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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 Ivlichael Tollier <br /> Cc: Ellen Sones,Hennepin Environmental Services <br /> Re: Recommcndations for installauon of Permeable Pavcrs and Raingarden <br /> 1098 Loma Linda Ave. <br /> Orono,MN 55364 <br /> Dear Luann and Michael, <br /> Thank you for your interest in reducing the storm�vater runoff from your property�vith innovadve <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 propert}�to include a <br /> permeable paving area and raingarden. <br /> Soil samples taken from 3�our front yard sho�v a loam}�sand consistency to a depth of 4 feet. This <br /> soil rype provides a significant infiltration capacity capable of exfiltrating readily below the paver base <br /> (percolating into subsoil /groundwater). This soIl texture will also allow for effective infiltration <br /> within the designed raingarden. There are many permeable pavers options in terms of color,shape <br /> and surface texture for you to choose fxom that�vould provide equal capacity for capturing and <br /> infiltrating stortmvater runoff. Locally available products include: Uni Eco-.rto�re,Borgert Agua-B�ic, <br /> Anchor Holland Grand Permenble and Willow Creek Brickstone pe�meable and Agua-loc permeable. <br /> Installarion of the permeable pavers and the adjacent raingarden will provide a net reduction in <br /> runoff from}�our property including all water pitched off the southern edge oE you drivewa��and any <br /> �vater falling in the front}�ard of your property between 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 maximum ponding depth,at�vhich point street <br /> runoff will 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 you, <br /> Wadc A Johnson <br /> Landscape Restoration Specialist <br /> Metro Conservation Districts <br /> 763-286-G985 <br /> ���ade.iuhnson�cri�neu�ocd.or�; <br /> 1318 MCKAY DRivE NE• HAM LAKE,MN • 55304 <br /> PHONE:763-434-2030 • FAX:763-434-2094 <br /> 1 <br />