Accessibility_Technical_Assistance_-_Signs,_Directional_and_Informational.pdf
PDF 391 KB Posted
- Attached to
- Park Rules Signage
- Solicitation number
- 2022-Informal-147
- Issued by
- Los Angeles County, Berkeley City, California
About this file
This document is an Accessibility Technical Assistance guidance document from California, specifically addressing visual character requirements for directional and informational signs, referencing the California Building Code Title 24, Chapter 11B and the 2010 Standards for Accessible Design. The technical guidance provides comprehensive specifications for signs used in interior and exterior spaces, covering applicability to various sign types such as rules of conduct, directional signs, and accessible means of egress, with specific exceptions for building directories, temporary signs, and signs in non-public detention facility areas.
The document details precise technical requirements for sign design, including non-glare finish, installation height (ranging from 40-80 inches above floor), and intricate character specifications. These specifications cover character format (horizontal), contrast (light on dark or dark on light), style (avoiding italic or decorative fonts), line and character spacing, character proportion, and character thickness. A detailed table provides minimum character height requirements based on horizontal viewing distance and height from floor to character baseline, with recommended fonts including Arial, Calibri, Verdana, and Helvetica. The guidance appears intended to ensure sign legibility and accessibility for individuals with varying visual capabilities.
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| File | Type | Posted |
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| Park_Rules_Signage.pdf | ||
| Disclosure_of_Lobbying_Activities.pdf | ||
| Unique_Entity_ID_(SAM).pdf | ||
| RELEVANT_EXPERIENCE_FORM.pdf | ||
| AAs_Updated_V4.pdf | ||
| Park_Rules_Graphics.pdf |
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Text version
ACCESSIBILITY
TECHNICAL ASSISTANCE
TOPIC Visual Character Requirements for Directional and Informational Signs
REFERENCES
California Building Code Title 24, Chapter 11B, Sections 216.3 and 703.5
2010 Standards for Accessible Design, Sections 216.3 and 703.5
1. APPLICABILITY
1.1. Signs that provide direction to or information about interior and exterior spaces and facilities of a site, including:
Rules of conduct, occupant load, and similar signs
Signs providing direction to rooms or spaces
Signs identifying accessible means of egress
1.2. Exceptions
Building directories, addresses, occupant names, organization names, and logos
Temporary signs posted for seven days or less
In detention facilities, signs not located in public use areas
2. TECHNICAL REQUIREMENTS
2.1. Non-glare finish
2.2. Installation height
Signs above circulation paths - 80 inches minimum above the floor, measured to the bottom of the sign
All other signs - 40 inches minimum above the floor, measured to the character baseline
2.3. Characters
Format: Horizontal
Contrast: Light characters on dark background or dark characters on light background
Style: Not italic, oblique, script, highly decorative, or other unusual formi
Line spacing: 135%-170% of the character heightii
Character spacing: 10% minimum and 35% maximum of the character height
Character proportion: Uppercase “O” is 60% minimum and 110% maximum of the height of the uppercase letter “I”
Character thickness: Uppercase letter “I” is 10% minimum and 20% maximum of the height of the character
Character height:
Height to Finish Floor or Ground From
Baseline of Character
Horizontal Viewing
Distanceiii
Minimum Character Height
(based on the uppercase letter “I”)
40 inches – 70 inches
Less than 72 5/8 inch
72 inches and greater 5/8 inch + 1/8 inch per foot of viewing distance beyond 72 inches
Greater than 70 inches –
120 inches
Less than 180 inches 2 inches
180 inches and greater 2 inches + 1/8 inch per foot of viewing distance beyond 180 inches
Greater than 120 inches
Less than 21 feet 3 inches
12 feet and greater 3 inches + 1/8 inch per foot of viewing distance beyond 21 feet i Recommended fonts: Arial, Calibri, Verdana, Helvetica, Tahoma, and similar.
ii In Microsoft Word, line spacing of approximately 1.15 - 1.45.
iii Horizontal viewing distance is the distance between the character and an obstruction preventing further approach toward the sign.
File details come from the government source that posted it. Updated .