Questions and Answers
Why are gasoline and volatile solvents objectionable when present in a sewer?
They produce an explosion hazard
You should never attempt to install, troubleshoot, maintain, repair, or replace electrical
equipment unless:
You know what you are doing, are qualified, and are authorized.
How many different areas of traffic zones are there when working in roadways?
Five
Why should hydrogen sulfide be controlled?
To protect sewers and structures from corrosion
Personnel entering a Permit Required Confined Space must have the following training:
Entry and rescue procedures
To find proper protective gear before application of a product, you would:
Look at the MSDS (Material Safety Data Sheet)
, The gas most commonly associated with septic wastewater is:
Hydrogen Sulfide (H2S)
The lack of an unpleasant odor in a structure does not always mean that dangerous gases are
not present because:
Some dangerous gases have no odor
What four conditions are necessary to create an explosion?
Combustible gas, adequate oxygen, sufficient heat, and proper mixing of gas and oxygen.
What does "transition area" mean in traffic control?
Moves traffic out of its normal path
The term "transition area" is one component of a:
Traffic Control Zone
What elements should be considered to improve worker safety in High Speed Temporary Traffic
Control Zones?
Rerouting traffic around the work site, positioning of law enforcement officers in the temporary
traffic control zone, and work zone training.
What key factors would you need to address when developing an S.O.P. for Lift Station failure?