OSSF INSTALLER 2 License Exam
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What should be included in an evaluation of a lot for design and installation of a
septic tank system ? - CORRECT ANSWER-lot Size
Soil and Geolgic
Setbacks
Flood hazards
Give a brief description of the three textural classes of soil suitable for a standard
absorptive drainfield according to Texas OSSF rules - CORRECT ANSWER-Class b
= Description Sandy
Class 2 -Description Course loamy Class 3 -Description fine loamy and Sandy Clay
Most OSSFs use the soil to and t wastewater - CORRECT
ANSWER-absorb and treat
,The most permeable of the above textural class would be - CORRECT ANSWER-
2b
, Mottled soil , particularly with bright and gray variations , is often indicative of
soil . - CORRECT ANSWER-Seasonally
A very common reason for soil absorption system failures is inadequate -
CORRECT ANSWER-lot Size
When systems fail in urban or suburban areas , there is a serious threat of the
spread of - CORRECT ANSWER-Water born disease
Lots served by individual wells should be a minimum of acre in size for a
septic tank system - CORRECT ANSWER-one acre
Lots served by a public water supply should be a minimum of acre in size
for installation of a septic tank system - CORRECT ANSWER-one - half
When minimum lot size cannot be met , an on site system must be designed by a
or a - CORRECT ANSWER-Pro engineer or a Pro Sanitarian
When evaluating a topography site and potential for are key
considerations - CORRECT ANSWER-Slope floodind
A major reason for wastewater system failure is
a homeowner waste
Questions and Correct Verified
Answers Already Graded A+ 100%
Guaranteed to Pass Concepts Latest
Versions 2025
What should be included in an evaluation of a lot for design and installation of a
septic tank system ? - CORRECT ANSWER-lot Size
Soil and Geolgic
Setbacks
Flood hazards
Give a brief description of the three textural classes of soil suitable for a standard
absorptive drainfield according to Texas OSSF rules - CORRECT ANSWER-Class b
= Description Sandy
Class 2 -Description Course loamy Class 3 -Description fine loamy and Sandy Clay
Most OSSFs use the soil to and t wastewater - CORRECT
ANSWER-absorb and treat
,The most permeable of the above textural class would be - CORRECT ANSWER-
2b
, Mottled soil , particularly with bright and gray variations , is often indicative of
soil . - CORRECT ANSWER-Seasonally
A very common reason for soil absorption system failures is inadequate -
CORRECT ANSWER-lot Size
When systems fail in urban or suburban areas , there is a serious threat of the
spread of - CORRECT ANSWER-Water born disease
Lots served by individual wells should be a minimum of acre in size for a
septic tank system - CORRECT ANSWER-one acre
Lots served by a public water supply should be a minimum of acre in size
for installation of a septic tank system - CORRECT ANSWER-one - half
When minimum lot size cannot be met , an on site system must be designed by a
or a - CORRECT ANSWER-Pro engineer or a Pro Sanitarian
When evaluating a topography site and potential for are key
considerations - CORRECT ANSWER-Slope floodind
A major reason for wastewater system failure is
a homeowner waste
