Georgia Commercial Contractor Septic Exam Study Guide
2025/2026 Actual Complete Real ExamQuestions with 100%
Correct Answers | Verified Answers | Graded A+ / 2025
Latest Update!!
How far into the liquid depth of the septic tank shall T's
extend? - ANSWER-
Minimum of 25% and Maximum
of 50%.
How much lower must the invert of the Outlet Tee be compared
to the invert of
the Inlet Tee? - ANSWER-2
Inches
True or False. Outlet Tees must be effluent filter? - ANSWER-
True - Effluent filter is required and must be designed to handle
both the daily flow volume and wastewater characteristics.
How many compartments must a Septic Tank have? - ANSWER-
2
,What is the length to width ratio required for septic tanks? -
ANSWER-Length
must be 1.5 times the
width.
Where shall tank partitions be located inside the tank? -
ANSWER-At least
2/3rds but not more than 3/4ths of the length of the tank from
the inlet end.
What is the maximum liquid depth for a larger poured in
place tank? -
ANSWER-66
Inches
What are the requirements for the pass through hole or slot in
the partition of the septic tank? - ANSWER-Shall be equal or
greater than the diameter of the inlet pipe and be positioned a
minimum of 25% to a maximum of 25% of the total liquid depth.
Minimum 28 day comprehensive strength of poured in place or
pre-cast cement
tanks? - ANSWER-4000 pounds per
square inch.
, What load must a tank lid be able to withstand? - ANSWER-A
uniform live load of 150lbs per square foot in addition to all
loads to which an underground tank is normally subjected.
When would additional reinforcement be required for loads on
concrete tanks? - ANSWER-When subject to vehicular traffic or
when top of tank is placed more than 3 ft below finished grade.
What is the minimum thickness of poured in place septic tanks?
Walls, Bottom,
and lids? -
ANSWER-4"
What are the minimum and maximum access opening
tank lid sizes? -
ANSWER-Minimum 15",
Maximum 24"
What is the maximum depth below the ground surface access
openings may be
located? - ANSWER-12
Inches
When is a "Dosing" tank required? - ANSWER-For systems
with 500 or more
2025/2026 Actual Complete Real ExamQuestions with 100%
Correct Answers | Verified Answers | Graded A+ / 2025
Latest Update!!
How far into the liquid depth of the septic tank shall T's
extend? - ANSWER-
Minimum of 25% and Maximum
of 50%.
How much lower must the invert of the Outlet Tee be compared
to the invert of
the Inlet Tee? - ANSWER-2
Inches
True or False. Outlet Tees must be effluent filter? - ANSWER-
True - Effluent filter is required and must be designed to handle
both the daily flow volume and wastewater characteristics.
How many compartments must a Septic Tank have? - ANSWER-
2
,What is the length to width ratio required for septic tanks? -
ANSWER-Length
must be 1.5 times the
width.
Where shall tank partitions be located inside the tank? -
ANSWER-At least
2/3rds but not more than 3/4ths of the length of the tank from
the inlet end.
What is the maximum liquid depth for a larger poured in
place tank? -
ANSWER-66
Inches
What are the requirements for the pass through hole or slot in
the partition of the septic tank? - ANSWER-Shall be equal or
greater than the diameter of the inlet pipe and be positioned a
minimum of 25% to a maximum of 25% of the total liquid depth.
Minimum 28 day comprehensive strength of poured in place or
pre-cast cement
tanks? - ANSWER-4000 pounds per
square inch.
, What load must a tank lid be able to withstand? - ANSWER-A
uniform live load of 150lbs per square foot in addition to all
loads to which an underground tank is normally subjected.
When would additional reinforcement be required for loads on
concrete tanks? - ANSWER-When subject to vehicular traffic or
when top of tank is placed more than 3 ft below finished grade.
What is the minimum thickness of poured in place septic tanks?
Walls, Bottom,
and lids? -
ANSWER-4"
What are the minimum and maximum access opening
tank lid sizes? -
ANSWER-Minimum 15",
Maximum 24"
What is the maximum depth below the ground surface access
openings may be
located? - ANSWER-12
Inches
When is a "Dosing" tank required? - ANSWER-For systems
with 500 or more
