Carpentry & Building Construction © 2004

Safety Quizzes :

Self-Check Safety Quiz 13

Excavation and Trench Areas

Directions: Study safety sheet 4-4 from the Safety Guidebook for Carpentry & Building Construction, ISBN 0-07-825352-7. Then choose the letter of the answer that best completes the statement or answers the question.

1.
When you need to cross over a trench at ground level, be sure to install a
A)ladder.
B)walkway.
C)lifeline.
D)scaffold.
2.
Guardrails must be installed on walkways that are at least how high above the excavated level?
A)10 feet
B)8 feet
C)6 feet
D)4 feet
3.
What is the minimum distance a secured ladder should extend above the landing of an excavation?
A)1 foot
B)2 feet
C)3 feet
D)4 feet
4.
The most important reason for staying at least 2 feet from the edge of an excavation is that
A)a barricade may be shifted.
B)workers may be distracted.
C)a ladder may be moved.
D)the soil may collapse.
5.
When entering a deep excavation, what fall protection equipment must be worn?
A)tool belt
B)lifeline
C)work boots
D)work gloves
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