ASP ASP Construction Safety and Fall Protection 3

Question 1

Under OSHA 29 CFR 1926.652, what minimum trench depth requires a protective system such as sloping, shoring, or shielding?

Accepted Answer

5 feet

Answer

3 feet

Answer

4 feet

Answer

6 feet

Question 2

What maximum slope ratio does OSHA require for a Type C soil excavation to prevent cave-in?

Accepted Answer

1½:1 (34°)

Answer

1:1 (45°)

Answer

3/4:1 (53°)

Answer

1/2:1 (63°)

Question 3

What is the minimum distance excavated spoil (soil) must be kept from the edge of a trench per OSHA standards?

Accepted Answer

2 feet

Answer

1 foot

Answer

3 feet

Answer

5 feet

Question 4

Under OSHA excavation standards, what is the maximum lateral distance a worker may be from a means of egress inside a trench 4 feet or deeper?

Accepted Answer

25 feet

Answer

15 feet

Answer

35 feet

Answer

50 feet

Question 5

Which OSHA soil classification has the highest unconfined compressive strength and is the most stable for excavation?

Accepted Answer

Type A

Answer

Type B

Answer

Type C

Answer

Type D

Question 6

Who is required by OSHA to classify soil conditions and evaluate excavation safety at a construction site?

Accepted Answer

A competent person

Answer

The project owner

Answer

Any construction worker

Answer

A licensed geotechnical engineer