#1
Which of the following is an essential safety precaution when working on scaffolding?
Regularly inspecting scaffolding for damage or defects
ExplanationRegular inspection ensures safety by identifying potential hazards.
#2
What is the primary purpose of guardrails on scaffolding?
To prevent falls
ExplanationGuardrails provide a physical barrier to minimize the risk of falling.
#3
What is the recommended maximum gap between scaffold planks?
1 inch
ExplanationA smaller gap ensures stability and reduces the risk of slipping.
#4
What is the purpose of a tag system used on scaffolding?
To indicate the scaffold's safety status and if it is safe for use
ExplanationProvides clear communication about the scaffold's safety status.
#5
What is the recommended maximum gap between scaffold planks for light-duty work?
1 inch
ExplanationEnsures stability and safety for light-duty tasks.
#6
What is the maximum gap allowed between the scaffold planks and the scaffold frame?
6 inches
ExplanationA larger gap could compromise the stability of the scaffold.
#7
What is the minimum width required for a scaffold platform where employees are working?
18 inches
ExplanationA wider platform provides adequate space for safe movement and work.
#8
Which type of scaffold is commonly used for projects that require mobility and access to different areas?
Mobile scaffold
ExplanationAllows easy movement and access to various work areas.
#9
What should workers do if they notice a hazard or potential safety issue on a scaffold?
Inform the supervisor immediately and stop work until the issue is addressed
ExplanationImmediate reporting ensures timely resolution of safety concerns.
#10
What should be used to access a scaffold platform if it is more than 2 feet above or below a point of access?
A ladder
ExplanationProvides safe access to scaffold platforms at varying heights.
#11
What is the maximum height at which a personal fall arrest system can be used on a scaffold without additional support?
6 feet
ExplanationBeyond this height, additional support systems are required for safety.
#12
When should scaffolding be inspected?
Before each work shift, and after any occurrence that could affect its structural integrity
ExplanationRegular inspection ensures safety by identifying potential hazards.
#13
What should be done before moving a scaffold that has workers or materials on it?
Ensure the wheels are locked, and secure loose items
ExplanationPrevents accidents and ensures stability during movement.
#14
Which of the following is NOT a potential hazard associated with scaffolding?
Excessive comfort
ExplanationSafety concerns on scaffolding are typically related to physical hazards, not comfort.
#15
What is the recommended maximum height for a freestanding scaffold?
40 feet
ExplanationBeyond this height, additional measures are needed for stability and safety.