CA Flagger Personal Protective Equipment 3 — Questions and Answers
Question 1: What is the minimum number of square inches of retroreflective material required on a Class 3 high-visibility vest?
- 155 sq in
- 201 sq in
- 310 sq in (Correct answer)
- 450 sq in
Correct answer: 310 sq in
ANSI/ISEA 107 Class 3 vests require a minimum of 310 square inches of retroreflective material for maximum visibility.
Question 2: Which footwear standard is most commonly required for flaggers working in California construction zones?
- Steel-toed boots meeting ASTM F2413 (Correct answer)
- Athletic shoes with non-slip soles
- Standard leather dress shoes
- Rubber boots only during rain
Correct answer: Steel-toed boots meeting ASTM F2413
Steel-toed boots meeting ASTM F2413 protect against crush injuries and are the standard for construction work zone personnel.
Question 3: At what time of day does retroreflective material on a flagger's vest become most critical for driver visibility?
- Midday when the sun is brightest
- During dusk, dawn, and nighttime hours (Correct answer)
- Only during foggy weather
- During peak traffic hours regardless of light
Correct answer: During dusk, dawn, and nighttime hours
Retroreflective material is most critical during low-light conditions such as dusk, dawn, and nighttime when it reflects vehicle headlights.
Question 4: A flagger notices their hard hat has a crack in the shell. What is the correct action?
- Tape the crack and continue working
- Report it at the end of the shift
- Immediately replace the hard hat (Correct answer)
- Use it only for light-duty tasks that day
Correct answer: Immediately replace the hard hat
A cracked hard hat is compromised and must be immediately replaced because it can no longer provide reliable impact protection.
Question 5: Which ANSI/ISEA 107 performance class is the minimum acceptable for flaggers on roadways with traffic speeds above 50 mph?
- Class 1
- Class 2
- Class 3 (Correct answer)
- Either Class 1 or Class 2
Correct answer: Class 3
For high-speed roadways (above 50 mph), Class 3 is required to ensure maximum visibility to drivers approaching at higher speeds.
Question 6: What should a flagger do with their PPE at the end of each work shift?
- Leave it at the job site for the next flagger
- Inspect it for damage or wear and store it properly (Correct answer)
- Turn it in to the contractor without inspection
- Dispose of it if it shows any dirt or soil
Correct answer: Inspect it for damage or wear and store it properly
Inspecting PPE at the end of each shift ensures it is in serviceable condition for the next use and allows damaged items to be replaced promptly.
Question 7: What does the 'E' designation in ANSI/ISEA 107 Class 2E or Class 3E refer to?
- Enhanced retroreflective material
- Ensemble, meaning the garment includes matching pants or bib overalls (Correct answer)
- Emergency response use only
- Extra-large sizing for full body coverage
Correct answer: Ensemble, meaning the garment includes matching pants or bib overalls
The 'E' suffix in ANSI/ISEA 107 designates an ensemble, meaning the garment includes high-visibility pants or bib overalls that together meet the class requirements.
What is the minimum number of square inches of retroreflective material required on a Class 3 high-visibility vest?