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I <br /> ! <br /> I <br />I <br /> I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />! <br />I <br />I <br />! <br />I <br />I <br />I <br /> <br />§ 8.~0 <br /> <br /> Subd. ~_ Final treatument and disposal-standard system. <br />treatment and disposal of all sewage tsnk effluent shall be by means <br />treatment and ~sposal. <br /> <br />4. The quantity of effluent delivered for each pump cycle shall <br /> be no greater than 25% of one day's sewage flow. <br />5. An alarm device shall be installed to warn of pump failure. <br />6. A siphon will not be Mlowed as a dosing device to deliver <br /> effluent to a pressure distribution system. <br />7. The dosing ch-tuber for a pressure distribution system shall <br /> either include a two p,~mp system or shall be sized to include <br /> a minim~m reserve capacity of 75% of the daily design flow. <br /> Final <br /> of soil <br /> <br />1. The required soil treatment area shall be determ/ned by <br /> number of bedrooms for dwellings and defirfition of "water <br /> usage" for other establishments. <br /> <br />2. The rnqnim~rn soil treatment area required for any dwelling <br /> shall provide for at least two bedrooms. <br /> <br />8. The rn~nimum soil treatment area required for multiple <br /> resident/al ~nits shall consist of the sum of the areas <br /> required for each ind/vidual un/t. <br /> <br /> Trench and bed size shall be at least as large as set forth in <br /> Table II. <br /> Table ]2 <br />ttequired Soil Treatment Area in Square Feet of Trench Bottom <br /> <br /> ~°ercolation <br /> rate in Per Gallon of Depth of Filter Material <br /> m;nutes per Sewage Flow per Below Distribution pipe <br /> inch day (c) <br /> <br />Faster 6" 12" 18" 24" <br />Than <br />0.1 (d) Special Soil Treatment l~equired. See Section <br />0.1 to 5 (e) 0.83 170 170 135 115 105 <br />6 to 15 1.27 2.55 255 205 170 155 <br />16 to 30 1.67 ~5 335 270 ~5 205 <br />31 to 45 2.00 400 400 320 ~ 240 <br />46 to 60 2.20 440 dd0 355 290 265 <br />61-120(e) <br /> <br />a) Table II is based on a sewage flow of 200 gallons per day <br /> per bedroom and shall be used as the basis for sizing <br /> household systems. <br /> <br />Printed 12/28/90 <br /> <br />Page 249 <br /> <br /> <br />