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just received <br />Tient of <br />)77. <br />• •u.ssion meeting <br />mission will <br />:iates <br />)n from this <br />I before the <br />ike his <br />n County Soils <br />ig one colored <br />iflicts with <br />n was informed <br />meeting. <br />with Jim Olson <br />to Soils report <br />ed. <br />d him ray contact <br />ing on him. <br />•• •• .r .. 1 •fern.ammamm <br />HC*QonAuUittif <br />2335 W, *tfmnk 36 <br />SI Pani, MiHH9ioia 55ff3 <br />PUomms 636-3600 <br />Otto C. Bonestroo» P,E. <br />Robert W. Rosene» P,E. <br />Joseph C. Andertik, P.E. <br />Bradford A, Lemberg, P,E. <br />Robert D, Frigaard, P.E, <br />Richard E. Turner, P.E. <br />James C. Olson, P.E. <br />November 14, 1977 <br />City of Orono <br />F.O. Box 66 <br />Crystal Bay, Minnesota 55323 <br />:1 <br />Lawrence F. Feldsien, P.E. <br />Glenn R. Cook, P.E. <br />Keith A. Gordon, P.E. <br />Thomas E. Soyes, P.E. <br />Richard IV. Foster, P.E, <br />Robert G. Schunicht, P.E. <br />Marvin L. Sorvala, PX. <br />Donald C. Burgardt, P.E. <br />Kenneth R. Meister, P.E. <br />Charles A. Erickson <br />Leo M. Pawelsky <br />Harlan M. Olson <br />Attn: Mr. Henry F. Muhich, <br />Zoning Administrator <br />Re : Preliminary Plat Review <br />Orono Oak <br />Dear Mr. Muhich: <br />At your request, we have made a review of the preliminary plat of Orono Oaks. <br />Included below are our comments on the proposed plat. <br />The proposed plat is approximately 45 acres in size and is located in the <br />northerly part of the City and adjacent to the City of Long Lake. The pro­ <br />posed plat is bounded by the Burlington Northern Railroad, the Luce Line <br />Trail, Orono Orchard Road and the City of Long Lake. The area is heavily <br />wooded except for a small portion on the west and contains several low, <br />marshy areas. <br />It is understood that the zoning requirements include a 2 acre minimum lot <br />size and that sanitary sewer service is not contemplated for the proposed <br />plat. Therefore, the ability to provide adequate soil absorption sewer sys­ <br />tems for each lot is critical to the development of the plat and a major <br />criteria. <br />The Hennepin County Soil and Water Conservation District has prepared a pre­ <br />liminary soils evaluation report of the proposed plat at the City's request <br />and a copy of that report has been furnished for our review. A detailed soils <br />map for the proposed plat was presented with the report and a copy of that map <br />is included in this report. The following comments relative to soil types has <br />been taken from the Hennepin County Soil and VJater Conservation District Report. <br />Peaty Muck (Pa) - The water table in these organic soils is above or <br />near the surface the entire year. These soils are unsuitable for the in­ <br />stallation of any soil absorption system. The peaty muck soils are shown <br />in green on the enclosed map. <br />Glenco (Gc) and Hamel (Ha) - Has the highest water table during the <br />year either at or within 1 foot of the surface. This water table may per­ <br />sist for several months.during the year. Installation of any subsurface soil <br />Page 1. <br />fJity of Or <br />P.O. Box 6 <br />Crystal Ba <br />Attn: Mr. <br />Re: Pre <br />Oro <br />absorption <br />separation <br />tables. Hi <br />face for tl <br />absorption <br />are shown : <br />Dunda <br />table in t <br />1 and 3 fe <br />any soil a <br />cross-hatc <br />Erin ( <br />in percolat <br />is recommen <br />Mound svste <br />soils with <br />cross-hatch <br />are shown a <br />Based on th< <br />of the propi <br />and major ai <br />absorption j <br />^ plan has <br />Normal res <br />approximat <br />18% slopes <br />developmen <br />on slopes <br />When both t <br />plat, there <br />and septic <br />not be appr <br />acceptable <br />It roust be <br />evaluation, <br />tive to gro <br />formation p