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<br />... <br /> <br />~to <br /> <br />.aut *'3 <br /> <br />1111 Hakanson <br />.1- 0 Anderson <br />Assoc.,lnc. <br /> <br />Engineers, Surveyors &. <br />Landscape Architects <br /> <br />May 3, 1988 <br /> <br />Mr. Gerald Zimmerman <br />Ramsey Planning & Zoning commission <br />city of Ramsey <br />15153 Nowthen Boulevard N.W. <br />Ramsey, MN 55303 <br /> <br />Re: Impacts of Extending utilities to Outlot B, <br />Rum Acres Estates <br /> <br />Dear Mr. Zimmerman: <br /> <br />As requested at your April 12, 1988 Planning and Zoning Commission <br />meeting, we have reviewed the impacts of extending utilities to <br />Outlot B, Rum Acres Estates. <br /> <br />In review of the ground water elevations in the area, the elevation <br />of ground water along Roanoke street was approximately 852.0 in <br />1987 and the elevation of the ground water along Waco street in <br />River's Bend was approximately 854.0 in 1984. Since outlot B lies <br />between these areas and the Anoka Soils Survey indicates the area <br />is composed of granular soils with a permeability of 6-20 in/hour, <br />we would conclude that the ground water at Outlot Bwould be at the <br />same approximate elevation. <br /> <br />The proposed sewer and water extensions would commence at 149th <br />Avenue and Waco Street. The existing invert of the sanitary sewer <br />at 149th and Waco Street is at approximately elevation 872 and <br />would increase as it is extended north to Outlot B. The proposed <br />watermain would be installed seven and one-half feet below the <br />proposed streets in Outlot B which vary from elevation 885 to <br />elevation 897. Since the estimated watertable elevation of 854 is <br />18 feet below the proposed utilities, there will be no need for <br />dewatering. Therefore, the installation of utilities will not <br />impact the surrounding well and ground water levels. <br /> <br />222 Monroe Street <br />Anoka. Minnesota 55303 <br /> <br />EugeneJ.Hakanson,P.~ <br />James M. Winter. LS. <br />Lawrence G. Koshak, p.~ <br />Peter R. Raa <br /> <br />612 427-5860 <br />