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Mattke Engineering, Inc. <br /> 7671 Centrat Ave. N.E. • Fridley, MN 55432 •(612) 783-0300 <br /> December 12, 1997 . <br /> Memo to: Richard S. Carlson & Associates <br /> From: Tedd W. Mattke, P.E., Ph.D. <br /> Subject: Comparison of Cove design vs. Cui-de-sac design for <br /> Tourville Property <br /> v l i <br /> -- , <br /> l. Easier Plowing -- of street � <br /> 2. Larger Average Lot Size (16,798 SF vs. 15,694 SF) <br /> ('�zl-de-sac Desi�n--Advanta�es � <br /> 1. Increased Safety -- min. radius for 30 mph is 215 feet I <br /> 2. Increased Safety -- 281ots are on cul-de-sacs where children I <br /> are safer from traffic. <br /> 3. Increased Safety -- shorter, more direct route for Eagle Pass <br /> residents (on their way to the middle school or high school) <br /> 4. Cul-de-sac Lots -- only 161ots front on through-street (vs. I <br /> 42 in Cove Design) � <br /> 5. Less driveway cost for residents (construction and maintenance) ! <br /> 6. Less driveway snow removal cost for residents (average driveway � <br /> 14 feet shorter, no 90-foot-long driveways) <br /> 7. Less expense for installation and maintenance of services (water, <br /> sewer, electric, cable, phone) <br /> 8. Promotes neighborhood identity and neighbor interaction. <br /> • Residentiai & Gommercial Development <br /> Hydrology • Water Resources • Municipal <br />