2.2 Construction Safety Standards- Scaffolding Safety

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2.2 Construction Safety Standards- Scaffolding Safety - Quiz

This quiz is designed to test employees on Scaffolding Safety.


Questions and Answers
  • 1. 

    It is okay to set up a scaffold out of plumb as long as it is only 5 frames tall or less.

    • A.

      TRUE

    • B.

      FALSE

    Correct Answer
    B. FALSE
    Explanation
    Setting up a scaffold out of plumb, even if it is only 5 frames tall or less, is not okay. Plumb refers to the vertical alignment of the scaffold, and it is crucial for safety and stability. If a scaffold is not plumb, it can pose a risk of collapse or instability, leading to accidents and injuries. Therefore, it is important to ensure that scaffolds are always set up plumb, regardless of their height.

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  • 2. 

    If a/an______ is installed at the appropriate height it can act as the top rail or mid rail on a scaffold's handrail.

    • A.

      Bucket

    • B.

      Cross brace

    • C.

      Caution tape

    • D.

      Stair tower

    • E.

      Bologna sandwich

    Correct Answer
    B. Cross brace
    Explanation
    A cross brace can be installed at the appropriate height to act as the top rail or mid rail on a scaffold's handrail. This is because a cross brace is a horizontal support that helps stabilize the scaffold structure and prevent it from swaying or collapsing. By positioning the cross brace at the appropriate height, it can serve as a safety rail, ensuring that workers are protected and preventing falls from the scaffold.

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  • 3. 

    A screw jack should never extend more than ______ of it's length?

    • A.

      2-Jan

    • B.

      3-Feb

    • C.

      8-Jul

    • D.

      4-Mar

    Correct Answer
    A. 2-Jan
    Explanation
    A screw jack should never extend more than 2-Jan (1/2) of its length because exceeding this limit can cause instability and potentially lead to the jack collapsing or failing to support the load properly. It is important to follow this guideline to ensure safety and prevent any accidents or damage.

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  • 4. 

    You do not want to distribute the load on a scaffold over the support.

    • A.

      TRUE

    • B.

      FALSE

    Correct Answer
    B. FALSE
    Explanation
    The statement is false because it is important to distribute the load evenly on a scaffold over the support. By doing so, the scaffold will be more stable and less likely to collapse or cause accidents. Failing to distribute the load properly can lead to uneven weight distribution, which can put excessive stress on certain parts of the scaffold and increase the risk of accidents. It is crucial to follow proper safety guidelines and distribute the load evenly to ensure the stability and integrity of the scaffold.

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  • 5. 

    For scaffold platform construction you must have all the following:

    • A.

      Platforms fully planked or decked

    • B.

      Not more than 1-inch gap between planks

    • C.

      "Scaffold Platforms and walkways must be at least 20"" wide"

    • D.

      A yellow tag hanging on the scaffold during construction

    Correct Answer(s)
    A. Platforms fully planked or decked
    B. Not more than 1-inch gap between planks
    C. "Scaffold Platforms and walkways must be at least 20"" wide"
    Explanation
    The correct answer is that for scaffold platform construction, you must have platforms that are fully planked or decked, with not more than a 1-inch gap between planks. Additionally, scaffold platforms and walkways must be at least 20" wide. These requirements ensure the safety and stability of the scaffold, providing a solid and secure platform for workers to perform their tasks. The fully planked or decked platforms prevent any gaps that could pose a tripping hazard or cause tools or materials to fall through. The minimum width requirement ensures there is enough space for workers to move around and perform their tasks safely.

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  • 6. 

    When overlapping OSHA planks on a scaffold frame what is the minimum and maximum overlap required?

    • A.

      "2"" min - 36"" max"

    • B.

      "1"" min - 14"" max"

    • C.

      "6"" min - 12"" max"

    • D.

      "15"" min - 22"" max"

    Correct Answer
    C. "6"" min - 12"" max"
    Explanation
    When overlapping OSHA planks on a scaffold frame, the minimum and maximum overlap required is 6" and 12" respectively. This means that the planks must overlap by at least 6" but no more than 12" to ensure proper stability and safety of the scaffold structure. This range allows for a secure connection between the planks while also preventing excessive overlap that could lead to instability.

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  • 7. 

    At the start of each shift you must conduct an inspection of the scaffolding.

    • A.

      TRUE

    • B.

      FALSE

    Correct Answer
    A. TRUE
    Explanation
    At the start of each shift, conducting an inspection of the scaffolding is necessary to ensure its safety and stability. This inspection helps identify any potential hazards or defects that may have occurred since the last shift, allowing for timely repairs or adjustments to be made before workers start their tasks. By regularly inspecting the scaffolding, the risk of accidents or injuries due to faulty equipment or unstable structures is minimized. Therefore, it is important to conduct these inspections at the beginning of each shift.

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  • 8. 

    Which of the following are scaffolding access requirements?

    • A.

      Must have safe access

    • B.

      "Bottom access rung is not more than 24"" high"

    • C.

      Rest platforms at 35 foot intervals

    • D.

      "Only end frames with built in ladders that have rungs 8"" apart can be used for access"

    • E.

      The base plate or foot of the scaffold leg only has to contact ground on 3 of the 4 sides.

    Correct Answer(s)
    A. Must have safe access
    B. "Bottom access rung is not more than 24"" high"
    C. Rest platforms at 35 foot intervals
    D. "Only end frames with built in ladders that have rungs 8"" apart can be used for access"
    Explanation
    The correct answer includes the following requirements for scaffolding access: the scaffold must have safe access, the bottom access rung cannot be more than 24" high, rest platforms must be provided at 35-foot intervals, and only end frames with built-in ladders that have rungs 8" apart can be used for access. Additionally, the base plate or foot of the scaffold leg only needs to contact the ground on 3 of the 4 sides.

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  • 9. 

    The rated load capacity for three-person scaffolding is 250 pounds placed at the center of the span and 250 pounds placed 18 inches to the left and right of the center span (total 750 pounds)

    • A.

      TRUE

    • B.

      FALSE

    Correct Answer
    A. TRUE
    Explanation
    The explanation for the given correct answer is that the rated load capacity for three-person scaffolding is indeed 250 pounds placed at the center of the span and 250 pounds placed 18 inches to the left and right of the center span, which adds up to a total of 750 pounds. Therefore, the statement is true.

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  • 10. 

    How often do you have to inspect a stair tower?

    • A.

      Weekly

    • B.

      Any time the scaffold is moved

    • C.

      Only when suspicions warrant

    • D.

      Daily with all other scaffold

    Correct Answer
    D. Daily with all other scaffold
    Explanation
    The correct answer is "Daily with all other scaffold." This means that the stair tower should be inspected every day along with all other scaffolds. Inspecting the stair tower daily ensures that any potential issues or hazards can be identified and addressed promptly, maintaining safety for those using the tower.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 23, 2008
    Quiz Created by
    Kiewit
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