ASP ASP Construction Safety and Fall Protection 2 — Questions and Answers
Question 1: Under OSHA 29 CFR 1926.451, what is the minimum design load capacity that classifies a scaffold as light-duty?
- 15 psf
- 25 psf (Correct answer)
- 50 psf
- 75 psf
Correct answer: 25 psf
OSHA classifies light-duty scaffolds as those designed to carry loads up to 25 psf; medium-duty is rated at 50 psf.
Question 2: Who must inspect scaffolding before each work shift and after any event that could affect its structural integrity?
- Any construction worker
- A competent person (Correct answer)
- A licensed structural engineer
- The scaffold manufacturer's representative
Correct answer: A competent person
OSHA requires a competent person to inspect scaffolding before each work shift and after any occurrence affecting its structural integrity.
Question 3: Under OSHA scaffold standards, scaffolds must be capable of supporting at least how many times their maximum intended load?
- 2 times
- 3 times
- 4 times (Correct answer)
- 5 times
Correct answer: 4 times
OSHA 29 CFR 1926.451 requires scaffolds to be designed and constructed to support at least 4 times the maximum intended load.
Question 4: At what height above the lower level does OSHA require guardrails to be installed on scaffold work platforms?
- 6 feet
- 10 feet (Correct answer)
- 14 feet
- 20 feet
Correct answer: 10 feet
OSHA requires guardrails on scaffold platforms when the working surface is 10 feet or more above the lower level.
Question 5: What is the minimum width required for scaffold work platforms under OSHA 29 CFR 1926.451?
- 12 inches
- 18 inches (Correct answer)
- 24 inches
- 36 inches
Correct answer: 18 inches
OSHA requires scaffold work platforms to be at least 18 inches wide to provide sufficient footing for workers.
Question 6: Under OSHA scaffold standards, what is the maximum allowable gap between adjacent scaffold planks?
- 1/4 inch
- 1/2 inch
- 1 inch (Correct answer)
- 2 inches
Correct answer: 1 inch
OSHA 29 CFR 1926.451(b)(1) permits a maximum gap of 1 inch between scaffold planks to prevent tools and debris from falling through.
ASP ASP Construction Safety and Fall Protection 2
Under OSHA 29 CFR 1926.451, what is the minimum design load capacity that classifies a scaffold as light-duty?