Excavations 1
The minimum distance spoil piles must be away from the excavation
2 feet
What is the greatest exposure for death for workers in an excavation or trenching project?
Cave Ins
What is the definition of a trench?
A cut in the earth that is deeper than it is wide
At what height is fall protection required in construction?
6 feet
Competent Person
When must you inspect an excavation?
Prior to each shift, and if there have been any changes or weather.
excavations greater than 20 feet in depth must have what?
Work plans designed by a registered professional engineer
Before you dig, what number must you call?
811
if you are working with class C soil, at what angle must it be sloped?
1.5/1
In an excavation, the ladder must extend how far out of the excavation?
3 feet
In a trench that is 10 feet (ft) deep and 80 ft long, at least how many safe exit points (e.g., ladder, stairway, or ramp) must be installed in the trench?
How far must each ladder or scaffold be away from any powerline?
10 feet
What type of soil can you not use benching as a protective system
Class C Soil
Who must determine the classification of the soil being worked on?
The Competent Person
In the state of Indiana, what is the most common soil you will run into?
Class C
A top rail of a guardrail system must be at what height?
42 inches +/- 3 inches
You must have means of access/egress every ____ feet of a trench
25
1:1 ratio
When is atmospheric testing of a trench required?
When an oxygen deficiency or a hazardous atmosphere is present or could reasonably be expected
What are the "fatal 4" hazards defined by OSHA?
Electrocution, struck by, caught between, falls