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<br />. <br /> <br />. <br /> <br />. <br /> <br />RFCflVElJ AUG 03 <br /> <br />1992 <br />_ / f ~ ~ ~ _~ J CONS~lTING ENGINEERS <br /> <br />."".,,_ Maier Stewart & Associates Inc. <br /> <br />July 30, 1992 <br />File No: 230-000-00 <br /> <br />Mr. Pat Klaers <br />Administrator <br />City of Elk River <br />720 Dodge Avenue N.W. <br />Elk River, MN 55330 <br /> <br />RE: BRINDAMOUR DRAINAGE ISSUE <br /> <br />Dear Mr. Klaers: <br /> <br />As directed by the City Council at their July 20, 1992 meeting, we have reviewed the drainage <br />concern raised by Mr. Brindamour. Mr. Brindamour lives at 11915 Highland Road. Mr. <br />Brindamour's property is Lot 10, Block 4 Ridgewood East Addition. In investigating this <br />situation, we reviewed the City's file, made a site visit with Steve Rohlf and discussed the <br />situation with Mr. Brindamour on the phone. <br /> <br />The area in question has obviously collected drainage from the surrounding tributary area since the <br />plat was created. However, the area is not designated as a drainage easement on the original plat. <br />We would disagree with Mr. Brindamour's assertion that the recently constructed home on Lot 9 <br />to the north substantially changed the volume of water flowing to the low point on his property. <br />There certainly is a small addition of impervious surface due to the new roof top and driveway, <br />but the runoff from these flows across the grass area where absorption can still take place. <br /> <br />From our visual inspection, we would concur with the conclusion in Steve Rohlf's letter to Mr. <br />Brindamour dated October 7, 1991. That is, material imported to Mr. Brindamour's lot has a <br />substantial amount of clay in it and erosion has carried this material to the pond bottom, thus <br />sealing it and reducing the native soil's ability to percolate water. We believe if the pond bottom <br />is opened up and the side slopes stabilized to prevent erosion, the pond will operate properly. <br />There would be some standing water after a rainfall event, but it should percolate away within a <br />f;.w GaYS. <br /> <br />In conclusion, there is no question this area was always intended to gather some runoff from the <br />surrounding area. It needs to be repaired so it can once again operate properly. <br /> <br />If you have any questions or would like further information, please call. <br /> <br />Sincerely, <br /> <br />MAIER STEWART AND ASSOCIATES, INC. <br /> <br />':;;;f-/Jtlfalue.0 <br /> <br />Terry r Maurer, P.E. <br /> <br />TJM/ks <br />000- 300 I.JUL <br />1959 SLOAN PLACE, SUITE 200, ST. PAUL, MINNESOTA 55117 612-774-6021 <br />9800 SHELARD PARKWAY, SUITE 102, MINNEAPOLIS, MINNESOTA 55441 612-546-0432 · Equal Opportunity Employer <br />