CPII Safety Protocols 2 — Questions and Answers
Question 1: When conducting a confined space inspection, what is the minimum atmospheric oxygen level considered safe for entry without supplied air?
- 16%
- 19.5% (Correct answer)
- 21%
- 23.5%
Correct answer: 19.5%
OSHA defines a safe oxygen level for confined space entry as between 19.5% and 23.5%; below 19.5% is considered oxygen-deficient.
Question 2: A public inspector discovers a gas line with a pressure reading 30% above the permitted operating pressure. What is the correct immediate action?
- Document and schedule a follow-up inspection
- Continue inspection and note in the final report
- Halt work and notify the utility operator immediately (Correct answer)
- Reduce the pressure manually before proceeding
Correct answer: Halt work and notify the utility operator immediately
An overpressure condition is an imminent hazard requiring immediate work stoppage and notification of the responsible utility operator.
Question 3: Which type of Personal Protective Equipment (PPE) is specifically required when inspecting sites with known asbestos-containing materials above permissible exposure limits?
- N95 respirator and safety glasses
- Half-face air-purifying respirator with P100 filters and Tyvek suit
- Powered air-purifying respirator (PAPR) and disposable coveralls
- Full-face supplied-air respirator and disposable coveralls (Correct answer)
Correct answer: Full-face supplied-air respirator and disposable coveralls
OSHA 1926.1101 Class I asbestos work requires a full-face supplied-air respirator and disposable protective clothing when PEL is exceeded.
Question 4: What is the purpose of a Job Hazard Analysis (JHA) performed before an infrastructure inspection?
- To estimate the total project cost
- To systematically identify and mitigate hazards for each inspection task (Correct answer)
- To document completed safety training records
- To assign liability in case of an accident
Correct answer: To systematically identify and mitigate hazards for each inspection task
A JHA breaks each task into steps and identifies associated hazards so controls can be implemented before work begins.
Question 5: During a bridge inspection, an inspector notices a colleague not wearing a fall protection harness near an unguarded edge with a 15-foot drop. What should the inspector do?
- Complete the inspection first, then report the violation
- Immediately intervene and require the colleague to don proper fall protection before continuing (Correct answer)
- Note the observation in the inspection log only
- Inform the project manager at the end of the day
Correct answer: Immediately intervene and require the colleague to don proper fall protection before continuing
OSHA requires fall protection at heights of 6 feet or more in construction; an inspector must stop unsafe acts immediately to prevent injury.
Question 6: Which lockout/tagout (LOTO) step must be completed immediately after applying a lockout device to an energy isolation point?
- Notify the crew that equipment is locked out
- Attempt to operate the equipment to verify zero energy state (Correct answer)
- Remove all tags from the equipment
- Complete the written LOTO permit form
Correct answer: Attempt to operate the equipment to verify zero energy state
Verification of zero energy state by attempting to operate the equipment is the critical confirmation step after applying LOTO.
Question 7: What is the correct action when an inspector identifies a work zone with inadequate advance warning signs on a high-speed roadway inspection?
- Proceed with the inspection while flagging traffic manually
- Stop all inspection activities until proper temporary traffic control is established (Correct answer)
- Reduce the inspection scope to minimize time in the zone
- Accept the conditions if the work window is under 30 minutes
Correct answer: Stop all inspection activities until proper temporary traffic control is established
MUTCD Part 6 requires adequate advance warning before any inspector enters a high-speed work zone; absent controls make the zone unsafe to enter.
CPII Safety Protocols 2
When conducting a confined space inspection, what is the minimum atmospheric oxygen level considered safe for entry without supplied air?