Excavation Numbers
What is the minimum number of feet a spoil pile needs to be placed away from a trench edge?
A man-made cut, cavity, trench, or depression formed by earth removal?
Excavation
Employer
One
What does a worker in a trench need to wear to be protected from falling debris?
Hard Hat
How many feet must a ladder be extending out from the top of the trench/ground surface?
3
A technique that employs a specific angle of incline on the sides of the excavation.
Sloping
Is a person who is capable of identifying existing and predictable (blank) in the surroundings.
hazards
Type soil with a compressive strength of 1.5 tons or more per square foot.
Type A
What must be installed outside of a trench to protect workers in a trench from traffic?
barricade
What is the maximum distance in feet a worker may travel to reach a means of egress?
25
Excavating sides of an excavation to form one or a series of horizontal levels or steps?
Benching
Is responsible for (blank) analysis and classification
soil
Type material where you do not need a protective system
Stable Rock
Who examines damaged personal protective equipment (shoring or shielding) to see if is suitable for continued use?
Competent Person
What is the minimum trench depth (in feet) where a stairway, ladder, or ramp must be present for worker access/egress?
4
A structure that supports the sides of an excavation and protects against cave-ins? Examples are Timber and Hydraulic.
Shoring
Must be knowledgeable in the use of (blank) systems.
protective
Type soil that is classified as a gravel, sand, or loamy sand
Type C
What must to be provided on walkways across a trench which are 6 feet or more above lower levels of a trench?
guardrails
At what minimum to maximum range (two numbers in feet) must a protective system be used before engineering approval is required below the maximum range?
5 to 20
A structure able to withstand a cave-in and protect employees. Designed to protect workers from the pressure and weight of soil in the event of a cave-in.
Shield
Must know the requirements of the (blank)
Type soil that can be sloped at 45 degrees (1:1 ratio, horizontal to vertical)
Type B
Who designs or approves a protection system if the excavation is 20 feet or more deep?
Professional Engineer