Falls, Lifelines and Safety Nets

According to OSHA, falls are the leading cause of death in construction. During the first week of Electrical Safety Month, OSHA held its National Stand-Down to Prevent Falls. Test your fall-protection knowledge here.

1. In construction, the general threshold for fall protection requirements begins at _______ feet.

Correct Answer: 6

2. The top rail of a guardrail system must be capable of withstanding 200 lbs. of downward and outward force. How much force must a mid-rail be capable of withstanding?

Correct Answer: 150 lbs.

3. What must the rating of the approved anchor point be for a horizontal lifeline that three workers are connected to?

Correct Answer: 15,000 lbs.

4. What must the rating of an approved anchor point be for a vertical lifeline connected to one worker’s full-body harness as part of a personal fall arrest system (PFAS)?

Correct Answer: 5,000 lbs.

5. Under general conditions, without exceptions, it is always acceptable to connect two workers to a single vertical lifeline.

Correct Answer: True
Correct Answer: False

6. In 2022, a PFAS consists of the following components except:

Correct Answer: D-ring with a minimal tensile strength of 2,500 lbs.

7. The general fall protection requirement for scaffolds requires that each employee more than _______ feet above a lower level is protected from falling to that level.

Correct Answer: 10

8. Safety nets shall be installed as close as practical under the walking/working surface where employees are working, but in no case more than _______ feet below.

Correct Answer: 30

9. How much distance should be added to the calculation for the total fall distance when using a shock-absorbing lanyard?

Correct Answer: 3½ ft.

10. The proper height-to-base ratio for an extension ladder used on a construction site to gain roof access is _______. In addition, the top of the ladder must extend 3 feet above the roof’s edge.

Correct Answer: 4:1