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Examen

CWEA Grade 1 and 2 Collection Systems Maintenance Tests – Complete Study Guide with Practice Questions and Answers

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Comprehensive CWEA Collection Systems Maintenance Grade 1 and Grade 2 Test Prep Guide with verified practice questions and detailed answers. Covers all key topics including wastewater collection operations, safety procedures, hydraulics, system inspection, maintenance, and troubleshooting. Perfect for operators preparing for CWEA Collection Systems Certification Exams. Includes sample tests, answer explanations, and review notes designed to help you pass your Grade 1 or Grade 2 exam on the first attempt. Study smarter and confidently with this complete guide.

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They produce an explosion hazard
Why are gasoline and volatile
solvents objectionable when
present in a sewer?


You know what you are doing, are qualified and are
authorized
You should never attempt to
install, maintain, repair or
replace electrical equipment
panels, controls, wiring or
circuits unless


Advance Warning Area, Transition Area, Activity Area
What are the different areas of (buffer space and work space), Termination Area. Could be 4
traffic zones? or 5, justify your answer on the test!


why should hydrogen sulfide to protect from corrosion and odors
be controlled?

entry and rescue
Personnel entering a Permit
Required Confined Space
must have the following
training

look at the MSDS
To find protective gear before
application of a product, you
should:

Hydrogen Sulfide
The gas most commonly
associated with septic
wastewater is

some dangerous gasses are odorless (for example, carbon
monoxide)
The lack of an unpleasant
odor in a manhole, lift station
or other structures does not
always mean that dangerous
gases are not present because:

, combustible gas, adequate oxygen, heat and proper mixing of
What are the four conditions gas and oxygen
necessary to create an
explosion?

It moves traffic out of its normal path
what does the "transition
area" mean in traffic control?


Rerouting traffic around the work site, positioning of law
what elements should be enforcement officers in the temporary traffic control zone,
considered to improve worker and work zone training
safety in High speed
Temporary Traffic control
Zones?


Traffic Control Plan, By-Pass connections, and Spill
What key features would you containment
need to address when
developing an S.O.P. for a Lift
Station failure?

Spring Blades
What tools are used with a
power rodder?

porcupine, root saw, square bar cork screw
Tools used for sewer rodding
include:

Chain Pipe Cutter
What tool would you use to
cut VCP pipe?

Hydrogen sulfide, explosive/flammable gases, oxygen
Which conditions should a
gas detection device test for?


What does "LEL" mean on a Lower Explosive Limit
gas detection meter?

19.5 percent
The oxygen level alarm
normally goes off if oxygen
levels are below:

, The L.O.T.O Program

When developing an S.O.P.
for scheduled maintenance of
electrical equipment, what
program should be addressed
as a primary safety guideline?



What does L.O.T.O. Stand Lock out tag out
for?

M.S.D.S.

What document would you
require to be referenced when
developing an S.O.p. for
hazardous substace spill clean
up?


Placement of the blower and a weather forecast
in developing an S.O.P. for air
monitoring in a Permit
Required Confined Space you
would include what two
factors?


SSMP (Sewer System Management Plan)

According to the State Water
Resources Control Board
Order No. 2006-003-DWQ,
each enrollee must develop
and implement a system-
specific:



How long do you have to 2 hours
report a category 1 SSO?

Información del documento

Subido en
11 de noviembre de 2025
Número de páginas
17
Escrito en
2025/2026
Tipo
Examen
Contiene
Preguntas y respuestas
$14.99

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