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consulting <br />engineers <br />diversified <br />Inc. Eth) <br />October 15, 1980 <br />Main Office: P.O. Box J. Osseo, Minnesota 55369 (612) 425 -2181 <br />South Office: 8500 210th St. W.. Lakeville. Minnesota 55044 (612) 469-3881 <br />Mr. Lloyd Schnelle <br />City Administrator <br />City of Ramsey <br />15153 Nowthen Boulevard <br />Anoka, Minnesota 55303 <br />ill Re: Drainage Problem <br />Intersection of Olivine Street N.W. & <br />163rd Avenue N.W. <br />Dear Lloyd: <br />In response to your request for a solution to the above referenced drainage <br />problem, which we inspected yesterday, there appears to be two possible <br />alternatives. <br />The most reliable solution would be to install a culvert across 163rd Ave. N.W. <br />and lower the ditch two.to three feet drain the water to the north. Easements <br />would also have to be obtained to allow the water to drain to the low area lying <br />northeasterly of the intersection Olivine Street N.W. and 163rd Avenue N.W. With- <br />out doing a detailed feasibility study me would estimate that this alternative <br />could cost in excess of $5,000. <br />• A less costly alternative would be to install a dry well at the low point south <br />of 163rd Avenue N.W. This alternative would not be as reliable as the positive <br />outlet to the north. It would be subject tofreezing and would require periodic <br />maintenance. <br />If you have any further question in regard to the drainage problem, please let me <br />know. <br />Yours truly, <br />CONSULTING ENGINEERS DIVERSIFIED, INC. <br />Peter , p E�..G./ti`°— <br />PRR:jmj <br />File: RT9:11 -1 <br />civil • municipal • planning • environmental • land surveying • geotechnics • waste treatment <br />