About the standard:
ANSI/ISEA 107-2004 is the American National Standard for High-Visibility Safety Apparel established by ANSI, the American National Standards Institute.
This standard provides guidelines for the use of high-visibility safety apparel (shirts, rainwear, outerwear and safety vests) for construction, utility, police, emergency medical services, fire fighters and airport ramp ramp workers. ANSI/ISEA 107 is intended to improve workers visibility during the day, in low-light conditions and at night. It also provides guidelines to help purchasers select the appropriate garment based on assessment of worker hazards and tasks, complexity of the work environments or background, and vehicular traffic and speed.
Not sure about the differences between all classes? See which class is required for your job.
Class 1 - For workers in occupations that permit full and undivided attention to approaching traffic. When work backgrounds are not complex. When Pedestrian workers are separated from traffic. Examples, parking lot attendants, shopping cart retrievers, warehouse workers, and delivery vehicle drivers.
Minimum requirements for Class 1:
■Background Fabric - 217 square inches ■Retro reflective Material - 155 square inches
Class 2 - For workers who require greater visibility under inclement weather conditions. When work backgrounds are complex. When tasks divert attention from approaching vehicle traffic. Examples, roadway construction workers, utility workers, survey crews, railroad workers, school crossing guards, airport baggage handlers, law enforcement personnel, accident site personnel, emergency response personnel, high volume parking and toll-gate personnel.Minimum requirements for Class 2:
■Background Fabric - 775 square inches ■Retro reflective Material - 201 square inches
Class 3 - For workers and vehicle operations whose high task loads place them in danger. When wearer must be conspicuous through the full range of body motions at minimum 1,280 feet. When wearer must be identifiable as a person. Examples, roadway construction workers, utility workers, survey crews and emergency service personnel.Minimum requirements for Class 3:
■Background Fabric - 1240 square inches ■Retro reflective Material - 310 square inches
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