3.1 Construction Safety Standards - Excavation

12 Questions | Total Attempts: 72

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3.1 Construction Safety Standards - Excavation

This quiz is to test the knowledge of Kiewit employees on their knowledge of safe practices of excavation.


Questions and Answers
  • 1. 
    How is this trench in violation?
    • A. 

      No barriers to prevent entry

    • B. 

      Insufficient means of egress

    • C. 

      Unacceptable Shoring

    • D. 

      All of the Above

    • E. 

      Looks great.

  • 2. 
    What is the hazard in this picture?
    • A. 

      There is no hazard

    • B. 

      Vibrations from equipment overhead

    • C. 

      Possible cave-in

    • D. 

      Fumes from overhead equipment

    • E. 

      Sloped toward hole at the top of the cut which could allow for falling debris

  • 3. 
    Which soil type has the greatest compressive strength rating 1.5 tons per square foot?
    • A. 

      Type A

    • B. 

      Type B

    • C. 

      Type C

    • D. 

      Type D

    • E. 

      None of the Above

  • 4. 
    • A. 

      Evaluate soil conditions.

    • B. 

      Construct protective systems.

    • C. 

      Utility locate

    • D. 

      Provide safe access

    • E. 

      All of the Above

  • 5. 
    Does this excavation need to be inspected every day by a competent person?
    • A. 

      Yes

    • B. 

      No

  • 6. 
    • A. 

      Right next to excavation as long as it doesn't fall back in.

    • B. 

      At least 2 feet from the excavation.

    • C. 

      Wherever is the most convenient.

    • D. 

      Within a foot to allow for reach of excavator.

  • 7. 
    Check all the apply?
    • A. 

      The ladder is too short and should be an extension ladder not a step ladder

    • B. 

      Looking at the soil type the walls of the cut should be sloped

    • C. 

      The ladder should be cleaned off

    • D. 

      Employees should never be exposed to an excavation that could collapse

    • E. 

      Looks good to me

  • 8. 
    Can weather or climate affect how a trench protective system needs to be designed?
    • A. 

      YES

    • B. 

      NO

  • 9. 
    What can be done to prevent vehicles from entering an excavation? Mark all that apply.
    • A. 

      Install Barricades

    • B. 

      Hand and Mechanical Signals

    • C. 

      Put yourself in front of the vehicle

    • D. 

      Berms and Stop Logs

    • E. 

      Slope Soil away from Excavation

  • 10. 
    Which of the following is the greatest risk of an excavation?
    • A. 

      Asphxiation

    • B. 

      Inhalation of toxic materials

    • C. 

      Fire

    • D. 

      Moving Machinery

    • E. 

      Cave-ins

  • 11. 
    There is usually warning before a cave-in.
    • A. 

      TRUE

    • B. 

      FALSE

  • 12. 
    _______ is a technique used to prevent cave-ins by employing a specific angle on the sides of the excavation.