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March 26 , 1999 <br /> Beneto Inc . <br /> 10830 S. Harlan Road <br /> Septic System Criteria <br /> 1 . Two — 1600 gallon tanks . Connection of the two tanks to be <br /> watertight . Use molded A LOK connector . <br /> 2 . Use Zabel high water alarm. <br /> 3 . Use Barnes Se 411 pump with 2" force main to leach field . <br /> This pressurized effluent is to be dosed equally throughout <br /> each filter bed . <br /> 4 . Leach field depth to have maximum cover of 12 inches and a <br /> minimum of 6 inches. <br /> 5 . Grass in leach field area and leachfield area to be <br /> barricaded so that it cannot be parked or driven over <br /> (ORD/EHD 05 ) . <br /> 6 . Proposed monitoring protocol to include augering below <br /> leach field after two years to analyze efflient in vadose <br /> zone for nitrate content . <br /> 7 . Use Orenco Systems distributing valve to switch between <br /> filter beds each time pump cycles . Set pump for 50 gallons <br /> per cycle. <br /> 8. Use filter cloth over filter beds. <br /> 9 . Hard pan must be breached in filter bed . Compaction of the <br /> subgrade underlying the drain rock must be avoided . No <br /> equipment may be used within the filter bed drainfield . <br /> Summary of Valley Ag Reserach design prepared by Roger Fox of <br /> D.A. Parrish & Sons — Contractor . <br />