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, , � <br /> , , <br /> � <br /> i�.� l 1 / ���1'i I S�.� �'9�i.�t l �l 1',♦r'�1r� :.. <br /> � 525 Co. Rd.92 <br /> Maple Plain, MN 55359 <br /> � 612-868-5138 <br /> � Fax: 952-938-6183 <br /> ' Brian Sorensen@comcast.net <br /> ,� — <br /> December 14,2014 <br /> i <br /> Ed Lagerstrom <br /> 2248 Shadywood Rd. <br /> Orono,MN 55391 <br /> Ed, <br /> This letter is in reference to the 100 sq.ft.of hardcover that was instailed with a permeable paver <br /> system. The subbase with 2"clear rock is 6"deep with a 4" layer of�'a"clear rock above the <br /> subbase. There is a layer of 3/8"clear aggregate below the 2 3/8"thick pavers. <br /> This allows waterto flowthrough the pavers into the subbase and into the soil subgrade. <br /> I have enclosed a typical system diagram as well. Let me know if you need further information for <br /> the City of Orono. <br /> Sincerely, <br /> Brian Sorensen <br /> Paul Sorensen Construction,Inc. <br /> � <br /> I <br /> , � <br />