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� _ __� <br /> The soils at a depth of 30" & 36" have a percolation rate averaging 27.3 mpi. <br /> All neighboring welis are located greater than 100' away from the proposed treatment <br /> area. <br /> Keep all heavy equipment off of the proposed treatment area before and after <br /> construction. The treatment area should be marked off before construction. This <br /> Design is not valid 8�the system will need to be relocated if failure to protect the areas <br /> proposed for On-Site Sewage Treatment occurs. <br /> Nothing other than gray water (laundry, showers, etc.) should be disposed of into the <br /> septic tanks. Garbage disposals are not recommended, due to adding more solids & <br /> fine solids passing through to the system. Excessive amounts of soaps, cleaning agents <br /> 8� chlorine agents may kill the bacteria needed to treat septic effluent. Additives are not <br /> recommended. Recommend to pump & clean your tanks through the manhole by a <br /> certified pumper every 2 years. Check with your pumper to set up a schedule. <br /> To assure long term survival of the system, a Class 1, Multi-Flo Aerobic Wastewater <br /> Treatment System will be added to the existing system. The highly treated, filtered <br /> etfluent produced by the Multi-Flo is over 95% free of the normal sewage contaminants <br /> that cause the progressive failure of conventional systems. The unit will be a 0.75, 750 <br /> gal/day. A trash trap is installed in front of the Multi-Flo. The unit requires to be <br /> serviced 2 times a year which will be done by Schirmers Wastewater Treatment <br /> Systems, Inc. A 2 year service & parts warranty comes with the purchase of the unit. <br /> After that time, the homeowner is required to carry a Service Contract at $100.00 a year <br /> (1997 price). A report is sent to the homeowner, city, MPCA & Multi-Flo yearly. <br /> The existing tanks will be abandoned, pumped and filled with soil. A new 500 gallon <br /> trash trap will be installed. The flow line at the inlet of the 1 st existing tank is at <br /> elevation 949.4. The top of the pumping chamber is at elevation 949.2. The inlet flow <br /> line is at elevation 948.4. The Multi-Flo inlet flow line is at elevation 948.9. The existing <br /> pumping chamber will need to be repaired if not water tight. <br /> 2 <br />