Scaffold Competent Person

First published: September 2, 2026Last verified: September 2, 2026Reviewed by the CertQuestUSA team

TL;DR

Scaffold Competent Person: a 33-question practice bank for the real OSHA Safety & Health standard, 1 full paper of 17 questions each with no repeats, every question citing the real regulation it comes from.

Not sure where you stand? Take the free diagnostic — 10 real questions across the exam's domains, no sign-up required, with a domain-by-domain breakdown at the end.

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1

full paper

17

questions per paper

33

questions in the bank

What this exam covers

Inspection, Erection Supervision and Structural Judgment Calls (1926.451, 1926.454)100%

5 real sample questions

How does Subpart L define "competent person" for scaffold work?

A. One capable of identifying existing and predictable hazards in the surroundings or working conditions, and who has authorization to take prompt corrective measures to eliminate them

B. One who holds a recognized degree, certificate, or professional standing in engineering

C. One who has personally erected at least 100 scaffolds

D. One who is designated in writing by the scaffold manufacturer

Source: 1926.450(b): Competent person, definition

How does the standard distinguish a "qualified person" from a "competent person"?

A. A qualified person is defined by degree, certificate, or demonstrated knowledge/training/experience solving problems in the subject matter, while a competent person is defined by hazard-identification ability plus corrective authority

B. There is no distinction; the terms are used interchangeably throughout Subpart L

C. A qualified person always outranks a competent person on an organizational chart

D. A competent person must always also be a qualified person, with no separate criteria

Source: 1926.450(b): Qualified person, definition

How often must a competent person inspect scaffolds and scaffold components for visible defects?

A. Before each work shift, and after any occurrence that could affect the scaffold's structural integrity

B. Once, at the time the scaffold is first assembled, with no further inspection

C. Once per month, regardless of use or weather events

D. Only when an employee specifically requests an inspection

Source: 1926.451(f)(3)

When an inspection finds a damaged or weakened scaffold component, what must happen to it?

A. It must be immediately repaired or replaced, braced to meet the provisions, or removed from service until repaired

B. It may remain in use until the end of the current project phase

C. It should be flagged with tape but can stay in service

D. It only needs to be addressed if it is load-bearing

Source: 1926.451(f)(4)

Under whose supervision must scaffolds be erected, moved, dismantled, or altered?

A. A competent person qualified in scaffold erection, moving, dismantling, or alteration

B. Any employee who has watched the process before

C. The scaffold rental company's delivery driver

D. No supervision is required if the scaffold is under 10 feet tall

Source: 1926.451(f)(7)

Real-world data for this exam

Scaffolds: General Requirements2023-01-01–2026-07-3011,628 citations Aerial Lifts2023-01-01–2026-07-302,779 citations

Frequently asked questions

How many questions are on the CertQuestUSA Scaffold Competent Person practice test?

33 questions total, split into 1 full paper of 17 each with no repeats across papers.

What topics does the Scaffold Competent Person test cover?

1 domains, with the heaviest weight on Inspection, Erection Supervision and Structural Judgment Calls (1926.451, 1926.454) (100%).

Is there a free diagnostic for Scaffold Competent Person?

Yes -- 10 real questions across the exam's domains, no sign-up required, with a domain-by-domain breakdown at the end.