CHST Crane and Rigging Safety 2

Question 1

Under OSHA 1926.1412, what must a crane operator do before beginning any lifting operations?

Accepted Answer

Conduct a pre-shift visual inspection of the crane, including controls, safety devices, wire rope, and operational aids

Answer

Review only the manufacturer's load chart for the day's lifts

Answer

Obtain verbal approval from the site superintendent

Answer

Test the load by lifting it 1 inch off the ground for 30 seconds

Question 2

What is the required minimum clearance between a crane and an energized power line rated between 50 kV and 200 kV under OSHA 1926.1408?

Accepted Answer

15 feet

Answer

10 feet

Answer

20 feet

Answer

25 feet

Question 3

What does a crane's 'load chart' specify, and why must it be accessible to the operator at all times?

Accepted Answer

The maximum loads the crane can safely lift at various radii, boom lengths, and configurations — it must be accessible so the operator can verify any proposed lift is within rated capacity

Answer

The crane's maintenance schedule and lubrication intervals

Answer

The crane's travel speed under different load conditions

Answer

The OSHA certification status of the crane

Question 4

Under OSHA 1926.1425, when are tag lines required during crane lift operations?

Accepted Answer

When the load must be controlled to prevent rotation, swinging, or uncontrolled movement that could endanger workers

Answer

Only when loads exceed 1,000 lbs

Answer

Only when wind speed exceeds 15 mph

Answer

Only when lift height exceeds 20 feet

Question 5

What does OSHA 1926.1412 prohibit regarding crane rated capacity during normal lifting operations?

Accepted Answer

Operating a crane in excess of its rated capacity under any normal operational conditions

Answer

Operating a crane above 75% of rated capacity without a critical lift plan

Answer

Using the crane within 10% of rated capacity without a spotter

Answer

Conducting tandem lifts without engineering approval

Question 6

Under OSHA 1926.1404, which of the following is a recognized pathway for crane operator qualification?

Accepted Answer

Certification by an accredited crane operator testing organization such as NCCCO

Answer

Completion of a 40-hour OSHA outreach course only

Answer

Any supervisory experience of 5 or more years with heavy equipment

Answer

A general construction foreman license