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<br />48 <br /> <br />7080.0172 ALTERNATIVE SYSTEMS <br /> <br />71 <br /> <br />.. <br /> <br />. <br /> <br />Subp. 2. Privies. <br />A Pit privies shall not be installed where the bottom of the pit is less <br />than three feet above saturated soil or bedrock. A vault privy shall be used <br />in areas not meeting the three'-foot separation. The vault of a vault privy <br />shall be constructed in the same manner as a sewage tank under part <br />7080.0130, subparts 1 and 4. <br />B. Privies shall be set back from surface waters, buildings, property <br />lines, and water supply wells as required under part 7080.0170, subpart 1, <br />item F, Table IV. <br />e. Pits or vaults shall have sufficient capacity for the dwelling they <br />serve, but shall have at least 25 cubic feet of capacity. <br />D. The sides of the pit shall be curbed to prevent cave-in. <br />E. The privy shall be constructed so as to be easily maintained and <br />insect proof. The door and seat shall be self-closing. All exterior openings, <br />including vent openings, shall be screened. <br />F. Privies shall be adequately vented. <br />G. When the privy is filled to within one foot of the top of the pit, the <br />solids shall be removed. Abandoned pits shall have the solids removed <br />and be filled with clean earth and slightly mounded to allow for settling. <br />Removed solids shall be disposed of according to part 7080.0175, subpart 6. <br />) Subp. 3. Holding tanks. <br />A Holding tanks for new construction are prohibited unless approved <br />by the permitting authority, with a monitoring and disposal contract . <br />signed by the owner and a licensed pumper. The contract must guarantee <br />the removal of the tank contents prior to overflow or any discharge. <br />B. A holding tank shall comply with the requirements of part <br />7080.0130, subparts 1 and 4. <br />e. A cleanout pipe of at least four inches diameter shall extend to the <br />ground surface and be provided with seals to prevent odor emissions and <br />exclude insects and vermin. A maintenance hole of at least 20 inches in <br />least dimension shall extend through the cover to a point within 12 inches, <br />but no closer than six inches, below finished grade. If the maintenance hole <br />is covered with less than six inches of soil, the cover must be secured to <br />prevent unauthorized access. <br />D. For a dwelling, the minimum size shall be 1,000 gallons or 400 <br />gallons times the number of bedrooms, whichever is greater. For other <br />establishments, the minimum capacity shall be at least five times the <br />average design flow. Tank sizing for floodplain areas shall be calculated in <br />accordance with subpart 1, item G. <br />E. Holding tanks shall be located in an area readily accessible to the <br />pump truck under all weather conditions as specified for septic tanks in <br />part 7080.0170, subpart 1, item F, Table IV; and where accidental spillage <br />during pumping will not create a nuisance. <br />F. The owner shall maintain a contract for disposal and treatment of <br />the septage with a pumper, municipality, agency, or firm established for <br /> <br />Subpart 1. Genera <br />components must be m <br />manufacturerrequirem <br />Subp. 2. Frequenc: <br />sewage treatment syste <br />case less frequently thaJ <br />A assess whether 1 <br />depth and whether sew <br />leak through visual evi{ <br />B. measure or reme <br />grease and other floatin <br />compartment along wit <br />water. <br />Subp. 3. Removal t <br />A Septage shall be <br />compartments in which <br />below the bottom of the <br />layer is less than three i.J: <br />B. Removal of accu: <br />the maintenance hole. <br />e. If no maintenane <br />owner's agent shall inst< <br />accordance with part 70: <br />maintenance to take pIal <br />owner's agent refuses to <br />the licensed pumper mu <br />owner's agent that the 0 <br />procedures and the reaSI <br />Subp. 4. Toilet was <br />shall operate a toilet waE <br />manufacturer's requiren <br />toilet waste treatment dE <br />not be to surface waters, <br />to the environment or pl <br />under local ordinance. F <br />septage disposal must ill <br /> <br />that purpose. <br />G. Holding tanks 1 <br />accidental sewage over <br />Mechanical or electrica <br />at 75 percent capacity. <br />STAT AUTH:MSE <br /> <br />7080.0175 MAINTI <br />