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<br />#~.. <br />. <br /> <br />August 21, 1997 <br /> <br />James H. Parker <br />Advance Surveying and Engineering Co. <br />5300 Highway 101 <br />Minnetonka, MN 55345 <br /> <br />RE: RUNOFF CALCULATIONS-LAKERIDGE HEALTH CARE PARKING LOT <br />EXPANSION <br /> <br />Dear Mr. Parker: <br /> <br />I received your runoff calculations for the Lakeridge Health Care facility dated August 6, 1997. <br />My understanding is that the runoff calculations are for a plan that is currently being revised to <br />satisfY neighborhood concerns. <br /> <br />Please be aware that the City has the following requirements for the final design: <br /> <br />1. The existing runoff rate from the site for a 10-year storm must not change under post- <br />development conditions. <br /> <br />2. The site must be designed in such a manner that it will be capable of storing the runoff <br />produced in a 100-year storm event. The calculations you submitted for the current site <br />plan show the same rainfall intensity for both the 10-year and 100-year storm events. <br />Please be certain to use the correct intensity for the 100-year storm event for future <br />calculations. <br /> <br />If you have any questions or would like to discuss this matter further, please contact me at 490- <br />2221. <br /> <br />Sincerely, <br /> <br />a~ <br />177 7 <br />Jay Kennedy <br />Assistant Public Works Director <br /> <br />JK:cy <br /> <br />cc: Kim Lee, City Planner <br />