Agenda - Parks and Recreation Commission - 10/12/1989

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Hakanson Anderson Assoc., Inc. Engineers, Surveyors & Landscape Architects September 26, 1989 Mr. Gerald Zimmerman, Chairman Ramsey Planning & Zoning Commission city of Ramsey 15153 Nowthen Blvd. N.W. Ramsey, MN 55303 Re: Sketch Plan Review of Trott Brook Ridge Dear Mr. Zimmerman: We have reviewed the above referenced sketch plan which is located in the'R-IR Residential rural service area of the City. Following is a list of comments resulting from our view of this sketch plan: The proposed plat consists of approximately 81 acres with 12 lots of at least 2.5 acres. All of the lots will meet the minimum width requirement for road frontage. The plat proposes five lots on the north 41 acres with access from 168th Lane and Bison Street N.W. Bison Street N.W. north of this plat is an unimproved street thus traffic flow can be expected'to be predominately on 168th Lane. Access to the south seven lots will be off of Alpaca Street and 166th Ave. Traffic flow for the south half of the plat is expected to be fairly evenly distributed on 166th and Alpaca. Soils on the north end of the plat are predominantly Nymore with over 25% of each lot having Class I soil with the possible exception of Lot 2, Block 2. On the south side, Nymore sands again predominate but with steeper slopes. Placement of drain fields on these lots will have to be monitored carefully since slopes are near (and in some cases exceed) 18%. Nymore sands (NyD) greater than 12% slopes are classified as Class V soils. In preparation of the preliminary plat, the development should ascertain that each lot have adequate Class I soil. ZZZ Monroe Street Anoka, Minnesota 55303 61Z/427-5860 Fax 612/427-3401 Eugene J. Hakanson, RE. James M. Winter, LS. Lawrence G. Koshak, Peter I~ Raatikka,