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septic Final exam Questions
4 - ✔ ✔ Bedrock or groundwater must be at least ______ feet below the bottom of the drain field trench 1000 - ✔ ✔ For 1-3 bedrooms, the minimum size of septic tank is _______ gallons. Depth of the backfill material shall be a minimum of 12 inches and a maximum of 24 inches - ✔ ✔ True Failure to obtain a sewer permit can result in the revocation or denial of a certified installers license - ✔ ✔ True Changes in drain field design, after issuing a permit, must be approved by the county environmental health department - ✔ ✔ True Grey water( laundry water) need not to be connected to the septic tank - ✔ ✔ False Holding tanks are an acceptable alternative to an on-site wastewater treatment system - ✔ ✔ False
24 - ✔ ✔ certified installers shall notify the county environmental health department ______ hoirs prior to completion of any installation 10 - ✔ ✔ Septic tanks shall have a minimum of _____ feet of schedule 40 PVC pipe entering and exiting the tank 10 - ✔ ✔ A drain field must be laid at least ____ feet horizontally from any existing or proposed water line 1/4 - ✔ ✔ The sewer line between the dwelling and septic tank shall be placed at a minimum downward slope of ______ in/ft 5 - ✔ ✔ Absorption trenches shall be separated by a minimum of _______ ft as measured from distribution pipe to distribution pipe. Distribution Box - ✔ ✔ ___________ may be used in gravity systems of lieu of manifolds Backfilling - ✔ ✔ The property owner and/or person installing a sewage system must notify the county environmental health department for a final inspection prior to ________
First step for proper procedure for approval of septic system - ✔ ✔ Submittal of permit application and perc. test results Second step for proper procedure for approval of septic system - ✔ ✔ Permit issued by the Environmental Health Department Third step for proper procedure for approval of septic system - ✔ ✔ Septic system installation Fourth step for proper procedure for approval of septic system - ✔ ✔ Call for inspection 24 hours in advance Fifth step for proper procedure for approval of septic system - ✔ ✔ Inspection of system by Environmental Health Department Sixth step for proper procedure for approval of septic system - ✔ ✔ Submittal of installer report form within 10 working day to the department Permit - ✔ ✔ No person shall commence construction of any building which requires connection to a sewage system unless a valid _______ has been issued 50 - ✔ ✔ a septic tank must be at least _____ feet from any well, lake, stream, swampy area, active irrigation ditch or 100 year floodplain
5 - ✔ ✔ when using a distribution box, a minimum of ________ feet of solid PVC pipe shall be used to connect to the distribution box 100 - ✔ ✔ The absorption trenches must be at least ______ feet from any well, lake, stream, swampy area, active irrigation ditch, or 100 year floodplain 100 - ✔ ✔ The maximum length of a drain field trench is ________ feet 15 - ✔ ✔ Slopes in excess of _____% are not suitable for a conventional on- site waste water system 36 - ✔ ✔ The bottom of the absorption trenches must not be more than ________ inches below the natural ground surface 500 - ✔ ✔ If more than ______ lineal feet of drainage is needed, then pressure distribution must be provided Replacement - ✔ ✔ Any on-site wastewater system must have necessary area for the primary system as well as the necessary area for a __________. 10 - ✔ ✔ A septic tank must be at least ______ feet from any foundation wall
