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METRO CONSERVATION DISTRICTS <br /> A N O K A - C A R V E R - C H I S A G O - D A K O T A - H E N N E P I N - I S A N T I <br /> R A M S E Y - S C O T T - S H E R B U R N E - W A S H I N G T O N - W R I G H T <br /> LANDSCAPE RESTORATION PROGRAM <br /> October 08,2010 <br /> To: Luann and Michael Tolliver <br /> Cc: Ellen Sones,Hennepin Environmental Services <br /> Re: Recommendations for installation of Pexmeable Pavers and Raingarden <br /> 1098 Loma Linda Ave, Orono,MN 55364 <br /> Dear Luann and Michael, <br /> Thank you for j�our inteYest in reducing the storm�vater runoff from your propert���vith innovative <br /> storm�vater technologies. Based on our conversation of your interests and the site data I collected <br /> during my site visit I have developed a design plan for the�vestern edge of your propexty to include a <br /> permeable paving area and raingarden. <br /> Soil samples taken from your front yard sho�v a loamy sand consistenry to a depth of 4 feet. This <br /> soil type provides a significant infiltration capacity capable of exftltrating readily belo�v the paver base <br /> (percolating into subsoil/groundwater). This soil texture�vill also allo�v for effective infiltration <br /> �vithin the designed xaingarden. There are many permeable pavers options in terms of color,shape <br /> and surface texture for you to choose from that�vould provide equal capacity� for capturing and <br /> infiltrating storm�vater runoff. Locallj�available products include: Uni Ec•o-.rtone,Borgert Agua-B�ic; <br /> Anchor Hol/and Grand Pe��»reab/e and Willow Creek Brickstone pe��teable and Aqua-/oc per-meable. <br /> Installation of the permeable pavers and the adjacent raingarden�vill provide a net reduction in <br /> runoff from your property including all�vater pitched off the southern edge of you drive�vap and any <br /> �vater falling in the front yard of your pxoperty behveen the house and Linda Loma Ave. In addition <br /> �vater channeled off of the bituminous roadway on Linda Loma will be captured and infiltrated in the <br /> raingarden until the garden reaches it reaches its maxirrium ponding depth,at�vhich point street <br /> runoff�vill by-pass the garden and continue on its previous path along the street gutter. <br /> Please feel free to contact me�vith any questions. <br /> Thank j�ou, <br /> �!�, �� � <br /> Wade A Johnson <br /> Landscape Restoration Specialist <br /> Metro Conservation Districts <br /> 763-286-6985 <br /> �vade.�ohnsoti(�metrocd.org <br /> 1 318 MCKAY DRIVE NE• HAM LAKE,MN • 55304 <br /> PHONE:763-434-2030 • FAx:763-434-2094 <br /> 1 <br />