Cave-In
The dirt next to the excavation.
What is a Spoil Pile?
The depth in which safe access/exit is required in a trench?
What is 4ft?
This person must be onsite when excavation work is being done.
What is a Competent Person?
The number you call before you begin digging.
What is NC811?
OSHA stands for
What is Occupational Safety and Health Administration?
The spoil pile must be at least THIS far away from the excavation or trench.
What is 2 ft?
The height above the surface a ladder has to extend.
What is 3ft?
A crack in a surface or sidewall.
What is a fissure?
What RED flags or markings on the ground mean.
What is electrical power?
In NC, what is the size of the tolerance zone from the utility marking.
What is 24-inch circumference?
This must be in an excavation when the depth is at 5ft or more.
What is a protective system?
Another term for entrance and exit.
What is access and egress?
These two things must be done BEFORE every work day and as changes occur.
What are inspections and fill out forms.
Before digging what should be checked.
What is Active Response?
Trenches 4 feet or deeper located near gas lines, landfills, can expose workers to these hazards.
What are atmospheric hazards?
A trench box is set inside an excavation. The vertical gap between the bottom of the box and the trench floor cannot exceed this distance.
What is 2ft.
The most lateral distance of travel for means of egress.
What is 25 ft?
The amount a cubic yard of dirt weighs.
What is 2,700-3000 pounds.
Under NC Law, before beginning any digging project, you must notify the One-Call center and wait this many full working days for utilities to respond and mark underground lines.
What is 3 business days?
This OSHA standard covers excavation and trenching requirements in construction
What is OSHA 1926 Subpart P?
What is maximum depth of an excavation before you have to get a P.E. to design and approve protective system.
What is 20ft?
The number of ladders you need in a trench that is 100 ft long, 4ft deep, with 4 workers evenly spaced out.
What is 3?
What type C soil is made up of.
What is granular soils: gravel, sand, or sandy loom?
The ticket called in, if utility markings are not performed?
What is a 3-hour ticket?
Tables and charts approved by a P.E. and used to design protective systems.
What is Tabulated Data.