CHST CHST - Construction Health and Safety Technician Scaffolding and Elevated Work Platforms Questions and Answers 2

Question 1

What is the maximum height-to-base ratio for a freestanding mobile scaffold before additional stabilization is required?

Accepted Answer

3:1

Answer

The height of a mobile scaffold must not exceed 3 times the minimum base dimension without additional outriggers or ties.

Question 2

Which OSHA standard governs the use of aerial lifts in construction?

Accepted Answer

29 CFR 1926.453

Answer

Aerial lifts used in construction are governed by OSHA 29 CFR 1926.453.

Question 3

When using an aerial lift (boom-supported), workers must:

Accepted Answer

Stand on the floor of the bucket only and use a body belt or harness attached to the boom or basket

Answer

Workers in aerial lifts must stand only on the floor of the bucket and wear a body belt or harness attached to the boom or basket.

Question 4

What must be done before moving a mobile scaffold?

Accepted Answer

Ensure no workers or materials are on the scaffold

Answer

All workers and materials must be removed from a mobile scaffold before it is moved to prevent falls.

Question 5

Scaffold planks must extend beyond their end supports by a minimum of:

Accepted Answer

6 inches

Answer

Scaffold planks must extend at least 6 inches beyond their supports to prevent tipping.

CHST - Construction Health and Safety Technician Practice Test