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GERALD M. SUNDE, Consulting Engineer <br />10524 ZION AVENUE SOUTH • MINNEAPOLIS, MN 55437 • PHONE (612) 881-3344 <br />February 12, 1981 <br />�f Cf3171981 <br />REGION VI <br />Ms. Judy Davidson WATERS <br />Department of Natural Resources <br />Region 6 <br />1200 Warner Road <br />St. Paul, Minnesota 55106 <br />Dear Ms. Davidson: <br />Re: Oak Lake Park Addition <br />Moundsview, Minnesota <br />For your review the permit for the above project, enclosed <br />please find the following information: <br />1. Plan showing design of the pond outlet structure <br />and debris skimmer. Design of this structure is <br />being coordinated with the City's consulting <br />engineer. Design of reinforcing steel for the <br />concrete control structure is presently underway. <br />2. Calculations for the outlet structure showing rat- <br />ing of the facility and routing of a 24 hour 100 <br />year storm event through the pond and outlet struc- <br />ture. <br />3. Nutrient assimilation calculations as required by <br />the Rice Creek Watershed District. <br />If further information is required, please contact me. <br />Yours very truly, <br />Gerald M. Sunde <br />GMS/sl <br />cc: Dale Cremers <br />Steve Rose <br />