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Hr. Ron Lauer <br />August 2, 1988 <br />Page Three <br />If as-built elevations are different from those above, headloss <br />should be recalculated to ensure proper pump selection. <br />The pump should be rigged with mercury float switches to dose about <br />150 gallons of effluent to the mound. An additional mercury float <br />switch should be installed on a separate c'.rcuit to an alarm device <br />to warn of pump failure. The mercury switches should he rigged to <br />allow 600 gallons reserve capacity in the pumping chamber. All <br />electrical connections should be watertight. <br />The two septic tanks should have at least 1000 gallons capacity <br />each. The pumping chamber should have at least 1250 gallons <br />capacity. ^ <br />It is recommended that a water meter be installed to monitor water <br />use. The meter should be hooked to the water system such that <br />exterior sillcocks are excluded. The water meter should be read <br />periodically to ensure that the design capacity of the septic <br />system is not exceeded. ^ <br />It is highly recommended that the installer of this septic system <br />holds an Individual Sewage Treatment Systems Certificate for <br />installation issued by the Minnesota Pollution Control Agency, <br />The sole pu^ose of soils data contained herein is evaluation of <br />soil suitability for on-site absorption of septic tank effluent at <br />the test site. Although soil texture and horizonation information <br />and groundwater elevation data may be helpful for the setting of <br />basement elevations at this site, we cannot warrant any such inter­ <br />pretations or use of this data for other purposes. <br />If you have any questions about information contained in this <br />report, please feel free to contact me. <br />Sincerely, <br />KAKANSON ANDERSON ASSOCIATES, INC. <br />Gary J.^athbun, <br />/ckl <br />Enclosures <br />File: 1828.01 <br />Soil Scientist