Question 1: For excavations that are more than 4 feet in depth, what is maximum allowable travel distance to the nearest safe means of egress?

10 feet

15 feet

20 feet

25 feet

Question 2: What is the minimum required clearance when a crane is operating in the vicinity of a 150 kV power line?

10 feet

15 feet

20 feet

25 feet

Question 3: Hardware used in the lifting precast concrete must be capable of supporting __________ times the intended load applied or transmitted.

6

5

4

2

Question 4: In evaluating soil, if the thumb penetrates no further than the length of the thumbnail, it is probably __________.

type A soil

type B soil

type C soil

layered geological strata

Question 5: Which of the following is NOT a specification for a limited access zone during masonry wall construction?

On the unscaffolded side of the wall

Established prior to the start of construction

Equal in width to one-half the height of the wall

Run the entire length of the wall

Question 6: 29 CFR 1926 Subpart CC requires that workers understand the crane safety training they are provided. Suggest some ways to ensure understanding is achieved. How can workers' understanding be verified?

Question 7: Discuss the differences between shields, shoring, and sloping in the context of protective systems used in excavation. How is the appropriate system selected?

Question 8: Discuss the site evaluation steps that should be taken before starting an excavation project. Which step(s) are likely to contribute the most in preventing excavation injuries?

Question 9: What is the purpose of conducting an engineering survey prior to a demolition project? Describe and discuss the major components of an engineering survey for the demolition of a two-story wood structure.