CWEA Collection Systems Maintenance Exam Test Questions and Answers
Rated A
Why are gasoline and volatile solvents objectionable when
They produce an explosion hazard
present in a sewer?
You should never attempt to install, maintain, repair or
You know what you are doing, are qualified and are au-
replace electrical equipment panels, controls, wiring or
thorized
circuits unless
Advance Warning Area, Transition Area, Activity Area
What are the ditterent areas of traflc zones? (butter space and work space), Termination Area. Could
be 4 or 5, justify your answer on the test!
why should hydrogen sulfide be controlled? to protect from corrosion and odors
Personnel entering a Permit Required Confined Space
entry and rescue
must have the following training
To find protective gear before application of a product,
look at the MSDS
you should:
The gas most commonly associated with septic waste-
Hydrogen Sulfide
water is
The lack of an unpleasant odor in a manhole, lift station
some dangerous gasses are odorless (for example, car-
or other structures does not always mean that dangerous
bon monoxide)
gases are not present because:
What are the four conditions necessary to create an ex- combustible gas, adequate oxygen, heat and proper mix-
plosion? ing of gas and oxygen
what does the "transition area" mean in traflc control? It moves traflc out of its normal path
Rerouting traflc around the work site, positioning of law
what elements should be considered to improve worker
enforcement oflcers in the temporary traflc control zone,
safety in High speed Temporary Traflc control Zones?
and work zone training
What key features would you need to address when de- Traflc Control Plan, By-Pass connections, and Spill con-
veloping an S.O.P. for a Lift Station failure? tainment
What tools are used with a power rodder? Spring Blades
, CWEA Collection Systems Maintenance Exam Test Questions and Answers
Rated A
Tools used for sewer rodding include: porcupine, root saw, square bar cork screw
What tool would you use to cut VCP pipe? Chain Pipe Cutter
Which conditions should a gas detection device test for? Hydrogen sulfide, explosive/flammable gases, oxygen
What does "LEL" mean on a gas detection meter? Lower Explosive Limit
The oxygen level alarm normally goes ott if oxygen levels
19.5 percent
are below:
When developing an S.O.P. for scheduled maintenance of
electrical equipment, what program should be addressed The L.O.T.O Program
as a primary safety guideline?
What does L.O.T.O. Stand for? Lock out tag out
What document would you require to be referenced when
developing an S.O.p. for hazardous substace spill clean M.S.D.S.
up?
in developing an S.O.P. for air monitoring in a Permit
Required Confined Space you would include what two Placement of the blower and a weather forecast
factors?
According to the State Water Resources Control Board
Order No. 2006-003-DWQ, each enrollee must develop SSMP (Sewer System Management Plan)
and implement a system-specific:
How long do you have to report a category 1 SSO? 2 hours
To report in the Statewide SSO Data-base California In-
tegrated Water Quality System (CIWQS) regarding the
Using the GPS coordinates
location of a Category 2 SSO, how must you report the
location?
Biological activity in long, sluggish-flow, flat grade sewer
odors
lines will likely cause:
Rated A
Why are gasoline and volatile solvents objectionable when
They produce an explosion hazard
present in a sewer?
You should never attempt to install, maintain, repair or
You know what you are doing, are qualified and are au-
replace electrical equipment panels, controls, wiring or
thorized
circuits unless
Advance Warning Area, Transition Area, Activity Area
What are the ditterent areas of traflc zones? (butter space and work space), Termination Area. Could
be 4 or 5, justify your answer on the test!
why should hydrogen sulfide be controlled? to protect from corrosion and odors
Personnel entering a Permit Required Confined Space
entry and rescue
must have the following training
To find protective gear before application of a product,
look at the MSDS
you should:
The gas most commonly associated with septic waste-
Hydrogen Sulfide
water is
The lack of an unpleasant odor in a manhole, lift station
some dangerous gasses are odorless (for example, car-
or other structures does not always mean that dangerous
bon monoxide)
gases are not present because:
What are the four conditions necessary to create an ex- combustible gas, adequate oxygen, heat and proper mix-
plosion? ing of gas and oxygen
what does the "transition area" mean in traflc control? It moves traflc out of its normal path
Rerouting traflc around the work site, positioning of law
what elements should be considered to improve worker
enforcement oflcers in the temporary traflc control zone,
safety in High speed Temporary Traflc control Zones?
and work zone training
What key features would you need to address when de- Traflc Control Plan, By-Pass connections, and Spill con-
veloping an S.O.P. for a Lift Station failure? tainment
What tools are used with a power rodder? Spring Blades
, CWEA Collection Systems Maintenance Exam Test Questions and Answers
Rated A
Tools used for sewer rodding include: porcupine, root saw, square bar cork screw
What tool would you use to cut VCP pipe? Chain Pipe Cutter
Which conditions should a gas detection device test for? Hydrogen sulfide, explosive/flammable gases, oxygen
What does "LEL" mean on a gas detection meter? Lower Explosive Limit
The oxygen level alarm normally goes ott if oxygen levels
19.5 percent
are below:
When developing an S.O.P. for scheduled maintenance of
electrical equipment, what program should be addressed The L.O.T.O Program
as a primary safety guideline?
What does L.O.T.O. Stand for? Lock out tag out
What document would you require to be referenced when
developing an S.O.p. for hazardous substace spill clean M.S.D.S.
up?
in developing an S.O.P. for air monitoring in a Permit
Required Confined Space you would include what two Placement of the blower and a weather forecast
factors?
According to the State Water Resources Control Board
Order No. 2006-003-DWQ, each enrollee must develop SSMP (Sewer System Management Plan)
and implement a system-specific:
How long do you have to report a category 1 SSO? 2 hours
To report in the Statewide SSO Data-base California In-
tegrated Water Quality System (CIWQS) regarding the
Using the GPS coordinates
location of a Category 2 SSO, how must you report the
location?
Biological activity in long, sluggish-flow, flat grade sewer
odors
lines will likely cause:
