Show:
General Trench Reporting For Duty
Can I Get Your Digits?
I Pitty the Foo..who doesn't protect themselves!
Sometimes Life Can Be A Real Ditch!
Who are you
100
Surcharge loads must be kept how far away from trench edges?
2 feet
100
What is the depth that of a trench that requires employees to be protected from a cave ins?
5 feet and >
100
This system involves cutting back a trench wall at an angle inclined away from the excavation?
What is sloping
100
This person authorizes when the excavation is safe for entry
Who is the competent person
100
This organization requires that trenches be inspected daily and as conditions change?
What is OSHA
200
A trench is defined as being deeper than it is what?
Wide
200
The depth that OSHA requires safe access and egress be provided is?
4'
200
Trench boxes or other types of supports designed to protect a worker..but not prevent a cave in are part of this protective system group?
Shielding
200

The simple slope requirement for a general excavation in type "C" soil,  20' or less in depth is?

What is 1 1/2:1 - 1 1/2ft horizontal for every 1 ft vertical

200
This is the person who is ultimately responsible for my safety
Who is me
300
Trenches can be up to how many feet wide?
15 feet
300
The distance that access and egress devices must be located within for all workers?
25 feet
300
This type of protective system requires installing aluminum hydraulic or other types of supports to prevent soil movement?
What is Shoring
300
These are not designed to prevent cave-ins, but to protect employees in the event of a cave-in
What is a trench box
300

This company must be called at least 3 days prior to any digging to let them know you could be working near underground utility lines?

What is Miss Utility?

400
These pose the greatest risk and are more likely to result in a worker fatality in regards to an excavation accident?
Cave ins
400
What is the distance you must keep material or equipment from the edge of excavations to protect employees?
2 feet
400
One of the major factors that must be considered when designing a protective system is the make up of what?
What are soils
400
Soil classifications are made on the basis of at least these two test
What is 1 visual and 1 manual
400
When digging, you find a run of yellow plastic marker tape. What does this mean?
That there is a buried service and further excavation must be carried out with care
500
Trenches how many feet deep in loose soils, requires a protective system?
5 feet
500
What is the depth of a ditch that requires a protection system to be designed by a registered professional engineer?
> 20 feet
500

Three things you should potntially test for before entering a trench with contaminated soils,  and periodically while working within a trench are?

What are oxygen, flammability and toxic gases

500

The simple bench requirements for a trench must be in this soil

What is type "B" soil

500
What is the pile of soil removed from an excavation called?
What is a spoil