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CO vi• <br /> NFW <br /> BRIGH'lfN <br /> the C111 Ma( ttOI'kS for tou <br /> interoffice <br /> MEMORANDUM <br /> to: Janice Gundlach, City Planner <br /> from: Craig Schlichting, Civil Engineer II <br /> subject: Hypro <br /> date: November 8, 2011 <br /> The Engineering Department has reviewed the site plan for the proposed outside storage <br /> amendments at Hypro and we offer the following comments; <br /> The adjacent property has experienced stormwater related issues for both summer rainfall <br /> events as well as snowmelt occurring during freeze thaw cycles. Many of the comments <br /> below are designed to improve the on-site drainage and to avoid causing future stormwater <br /> related problems. <br /> Streets-Parking Lot <br /> 1. Drainage from the outside storage area flows through the existing parking lot to <br /> discharge points labeled 1 and 2 on the enclosed drawing. The existing ground <br /> surrounding areas 1 and 2 shall be re-graded and riprap added to facilitate water <br /> entering area 3. <br /> 2. Hypro shall work with the City on re-grading area 3 to prevent this area from <br /> overflowing onto adjacent properties (specifically to the east, EZ Mini storage). <br /> 3. Hypro shall create a defined outlet from area 3 to the swale located in area 4. <br />