CHST CHST - Construction Health and Safety Technician Scaffolding and Elevated Work Platforms Questions and Answers 4

Question 1

Under OSHA 29 CFR 1926.502, what is the minimum height at which personal fall arrest systems must be used on scaffolding when guardrails are not provided?

Accepted Answer

6 feet

Answer

OSHA requires fall protection for scaffold workers at heights of 6 feet or more above a lower level when guardrails are not provided.

Question 2

What is the OSHA-required minimum distance that a scaffold must be erected from an energized power line rated at 50 kV or less?

Accepted Answer

10 feet

Answer

OSHA 1926.416 requires scaffolds to be erected at least 10 feet from energized power lines rated 50 kV or less.

Question 3

Which type of scaffold relies solely on the building structure for support and has no legs, poles, or uprights?

Accepted Answer

Suspended scaffold

Answer

Suspended scaffolds hang from an overhead structure using ropes or other non-rigid means rather than being supported from below.

Question 4

When using a two-point suspension scaffold (swing stage), what is the required safety factor for the supporting ropes?

Accepted Answer

6 to 1

Answer

OSHA requires a minimum safety factor of 6:1 for suspension ropes on two-point adjustable suspension scaffolds.

Question 5

A competent person inspects a scaffold and finds a plank with a split running along the grain for 18 inches. What is the correct action?

Accepted Answer

Remove and replace the plank immediately

Answer

Any scaffold plank with visible defects such as splits compromising structural integrity must be immediately removed from service.

CHST - Construction Health and Safety Technician Practice Test

CHST - Construction Health and Safety Technician Practice Test

CHST CHST - Construction Health and Safety Technician Scaffolding and Elevated Work Platforms Questions and Answers 4