
Trenching and Shoring 1
Authored by Anais Bailey
Science
Professional Development
NGSS covered
Used 17+ times

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5 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What are 4 reasons for injury?
Attitude, Lack of Training, Insufficient Enforcement & Costs
Poor Posture, Negligence, Unsafe Conditions and Hazards
Carelessness, Unsafe Practices, Inadequate Supervision & Risk
Negligence, Unsafe Environments, Poor Maintenance and Hazards
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
What are Requirements for Protective Systems (Select all that apply)
Discuss requirements for protective systems to be held by foreman at jobsite.
Excavation less than 5 feet in depth may require shoring if there are indications of trench failure
Excavations 5 feet or greater in depth, unless in entirely stable rock
Tools needed for protective system (Ladder, Shoring, etc.)
3.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
[Blank - 3-letter word] Slide is when the top of the wall caves in and is a less severe version of a shear wall collapse.
Tags
NGSS.MS-ESS3-2
NGSS.MS-ESS2-2
4.
FILL IN THE BLANK QUESTION
45 sec • 1 pt
S____ W___ C_______ happens when cubic yards of soil instantly fall.
Tags
NGSS.MS-ESS3-2
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Which of the following are considered causes of Trench Failure?
Sliding Failure
Subsidence
Toppling
Cracking
Boiling
Tags
NGSS.MS-ESS3-2
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