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Chapter 3 Review Questions
1. What is the purpose of a protective system and briefly describe each of the four types?
2. What are the two basic ideas that go into protective system design?
3. List and describe the advantages and disadvantages of using shields for protection.
4. List and describe the advantages and disadvantages of using shores for protection.
5. List and describe the advantages and disadvantages of using sloped trench walls for
protection.
6. List and describe the advantages and disadvantages of using benched trench walls for
protection.
7. What is the purpose of the tabulated data and how is it important to the Competent
Person?
Trench & Excavation
Competent Person Training P3 Safety Solutions LLC
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