CFB Safety Regulations & Compliance 2 — Questions and Answers
Question 1: Under OSHA 29 CFR 1926.502, what is the minimum height at which fall protection is required for workers in construction?
- 4 feet
- 6 feet (Correct answer)
- 8 feet
- 10 feet
Correct answer: 6 feet
OSHA 1926.502 requires fall protection for construction workers at heights of 6 feet or more above a lower level.
Question 2: Which OSHA standard governs hazard communication (HazCom) and requires Safety Data Sheets for hazardous chemicals?
- 29 CFR 1910.132
- 29 CFR 1910.1200 (Correct answer)
- 29 CFR 1926.50
- 29 CFR 1910.147
Correct answer: 29 CFR 1910.1200
29 CFR 1910.1200 is the OSHA Hazard Communication Standard (HazCom), which requires SDSs for hazardous chemicals.
Question 3: What is the primary purpose of a Job Hazard Analysis (JHA) in field construction?
- To document worker wages and hours
- To identify and control hazards before work begins (Correct answer)
- To satisfy union contract requirements
- To estimate project completion timelines
Correct answer: To identify and control hazards before work begins
A JHA systematically identifies potential hazards in each job step so controls can be implemented before work starts.
Question 4: A Certified Field Builder discovers an unmarked buried utility line while excavating. What is the correct immediate action?
- Continue digging carefully with hand tools
- Stop work and contact the utility owner (Correct answer)
- Backfill the excavation and report next week
- Mark the line with flagging tape and continue
Correct answer: Stop work and contact the utility owner
Work must stop immediately when an unmarked utility is discovered, and the utility owner must be notified to verify ownership and safety.
Question 5: According to ANSI/ISEA 107, which class of high-visibility apparel provides the highest level of visibility and is required on most highway work zones?
- Class 1
- Class 2
- Class 3 (Correct answer)
- Class E
Correct answer: Class 3
ANSI Class 3 high-visibility apparel provides the greatest amount of retroreflective material and is required for workers in high-traffic highway environments.
Question 6: What does the acronym LOTO stand for in construction safety, and which OSHA standard governs it?
- Lock Out / Tag Out — 29 CFR 1910.147 (Correct answer)
- Line of Travel Operations — 29 CFR 1926.50
- Lift Over Transfer Operations — 29 CFR 1910.179
- Load Out / Transfer Out — 29 CFR 1926.600
Correct answer: Lock Out / Tag Out — 29 CFR 1910.147
Lockout/Tagout (LOTO) is governed by OSHA 29 CFR 1910.147 and prevents unexpected energization during equipment servicing.
Question 7: When must a competent person inspect an excavation for hazardous conditions on a construction site?
- Once per week regardless of conditions
- Only after a rainfall event
- Daily and after any event that could affect stability (Correct answer)
- Before final backfill only
Correct answer: Daily and after any event that could affect stability
OSHA 1926.651(k) requires a competent person to inspect excavations daily and after any event such as rain, frost thaw, or vibration that could affect stability.
CFB Safety Regulations & Compliance 2
Under OSHA 29 CFR 1926.502, what is the minimum height at which fall protection is required for workers in construction?