CWEA COLLECTIONS GRADE 1 EXAM
QUESTIONS AND ANSWERS 2026
VERIFIED.
Sanitary Sewer Overflow (SO) - ANS To accurately estimate the volume of a sanitary sewer
overflow, you must have Spill Start Time, Spill End Time, and Spill Rate.
Sanitary Sewer System Management Plan - ANS The goal of a sanitary sewer system is to
provide a plan and schedule to properly manage, operate, and maintain all parts of the system.
Basic Elements of a Safety Program - ANS The basic elements include accident investigation,
injury frequency rates, and safety policy statement.
Easement Considerations - ANS When obtaining an easement for construction and
maintenance of a collection system, access for equipment and personnel must be considered.
Immediate Response to Board or Council - ANS If you do not know all the answers, you
should respond with the information available and update them with more.
Managing Substandard Performance - ANS Discuss the problem with the substandard
foreman and offer to help before any other action is taken.
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, Pipe Material Selection - ANS In selecting pipe material for maximum service life, the life
expectancy of the pipe is the most important factor.
Flow Capacity of a Sewer Line - ANS The flow capacity of a sewer line is affected by backfill
material, manhole spacing, and pipe size.
Grade Conflict Solution - ANS When a grade conflict exists between a water main and a sewer
main, the best solution is to drop the sewer service under the water main and let it work like a
siphon.
Challenges in Wastewater Collection Replacement - ANS The replacement of wastewater
collection systems in some downtown streets is difficult due to crowding of other underground
utilities.
Rescue Service Practice Conditions - ANS Each member of the rescue service must practice
permit space rescues at least once a year in a simulated situation or by the satisfactory
performance of an actual rescue.
Camera Wedge Problem - ANS If the camera becomes wedged during a video inspection, the
first step in solving the problem is to dig up the area where the camera is wedged.
As Built Drawings - ANS Construction drawings issued to the contractor, corrected
construction drawings showing changes made in the field installation, detailed drawings of
proposed construction, and sectional maps on file.
Category 1 Sanitary Sewer Overflows Reporting - ANS Legally Responsible Officials are
required to report within 30 days, before the end of the day, as soon as possible, or within 2 hrs.
@COPYRIGHT ALL RIGHTS RESERVED PAGE 2 OF 12
QUESTIONS AND ANSWERS 2026
VERIFIED.
Sanitary Sewer Overflow (SO) - ANS To accurately estimate the volume of a sanitary sewer
overflow, you must have Spill Start Time, Spill End Time, and Spill Rate.
Sanitary Sewer System Management Plan - ANS The goal of a sanitary sewer system is to
provide a plan and schedule to properly manage, operate, and maintain all parts of the system.
Basic Elements of a Safety Program - ANS The basic elements include accident investigation,
injury frequency rates, and safety policy statement.
Easement Considerations - ANS When obtaining an easement for construction and
maintenance of a collection system, access for equipment and personnel must be considered.
Immediate Response to Board or Council - ANS If you do not know all the answers, you
should respond with the information available and update them with more.
Managing Substandard Performance - ANS Discuss the problem with the substandard
foreman and offer to help before any other action is taken.
@COPYRIGHT ALL RIGHTS RESERVED PAGE 1 OF 12
, Pipe Material Selection - ANS In selecting pipe material for maximum service life, the life
expectancy of the pipe is the most important factor.
Flow Capacity of a Sewer Line - ANS The flow capacity of a sewer line is affected by backfill
material, manhole spacing, and pipe size.
Grade Conflict Solution - ANS When a grade conflict exists between a water main and a sewer
main, the best solution is to drop the sewer service under the water main and let it work like a
siphon.
Challenges in Wastewater Collection Replacement - ANS The replacement of wastewater
collection systems in some downtown streets is difficult due to crowding of other underground
utilities.
Rescue Service Practice Conditions - ANS Each member of the rescue service must practice
permit space rescues at least once a year in a simulated situation or by the satisfactory
performance of an actual rescue.
Camera Wedge Problem - ANS If the camera becomes wedged during a video inspection, the
first step in solving the problem is to dig up the area where the camera is wedged.
As Built Drawings - ANS Construction drawings issued to the contractor, corrected
construction drawings showing changes made in the field installation, detailed drawings of
proposed construction, and sectional maps on file.
Category 1 Sanitary Sewer Overflows Reporting - ANS Legally Responsible Officials are
required to report within 30 days, before the end of the day, as soon as possible, or within 2 hrs.
@COPYRIGHT ALL RIGHTS RESERVED PAGE 2 OF 12
