DESIGNATED REPRESENTATIVE OSSF COMPLETE
QUESTIONS AND CORRECT VERIFIED ANSWERS(DETAILED
ANSWERS)|ALREADY GRADED A+
Absorptive Drainfield (Standard) - CORRECT ANSWERS-Conventional gravel (or porous media)
filled subsurface leach field. Used in suitable soil.
Evapotranspiration (ET) Drainfields (Standard) - CORRECT ANSWERS-Can be lined or unlined.
Used where annual evaporation significantly exceeds rainfall (west Texas). Dispose of wastewater as a
vapor.
Pumped Effluent Drainfields (Standard) - CORRECT ANSWERS-Simplified and standardized
low-pressure dosed systems. May be installed by installer 1
30 TAC Chapter 285 - CORRECT ANSWERS-This chapter establishes minimum standards for
planning materials, construction, installation, alteration, repair, extension, operation, maintenance,
permitting, and inspection of OSSFs. This chapter also provides the procedures for the designation of
local governmental entities as authorized agents.
3 years, 24 hours - CORRECT ANSWERS-OSSF licenses are issued for a term of ____ years and
require ____ hours for renewal
Daily - CORRECT ANSWERS-How often must an installer check an apprentice's work?
Ten Acre Rule - CORRECT ANSWERS-An OSSF for a single-family residence on a 10 acre lot or
more with disposal lines at least 100ft from property line are not required to apply for a permit for a new
construction.
Permit Processing Steps - CORRECT ANSWERS-1) Site Evaluation w/ written report
2) Selection of OSSF based on Site Evaluation
3) System planned
4) Permit application and planning materials submitted
,5) Application reviewed and approved or denied within 30 days
6) Authorization to Construct ATC issued and valid for 1 year
7) Construction
8) Inspection covering all parts of system. If failed, 7 days to send letter of deficiencies
9) License to Operate LTO issued
OSSF permit application should include: - CORRECT ANSWERS-- Site Evaluation
- Legal description of property
- Affidavits as required
- Maintenance contract
- Design Calculations
- Equipment/Material Specifications
- Scale drawing showing all features effecting operation of disposal system
- Criminal Penalties
- Injunction or civil suit
- Administrative Penalties - CORRECT ANSWERS-Legal Penalties for violating OSSF rules
Criminal Penalties - CORRECT ANSWERS-Initiated in court through district or county attorney
by either authorized agent or TCEQ. Often misdemeanors.
Injunction or Civil Suit - CORRECT ANSWERS-Can only be initiated by TCEQ through Attorney
General. Local government may request TCEQ to initiate enforcement or pursue civil action. TCEQ may
choose not to.
Administrative Penalites - CORRECT ANSWERS-May be assessed by TCEQ against a person in
violation of the rules, regulations, or OSSF permit. May request enforcement from Attorney General.
Installers can plan - CORRECT ANSWERS-Standard, conventional, gravel-filled standard
drainfields, lined and unlined ET beds, gravelless pipe, leaching chambers
, Requires a Professional Designer - CORRECT ANSWERS-Surface application, low-pressure
dosing, mounds, non standard systems. All systems in Edwards Aquifer recharge zone. Al multi-unit
developments. All systems in floodways. All systems with variance. Small lots with less than 1/2 acre on
public water or 1 acre without public water. Multiple systems on large tract
Risers on any kind of tank in an OSSF must: - CORRECT ANSWERS-- have inside diameter
equal to or larger than clean-out
- be permanently fastened with watertight connection to tank lid
- have removable watertight caps protected against unauthorized access
6" to 12" - CORRECT ANSWERS-Clean-out ports must have risers that extend to the surface
except for septic tanks, where clean-out port or riser can be from __________ below surface.
A padlock
A cover that requires tools for removal
A cover with a minimum net weight of 65lbs set into recess of the tank lid - CORRECT
ANSWERS-Acceptable protective measures to prevent unauthorized access
greater than 5 feet - CORRECT ANSWERS-depth at which an excavation must be sloped,
shored, or otherwise supported
Angle of repose - CORRECT ANSWERS-The angle closest to the perpendicular at which the soil
will remain at rest
Waterborne diseases caused by pathogens - CORRECT ANSWERS-Typhoid, Paratyphoid,
Cryptosporosis, Bacillary Dysentery, Cholera, Amoebic Dysentery, Giardiasis, Hepatitis, Polio, Meningitis
Inorganics that appear to affect health - CORRECT ANSWERS-Arsenic, cadmium, cyanide,
fluoride, lead, mercury, nitrate, and selenium
QUESTIONS AND CORRECT VERIFIED ANSWERS(DETAILED
ANSWERS)|ALREADY GRADED A+
Absorptive Drainfield (Standard) - CORRECT ANSWERS-Conventional gravel (or porous media)
filled subsurface leach field. Used in suitable soil.
Evapotranspiration (ET) Drainfields (Standard) - CORRECT ANSWERS-Can be lined or unlined.
Used where annual evaporation significantly exceeds rainfall (west Texas). Dispose of wastewater as a
vapor.
Pumped Effluent Drainfields (Standard) - CORRECT ANSWERS-Simplified and standardized
low-pressure dosed systems. May be installed by installer 1
30 TAC Chapter 285 - CORRECT ANSWERS-This chapter establishes minimum standards for
planning materials, construction, installation, alteration, repair, extension, operation, maintenance,
permitting, and inspection of OSSFs. This chapter also provides the procedures for the designation of
local governmental entities as authorized agents.
3 years, 24 hours - CORRECT ANSWERS-OSSF licenses are issued for a term of ____ years and
require ____ hours for renewal
Daily - CORRECT ANSWERS-How often must an installer check an apprentice's work?
Ten Acre Rule - CORRECT ANSWERS-An OSSF for a single-family residence on a 10 acre lot or
more with disposal lines at least 100ft from property line are not required to apply for a permit for a new
construction.
Permit Processing Steps - CORRECT ANSWERS-1) Site Evaluation w/ written report
2) Selection of OSSF based on Site Evaluation
3) System planned
4) Permit application and planning materials submitted
,5) Application reviewed and approved or denied within 30 days
6) Authorization to Construct ATC issued and valid for 1 year
7) Construction
8) Inspection covering all parts of system. If failed, 7 days to send letter of deficiencies
9) License to Operate LTO issued
OSSF permit application should include: - CORRECT ANSWERS-- Site Evaluation
- Legal description of property
- Affidavits as required
- Maintenance contract
- Design Calculations
- Equipment/Material Specifications
- Scale drawing showing all features effecting operation of disposal system
- Criminal Penalties
- Injunction or civil suit
- Administrative Penalties - CORRECT ANSWERS-Legal Penalties for violating OSSF rules
Criminal Penalties - CORRECT ANSWERS-Initiated in court through district or county attorney
by either authorized agent or TCEQ. Often misdemeanors.
Injunction or Civil Suit - CORRECT ANSWERS-Can only be initiated by TCEQ through Attorney
General. Local government may request TCEQ to initiate enforcement or pursue civil action. TCEQ may
choose not to.
Administrative Penalites - CORRECT ANSWERS-May be assessed by TCEQ against a person in
violation of the rules, regulations, or OSSF permit. May request enforcement from Attorney General.
Installers can plan - CORRECT ANSWERS-Standard, conventional, gravel-filled standard
drainfields, lined and unlined ET beds, gravelless pipe, leaching chambers
, Requires a Professional Designer - CORRECT ANSWERS-Surface application, low-pressure
dosing, mounds, non standard systems. All systems in Edwards Aquifer recharge zone. Al multi-unit
developments. All systems in floodways. All systems with variance. Small lots with less than 1/2 acre on
public water or 1 acre without public water. Multiple systems on large tract
Risers on any kind of tank in an OSSF must: - CORRECT ANSWERS-- have inside diameter
equal to or larger than clean-out
- be permanently fastened with watertight connection to tank lid
- have removable watertight caps protected against unauthorized access
6" to 12" - CORRECT ANSWERS-Clean-out ports must have risers that extend to the surface
except for septic tanks, where clean-out port or riser can be from __________ below surface.
A padlock
A cover that requires tools for removal
A cover with a minimum net weight of 65lbs set into recess of the tank lid - CORRECT
ANSWERS-Acceptable protective measures to prevent unauthorized access
greater than 5 feet - CORRECT ANSWERS-depth at which an excavation must be sloped,
shored, or otherwise supported
Angle of repose - CORRECT ANSWERS-The angle closest to the perpendicular at which the soil
will remain at rest
Waterborne diseases caused by pathogens - CORRECT ANSWERS-Typhoid, Paratyphoid,
Cryptosporosis, Bacillary Dysentery, Cholera, Amoebic Dysentery, Giardiasis, Hepatitis, Polio, Meningitis
Inorganics that appear to affect health - CORRECT ANSWERS-Arsenic, cadmium, cyanide,
fluoride, lead, mercury, nitrate, and selenium
