Soil Types
Natural solid mineral that can be excavated and be stable on the sides.
What is stable rock?
This PPE covers two things that cannot be replaced.
What are safety glasses?
When the sides of the trench resemble stairs.
What is banking?
You do this if it starts to rain.
What is evacuate the trench?
This includes cohesive soils with an unconfined compressive strength of 1.5 tons per square foot or higher?
What is Type A Soil?
Without these, clearing an excacation with a shovel can lead to blisters.
What are gloves?
What is sloped?
When you notice an exposed electrical conduit, you do this.
What is stop work and call an electrician?
This consists of cohesive soils with an unconfined compressive strength greater than 0.5 tsf (48 kPa) but less than 1.5 tsf (144 kPa)
What is Type B soil?
These protects your feet from falling rocks.
What are safety-toe boots?
When you're in a big metal box.
What is working in a trench box?
When you notice the soil type change.
What is call the competent person to re-evaluate the trench?
This includes granular soils such as gravel, sand and loamy sand.
What is Type C Soil?
What is a high-visibility vest?
Where you will find plywood walls.
What is working in Type C Soil?
When you need to leave the trench that is over four foot deep, use this.
What is a ladder?
This includes layered Geological Strata.
What is multi-type soil?
If you're working on the side of an excavation over 4', you'll be wearing one of these.
What is a fall-arrest harness?
If it's full of water, it's this type of trench.
What is an unsafe trench?
When you suspect the air may be contaminated, use this.
What is use an air monitor?