Construction workers are exposed to many dangers on a daily basis. One of the most important items of PPE is hi-vis clothing. Hi-vis clothing is designed to be highly visible, so that workers can be easily seen by both co-workers and passing motorists. Hi-vis clothing is classified by the American National Standard for High-Visibility Safety Apparel and Accessories (ANSI/ISEA 107-2015).
There are three classes of hi-vis clothing, based on the amount and width of reflective material, as well as the background material. In addition, hi-vis clothing is designated for specific work purposes, such as:
- Off-Road - Type O
- Roadway or Temporary Traffic Control - Type R
- Public Safety Activities - Type P
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- Proper selection of high-visibility (hi-vis) protection involves considering factors such as the type of protection needed (vest, shirt), the class of protection, hazards involved, colour needed, worker's role, and the need for accessories or credentials.
- Hi-vis apparel should fit properly to avoid snagging on moving machinery, and there are specific garments designed for women to address fit issues.
- Breakaway vests with Velcro at major seams are a good option for job sites with moving machinery as they address the snagging issue.
- Flame-resistant hi-vis protection is necessary in applications where Sparks are involved.
- Durability and lifespan of hi-vis protection, as well as environmental factors such as rain or cold, should be considered when selecting hi-vis protection.