Confined Space Safety
The minimum oxygen level for a confined space atmosphere to be considered safe.
What is 19.5%?
This manual contains the national standards and guidelines for flagger control
What is the MUTCD?
(Manual on Uniform Traffic Control Devices)
Trenches at this depth require shoring, sloping, or benching.
What is 5 foot?
ECC prescribed drivers training is this many hours in length.
What is 4 hours?
According to OSHA, this is the leading cause of construction fatalities.
What is falls?
The three titles of the qualified personnel working in or around a confined space job site.
What are the "Attendant", "Entrant", & "Supervisor"?
This device is never allowed on interstates as a means of traffic control.
What is a Stop Sign?
The depth at which a ladder is required in a trench within 25’ of the entrant.
What is 4 foot?
In 2025, this risky behavior resulted in a leading cause of driving related accidents.
What is exposed left turns?
This OSHA form is required to be posted in all office buildings from Feb 1st to Apr 30 of each year.
What is an OSHA 300A.
(Work Related Injury or Illness Notice)
The two types of confined spaces?
The area that is designated between the taper and the work-zone in a traffic control set up.
What is the Buffer Zone?
While windowing utilities, this distance variance is allowed before an all stop is required. (in feet)
What is 3 feet?
This type of truck ECC has begun purchasing comes available with 15 built in safety driving features.
What is the Ford Maverick
OSHA was formed in this year as an organization tasked with protecting the workforce from unsafe and hazardous work conditions.
What is 1971?
This is the preferred confined space rescue method.
What is a non-entry rescue.
ex: Tri-Pod Rescue System
The MUTCD requires this many cones at minimum in a flagger's taper zone.
What is 6 cones?
OSHA allows this type of soil to be sloped at the steepest angle allowable.
What is Type A soil.
The Central Division experienced this number of preventable vehicular incidents in 2025.
What is 12 incidents?
Telecommunication standards fall into this code of federal regulation number.
What is CFR 1910.268?
ECC never allows entry into this type of confined space.
What is a Permit Required confined space?
A flagger certification card is good for this many years.
What is 4 years?
This type of soil is primarily made up of sandy and is considered “unstable”.
What is Type C soil?
ECC collectively drove this number of miles in 2025.
(Round to the nearest million)
What is 26 Million Miles.
The minimum approach distance (MAD) for lines energized over 37 kV, but not over 87.5 kV.
What is 42 inches?