CFP Safety Regulations & Compliance 2 — Questions and Answers
Question 1: Under OSHA 29 CFR 1926, what is the minimum distance a fence crew must maintain from energized overhead power lines of 50 kV or less when using metal equipment?
- 3 feet
- 10 feet (Correct answer)
- 20 feet
- 50 feet
Correct answer: 10 feet
OSHA 1926.1408 requires a minimum 10-foot clearance from power lines up to 50 kV when using equipment such as metal fence posts.
Question 2: When a fence contractor digs post holes and discovers an unmarked utility line, what is the correct immediate action?
- Continue digging carefully by hand
- Stop work and call 811 to re-verify locates (Correct answer)
- Cap the line and proceed
- Document it and continue with mechanical digging
Correct answer: Stop work and call 811 to re-verify locates
An unexpected utility strike requires stopping work and contacting 811 to update locates before any digging resumes.
Question 3: Which personal protective equipment is OSHA-required for fence workers operating a pneumatic nail gun or staple driver?
- Face shield only
- Safety glasses and hearing protection (Correct answer)
- Hard hat and steel-toed boots only
- Leather gloves only
Correct answer: Safety glasses and hearing protection
Pneumatic tools create flying debris and noise, requiring both eye protection (safety glasses) and hearing protection per OSHA 1926.102 and 1926.101.
Question 4: A fence crew is working along a roadway. According to MUTCD standards, which sign must be the FIRST sign a driver sees when approaching the work zone?
- Road Work Ahead (Correct answer)
- Flagger Ahead
- Lane Closed Ahead
- Workers in Road
Correct answer: Road Work Ahead
The MUTCD requires 'Road Work Ahead' (or equivalent advance warning sign) to be the first sign motorists encounter in a work zone.
Question 5: What is the maximum noise exposure level (dBA) an unprotected worker may experience for 8 hours per day under OSHA 29 CFR 1910.95?
- 85 dBA
- 90 dBA (Correct answer)
- 95 dBA
- 100 dBA
Correct answer: 90 dBA
OSHA's permissible exposure limit (PEL) for noise is 90 dBA over an 8-hour time-weighted average without hearing protection.
Question 6: Which OSHA standard governs trenching and excavation safety for fence post installations deeper than 5 feet?
- 29 CFR 1926.502
- 29 CFR 1926.652 (Correct answer)
- 29 CFR 1926.1053
- 29 CFR 1910.212
Correct answer: 29 CFR 1926.652
OSHA 29 CFR 1926.652 covers excavations, requiring protective systems (sloping, shoring, or shielding) for trenches deeper than 5 feet.
Question 7: A fence installer is working in a confined space (e.g., a utility vault) to anchor fence posts. What atmospheric hazard must be tested BEFORE entry?
- Carbon dioxide levels only
- Oxygen, flammable gas, and toxic gas levels (Correct answer)
- Temperature and humidity only
- Dust particle concentration
Correct answer: Oxygen, flammable gas, and toxic gas levels
OSHA 1910.146 requires testing confined space atmospheres for oxygen content, flammable gases, and toxic contaminants before worker entry.
CFP Safety Regulations & Compliance 2
Under OSHA 29 CFR 1926, what is the minimum distance a fence crew must maintain from energized overhead power lines of 50 kV or less when using metal equipment?