GCC Construction Safety and Risk Management 2 — Questions and Answers
Question 1: Under OSHA's Hazard Communication Standard (HazCom), what must employers provide to workers who handle hazardous chemicals?
- Safety Data Sheets (SDS) and training on chemical hazards (Correct answer)
- Only verbal instructions on chemical use
- A list of chemicals posted in the break room
- Monthly safety meetings about general workplace hazards
Correct answer: Safety Data Sheets (SDS) and training on chemical hazards
HazCom requires employers to provide Safety Data Sheets and employee training on chemical hazards present in the workplace.
Question 2: A contractor notices standing water in an excavation. Under OSHA 29 CFR 1926, what action is required before workers may re-enter?
- Remove the water and inspect for hazards before allowing re-entry (Correct answer)
- Allow workers to enter with rubber boots
- Post a warning sign and continue work
- Notify the project owner and wait 24 hours
Correct answer: Remove the water and inspect for hazards before allowing re-entry
Standing water must be removed and the excavation inspected for cave-in or other hazards before workers are allowed back in.
Question 3: What is the primary purpose of a Job Hazard Analysis (JHA)?
- To identify and control hazards in each step of a task before work begins (Correct answer)
- To document worker injuries after they occur
- To determine project scheduling and resource needs
- To estimate material costs for a construction task
Correct answer: To identify and control hazards in each step of a task before work begins
A JHA breaks a job into steps and identifies potential hazards and controls for each step proactively.
Question 4: Which OSHA standard governs personal protective equipment (PPE) selection on construction sites?
- 29 CFR 1926 Subpart E (Correct answer)
- 29 CFR 1910.147
- 29 CFR 1926 Subpart P
- 29 CFR 1926 Subpart Q
Correct answer: 29 CFR 1926 Subpart E
29 CFR 1926 Subpart E specifically addresses PPE requirements for construction workers.
Question 5: When must a competent person inspect an excavation on a construction site?
- Daily and after any event that could increase hazard (rain, freeze-thaw, etc.) (Correct answer)
- Only at the start of each work week
- Once before excavation begins and never again
- Only when workers request an inspection
Correct answer: Daily and after any event that could increase hazard (rain, freeze-thaw, etc.)
OSHA requires a competent person to inspect excavations daily and after any hazard-increasing event such as rainfall or temperature changes.
Question 6: A general contractor's subcontractor fails to follow OSHA standards on a multi-employer worksite. Who may OSHA cite?
- The general contractor, the subcontractor, or both, depending on their control over the hazard (Correct answer)
- Only the subcontractor who created the hazard
- Only the general contractor as the site owner
- Neither party if the hazard was not reported
Correct answer: The general contractor, the subcontractor, or both, depending on their control over the hazard
OSHA's multi-employer citation policy allows citations to creating, exposing, correcting, or controlling employers.
Question 7: What is the minimum illumination required by OSHA for general construction work areas?
- 5 foot-candles (Correct answer)
- 10 foot-candles
- 2 foot-candles
- 20 foot-candles
Correct answer: 5 foot-candles
OSHA 29 CFR 1926.56 requires a minimum of 5 foot-candles for general construction areas.
Under OSHA's Hazard Communication Standard (HazCom), what must employers provide to workers who handle hazardous chemicals?