Video on Demand
Learning Management System
Custom Video Production
VOD Demo Video
VOD End User Demo
LMS Demo Video
LMS End User Demo
LMS Instructions PDF
Safety Source QR Code
Sexual Harassment Course Tutorial
OSHA 10 Course Demo
Trenching and Shoring: Excavation Safety SSC003E (13 Min.)
to take the exam.
Trench cave-ins are predictable and preventable.
A person buried under only a couple of feet of soil can experience enough pressure to cause suffocation.
Training and understanding the trenching and shoring regulations are keys to working safely in trenches.
A trench refers to a narrow excavation made below the surface of the ground where the width is greater than the depth.
It is not necessary for the competent person to conduct an inspection after every rain storm or other weather event.
Trench cave-in fatalities are caused by __________.
lack of trench protection
all of the above
If a trench is more than _____ feet in depth, there must be a protective system in place while workers are in the excavation.
A competent person must classify the soil by using ________ test.
one visual and one conputerized
one visual and one manual
Soil is heavy. A cubic foot generally weighs as much as _____ pounds or more.
It is not permissible to use backhoes, breakers, digging bars or other metal tools to locate or work around utilities.