Safety & Risk Management Flashcards

What is the OSHA permissible exposure limit (PEL) for respirable crystalline silica in construction under 29 CFR 1926.1153?

Answer: 50 µg/m³ as an 8-hour TWA

The silica standard sets a PEL of 50 micrograms per cubic meter averaged over an 8-hour shift.

Under OSHA Subpart CC, what is the minimum clearance a crane must maintain from power lines rated up to 50 kV?

Answer: 10 feet

Table A of 1926.1408 requires 10 feet of clearance for lines up to 50 kV.

What is the primary purpose of a lockout/tagout program on a construction site?

Answer: To control hazardous energy during servicing and maintenance

Lockout/tagout prevents unexpected energization or release of stored energy while workers service equipment.

Under OSHA's Hazard Communication Standard aligned with GHS, how many sections must a Safety Data Sheet contain?

Answer: 16

GHS-format Safety Data Sheets follow a standardized 16-section layout.

Under OSHA's Multi-Employer Citation Policy, a general contractor with supervisory authority over site safety who fails to ensure a sub corrects a hazard may be cited as which type of employer?

Answer: Controlling employer

A controlling employer has general supervisory authority and must exercise reasonable care to prevent and detect violations.

A Job Hazard Analysis (JHA) is best described as which process?

Answer: Breaking a task into steps, identifying hazards for each, and defining controls

A JHA proactively reviews each step of a job to identify hazards and specify controls before work begins.

A general contractor wants coverage under a subcontractor's commercial general liability policy for claims arising from the sub's work. What should the GC require?

Answer: An additional insured endorsement

An additional insured endorsement extends the sub's CGL coverage to protect the GC for liability arising from the sub's operations.