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1 <br />J <br />,1 <br />{{� Mr. James Alt <br />May 19, 1988 <br />J Page Three <br />I <br />I <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 />170 gallons of effluent to the mound. An additional mercury float <br />switch should be installed on a separate circuit to an alarm device <br />to warn of pump failure. The mercury switches should be rigged to <br />allow 675 gallons reserve capacity :n the pumping chamber. All <br />electrical connections should be watertight. <br />The two septic tanks should have at least 1,000 gallons capacity <br />each. The pumping chamber should have at least 1,000 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 />j system is not exceeded. <br />1 It is highly recommende2 that the installer of this septic system <br />1 holds an Individual Sewage Treatment Systems Certificate for <br />installation issued by zhe Minnesota Pollution Control Agency. <br />The sole purpose of soils data costa'-ned herein is evaluation of <br />soil suitability for on-site absorc=ion cf septic tank effluent at <br />the test site. Although soil text_re and horizonation information <br />and groundwater elevation data may 'e 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 ether purposes. <br />If you have any questions about infcrzaticn contained in this <br />report, please feel free to contact me. <br />Sincerely, <br />HAKANSON ANDERSON ASSOCIATES, INC. <br />, < �_/" . (. nom« I <br />Gary J. hbun, Soil Scientist <br />/ckl <br />Enclosures <br />i <br />File: 1788.01 <br />r7 <br />