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• <br /> Er-581 <br /> 3535 VADNAIS CENTER DRIVE,200 SEH CENTER,ST.PAUL,MN 55110 612 490-2000 800 325-2055 <br /> ARCHITECTURE • ENGINEERING • ENVIRONMENTAL • TRANSPORTATION <br /> May 23, 1996 RE: Mounds View, Minnesota <br /> Proposed Bel Rae Pond <br /> SEH No. A-MOUND9603.01 <br /> Mr. Mike Ulrich <br /> Director of Public Works <br /> City of Mounds View <br /> 2401 Highway 10 <br /> Mounds View, MN 55112-1499 <br /> Dear Mike: <br /> Based on our discussions after the meeting on Tuesday,May 14, 1996,we have prepared a summary <br /> of drainage history and proposed alternatives for the Bel-Rae site. Enclosed is a copy of a meeting <br /> summary prepared by Kelly Bettendorf on the wetland issues discussed with Rice Creek Watershed <br /> District (RCWD) and the Corps of Engineers (COE). <br /> In August 1976, a Comprehensive Drainage Plan was prepared for the City. The purpose of the <br /> report(copied from the text): <br /> Mounds View is typical of many suburban areas in Ramsey County where substantial growth has <br /> occurred, while only limited drainage facilities have been provided. Consequently,there have <br /> been many instances where properties have suffered flooding either by groundwater or surface <br /> water. The occurrences of flooding is most directly related to precipitation. During the spring <br /> of 1975, an extremely wet spring, severe flooding problems were encountered throughout much <br /> of the community. The residents affected by these flooding problems have approached the <br /> community leaders for assistance. Mounds View officials recognized surface water runoff and <br /> high ground water conditions as being the major causes of flooding problems. The Mounds <br /> View Council sought professionals capable of providing them with a plan to reduce, eliminated <br /> or control flooding problems. <br /> The purpose if this report is to provide an ultimate Comprehensive Drainage Plan for the City <br /> of Mounds View, Minnesota. <br /> In the report, it was concluded that the existing drainage system downstream of the Bel-Rae site was <br /> undersized for a 3-year storm event. The standard for storm sewer design was and still is a 5-year <br /> or 10-year event. Using this criteria,the entire downstream system would need to be rebuild or water <br /> rerouted to provide protection for a 5-year or 10-year event. <br /> • <br /> SHORT ELLIOTT <br /> HENDRICKSON INC. MINNEAPOLIS,MN ST.CLOUD,MN CHIPPEWA FALLS,WI MADISON,WI LAKE COUNTY,IN <br /> EQUAL OPPORTUNITY EMPLOYER <br />