3.1 Construction Safety Standards - Excavation
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This quiz is to test the knowledge of Kiewit employees on their knowledge of safe practices of excavation.
- 1.
![How is this trench in violation? - ProProfs]( "How is this trench in violation?")
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? - ProProfs]( "What is the hazard in this picture?")
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? - ProProfs]( "Which soil type has the greatest compressive strength rating 1.5 tons per square foot?")
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? - ProProfs]( "Does this excavation need to be inspected every day by a competent person?")
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? - ProProfs]( "Check all the apply?")
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. - ProProfs]( "What can be done to prevent vehicles from entering an excavation? Mark all that apply.")
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.
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