Agenda Packet Cc - regular meeting 10/24/1988

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Zoning File #1309 August 11, 1908 Page 3 of 4 Review of Current After -the -Fact Application - The applicant's landscape contractor has attempted to solve the drainage prrJ lems along the south lot line without the benefit of permit review. Re, ^w Exhibits M & N, Staff can see no change in the criginal swale a lon j south lot line that Krutzig had installed. This still remains as a grassed area. As you proceed lakeward, the applicant's contractor has installed a stored pathway leading to a pond that has an underliner of plastic. The pond itself has been constructed with a plastic liner placed within the entire cavity of the pond. Large boulders outline the pond and a raised landscape area has been installed along the south side of the pond with filter fabric under.ining the entire landscape area. In addition, there have been new rock landscape Areas with filter installed fabric adjacent to the boulder wall along the lakeside of the house. Landscaping with filter fabric or plastic was classified its hardcover `)y the City in a recent review by both Council and Planning Commission. In fact, both groups unanimously voted to classify filter fabric as hardcover. As a result, the landscaping adjacent to the boulder wall would bring the property over the allowed 25% hardcover with the 75-250' setback area and in addition, provide hardcover within the 0-75' setback area where none is allowAd. Review Exhibits K & L, Cook's letter and sketch regarding the current proposal. Once again, he calls attention to the need to re -construct the swale along the south side of the house. It should also be noted that the majority of work performed within the lakeshcre yard has been installed within the flood plain of Lake Minnetonka. All work appears to be below the 931.5 elevation. Note the entire deck area and boulders in the lakeshore yard Dave been placed along the line of the 931.5. The 75' setback line seems to be 5-8' west of the 'aou_der wall along the lakeshore of the house. Cook also notes that the pond construction seems tn provide no significant improvement to the quality or quantity of water discharged *o the lake. Staff Recowee ndat ion - Prior to asking the current owner to submit additional information regarding the current proposal, staff feels that it is the City's role to first advise the applicant what improvement would be more consistent with the City's policy regarding work within the lakeshore l,rotected area and flood plain. At this point, staff can recall application that dealt w;th the construction of a pond within the 75' ._:.back area or within the flood plain of Lake Minnetonka. The previous drainage plan called for a swale that would continum and fan out withn thw lakeshore yard based on the final elevation of the Swale along the south sidr_ of the property. Once again, the swalt along the north side seems to be functioning the way it was intended. As the elevations in the lakeshort yard appear to be more graduated and tend to slowly drain to the lake.