2008 Visibility Workwear - Carhartt

Frequently Asked Questions (continued)
What are the ANSI suggested performance class guidelines and scenarios?
Suggested For occupational Examples of pedestrian workers
Performance Class activities where … in this class may include …
Class 2 typical, 1 or 3
based on certain conditions
Class 2 or 3 typical based
on certain conditions
Source: American National Standard ANSI/ISEA 107-2004, Appendix B
Page 8
• greater visibility is desired in
inclement weather conditions
• complex backgrounds are present
• employees perform tasks which
divert attention from approaching
vehicle traffic
• vehicles or moving equipment
exceed speeds of 25 mph
• work activities take place in close
proximity to vehicle traffic
• workers exposed to significantly
higher speeds and/or reduced
sight distances
• workers and vehicle operators
have high task loads, clearly
placing the worker in danger
• the wearer must be conspicuous
through the full range of body
motions at a minimum of 390m
(1280 feet) and must be identifiable
as a person.
• roadway construction workers
• utility workers
• survey crews
• railway workers
• forestry workers
• school crossing guards
• parking / toll gate personnel
• airport baggage handlers / ground crew
• emergency response personnel
• law enforcement personnel
• accident site investigators
• roadway construction workers
• utility workers
• survey crews
• emergency response personnel
• flagging crews