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<br />AUG-13-93 FRI 9:20 <br /> <br />MAIER STEWART ASSOC, <br /> <br />FAX NO, 7740838 <br /> <br />p, 03/03 <br /> <br />e Mr. Steve Ach <br />August 13, 1993 <br />Page Two <br /> <br />2. DRAINAGE <br /> <br />. <br /> <br />There is a drainage ditch immediately west of this property which provides <br />drainage for the area south of 6th Street. This drainage is somewhat critical in <br />that if it does not operate properly, the yard of Elk River Machine becomes <br />flooded. We would recommend that concrete curb be placed along the west side <br />of the proposed parking stalls on this west property line. In addition, we <br />recommend that a catch basin rather than a curb cut be provided to collect storm <br />drainage from this site. A small diameter pipe at a relatively flat grade could then <br />be used to deposit the drainage into the ditch to minimize any potential erosion. <br />We also recommend that the developers of the site be required to clean the ditch <br />along their west property line and westerly from the southwest comer of their <br />property over to the catcb basins that exist in the ditch. This will allow for good <br />access of the drainage generated by the paving of this site over to the existing <br />catch basins which drain the area. <br /> <br />e <br /> <br />The cleaning of the ditch would only entail establishing a bottom grade and would <br />not involve removing vegetation along the side slopes which could open up <br />additional areas for erosion. Our visual inspection of the ditch indicated that there <br />appeared to be some sand deposits that have washed in. The removal of these <br />would help in the efficient flow of drainage through this area. <br /> <br />If you have any questions regarding these comments, please call. <br /> <br />Sincerely, <br /> <br />MAIER STEWART & ASSOCIATES, INC. <br /> <br /> <br />TJM:tp <br /> <br />193-1302.aul <br /> <br />It <br />