1
For Expert help and assignment solutions, +254707240657
Commercial Septic System Installer Exam
Questions and Answers (100% Correct
Answers) Already Graded A+
All tanks must have: [ Ans: ] 2 compartments
All tanks whether pre-manufactured or constructed on site shall
be constructed so that the length is ___________ compared to the
width. [ Ans: ] at least one and one- half (1 1/2) times... "to the
© 2025 Assignment Expert
width."
Septic Tanks may be made of: [ Ans: ] Concrete, Plastic,
fiberglass, or other materials as approved by the department.
Guru01 - Stuvia
Tank compartment partitions will be located: [ Ans: ] Not less
than two-thirds or more than three-fourths the Length of the tank
from the Inlet end.
Compartment partitions will be constructed so a pass-thru hole or
slot equal to or greater than the diameter of the inlet pipe is
positioned below the liquid surface with a
_____________________________. [ Ans: ] Minimum 25% to a
maximum of 50% of the total liquid depth.
Total liquid depth for larger poured-in-place tanks shall have a
maximum of ______________inches [ Ans: ] 66 inches
True or False: Walls and bottom of poured-in-place septic tanks
must be reinforced. [ Ans: ] True
How can a Septic tank be reinforced? [ Ans: ] six inch by 6 inch
(6"x6") No.10 gage welded steel reinforcing wire OR fibrous
reinforcing material conforming to ASTM specifications for such
materials.
How must Tank Lids be Reinforced? [ Ans: ] using three-eights
steel reinforcing rods (rebar) which shall be spaced twelve inches
(12") on center each way extending a minimum of two and one
, 2
For Expert help and assignment solutions, +254707240657
half (2 1/2") inches and a maximum of three (3") from the outside
edge of the tank lid.
In general, the tank must be able to withstand a uniform live load
of ______________________ pounds per square foot in addition to all
loads to which an underground tank is normally subjected. [ Ans:
] 150
True or False: Walls, bottoms, and lids of poured-in-place septic
tanks should have a minimum thickness of four inches (4"). [ Ans: ]
True
Tank lids shall be constructed in ______________________ pieces and
shall have securable, removable access openings located so that
© 2025 Assignment Expert
the inlet and outlet tees can be ________________________________.
[ Ans: ] one or two,
readily accessed.
Guru01 - Stuvia
Access opening shall have a minimum of _________________ and
maximum of ___________________ free space. [ Ans: ] Minimum:
15"
Maximum: 24"
Tanks with more than 12 inches of cover must extend access
openings to within ______ inches of the ground surface. [ Ans: ]
12
All tanks shall be equipped with ________________________________
rated or equivalent tees at the inlet and outlet ends of the tank. [
Ans: ] Four inch (4") PVC, ASTM 3034
Tees shall be constructed so they extend into the liquid a minimum
of ____________________ and a maximum of __________________ of
the liquid depth of the tank. [ Ans: ] Min: 25%
Max: 50%
The invert of the outlet tee shall be located _______________ inches
below the invert of the inlet tee. [ Ans: ] two inches
__________________ tees shall be equipped with an approved
effluent filter. [ Ans: ] Outlet
For Expert help and assignment solutions, +254707240657
Commercial Septic System Installer Exam
Questions and Answers (100% Correct
Answers) Already Graded A+
All tanks must have: [ Ans: ] 2 compartments
All tanks whether pre-manufactured or constructed on site shall
be constructed so that the length is ___________ compared to the
width. [ Ans: ] at least one and one- half (1 1/2) times... "to the
© 2025 Assignment Expert
width."
Septic Tanks may be made of: [ Ans: ] Concrete, Plastic,
fiberglass, or other materials as approved by the department.
Guru01 - Stuvia
Tank compartment partitions will be located: [ Ans: ] Not less
than two-thirds or more than three-fourths the Length of the tank
from the Inlet end.
Compartment partitions will be constructed so a pass-thru hole or
slot equal to or greater than the diameter of the inlet pipe is
positioned below the liquid surface with a
_____________________________. [ Ans: ] Minimum 25% to a
maximum of 50% of the total liquid depth.
Total liquid depth for larger poured-in-place tanks shall have a
maximum of ______________inches [ Ans: ] 66 inches
True or False: Walls and bottom of poured-in-place septic tanks
must be reinforced. [ Ans: ] True
How can a Septic tank be reinforced? [ Ans: ] six inch by 6 inch
(6"x6") No.10 gage welded steel reinforcing wire OR fibrous
reinforcing material conforming to ASTM specifications for such
materials.
How must Tank Lids be Reinforced? [ Ans: ] using three-eights
steel reinforcing rods (rebar) which shall be spaced twelve inches
(12") on center each way extending a minimum of two and one
, 2
For Expert help and assignment solutions, +254707240657
half (2 1/2") inches and a maximum of three (3") from the outside
edge of the tank lid.
In general, the tank must be able to withstand a uniform live load
of ______________________ pounds per square foot in addition to all
loads to which an underground tank is normally subjected. [ Ans:
] 150
True or False: Walls, bottoms, and lids of poured-in-place septic
tanks should have a minimum thickness of four inches (4"). [ Ans: ]
True
Tank lids shall be constructed in ______________________ pieces and
shall have securable, removable access openings located so that
© 2025 Assignment Expert
the inlet and outlet tees can be ________________________________.
[ Ans: ] one or two,
readily accessed.
Guru01 - Stuvia
Access opening shall have a minimum of _________________ and
maximum of ___________________ free space. [ Ans: ] Minimum:
15"
Maximum: 24"
Tanks with more than 12 inches of cover must extend access
openings to within ______ inches of the ground surface. [ Ans: ]
12
All tanks shall be equipped with ________________________________
rated or equivalent tees at the inlet and outlet ends of the tank. [
Ans: ] Four inch (4") PVC, ASTM 3034
Tees shall be constructed so they extend into the liquid a minimum
of ____________________ and a maximum of __________________ of
the liquid depth of the tank. [ Ans: ] Min: 25%
Max: 50%
The invert of the outlet tee shall be located _______________ inches
below the invert of the inlet tee. [ Ans: ] two inches
__________________ tees shall be equipped with an approved
effluent filter. [ Ans: ] Outlet
