Laserfiche WebLink
1 <br />1 <br />1 <br />i <br />i <br />i <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 allowed as a dosing device to deliver <br />effluent to a pressure distribution system. <br />7. The dosing chamber for a pressure distribution system shall <br />either include a two pump system or shall be sized to include <br />a minimum reserve capacity of 75% of the daily design flow. <br />Subd. 6- Final treatment and disposal -standard system. Final <br />treatment and disposal of all L.ewage tank effluent shall be by means of soil <br />treatment and disposal. <br />a. <br />Printed 12/28/90 <br />w •: <br />1. The required soil treatment area shall be determined by <br />number of bedrooms for dwellings and definition of "water <br />usage" for other establishments. <br />2. The minimum soil treatment area required for any dwelling <br />shall provide for at least two bedrooms. <br />3. The minimum soil treatment area required for multiple <br />residential units shall consist of the sum of the areas <br />required for each individual unit. <br />4. Trench and bed size shall be at least as large as set forth in <br />Table II. <br />Table H <br />'Pn,,,;,.ea (Z^;I T,-Pa+mPnf. Area in Square Feet of Trench Bottom <br />Percolation <br />rate in <br />minutes per <br />inch <br />Per Gallon of <br />Sewage Flow per <br />day <br />Depth of Filter Material <br />Below Distribution pipe <br />(c) <br />Faster <br />Than <br />6" <br />12" <br />18" <br />24" <br />0.1 (d) <br />I Special Soil Treatment Re uired. See Section <br />0.1 to 5 (e) <br />0.83 <br />170 <br />170 <br />135 <br />115 <br />105 <br />6 to 15 <br />127 <br />255 <br />255 <br />205 <br />170 <br />155 <br />16 to 30 <br />1.67 <br />335 <br />335 <br />270 <br />225 <br />205 <br />31 to 45 <br />2.00 <br />400 <br />4W 1320 <br />265 <br />240 <br />46 to 60 <br />2.20 1 <br />440 <br />44a <br />355 <br />290 <br />265 <br />61-120(e) <br />-- <br />-- <br />-- <br />— <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 />Page 249 <br />Y <br />