Hazard protection:
Headroom: 6 ft. 8 in. minimum.
Leading edge of wall-hung objects: 27 in. high maximum unless
mounted on posts.
Maximum overhang of leading edges of post-mounted objects should
be 12 in.
Tactile signage:
Location: on elevator panels and at the side of door jambs.
Type: raised or indented, sans serif styles. Braille also.
Raise or indentation: 1/32 in. minimum.
Height: 5/8 in. -2 in. for raised characters.
Stroke width: 1/4 minimum for indented characters.
Proportions: width-to-height ratio, 3:5 to 1:1 for character;
stroke width-to-height ratio, 1:5 to 1:10.
Contrast: either light characters on dark background or dark characters
on light background.
Elevator control symbols: standardized symbols for main entry
floor, door open, door closed, emergency alarm and emergency stop
buttons; cluster these buttons at the bottom of the panel apart
from floor buttons.
Elevator
signals:
Lobby signals: both audible and visible or verbal announcement
of up and down directions.
Car position indicator: both audible and visible; audible signal
for passage of each floor served by elevator (20 dB minimum) or
floor announcement.
Emergency alarm:
Loudness: equivalent sound level that exceeds that in the room
or space by at least 15 dB; no louder than 120 dB.
All rooms or spaces served
by audible alarms equipped with visible alarm.
Flashing frequency: .32-3 HZ.
Location illumination level: sufficient to reach all parts of
space.
Telephones:
Type: all new telephones should have "blue grommet" where cord
attached to head set.
Variable volume: at least one in bank of telephones.
TTY public phone.
Listening
systems for hearing impaired people:
Location: places of assembly with occupancies of 50 or more people
where audio amplification equipment is installed; if individual
fixed seats served within 50 ft. of performing area.
Type: hard wired headphones, audio loops, FM or infra red.
