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E1CN�Ig�f' �'c2 �Bonestroo I h te r 0 ffi c e M e m o Rosene � Anderiik& �Associates � Enginee�s 6 ArcRitects To: Tom Keilogg Date:,�7-11-2005 From: Stuart Krahn Phone: X4861 Re: 1354 Rest Point Circle (File #04-3067) Remarks: Tom: i have the following comments on the Planting Plan dated 7/1/05: 1. Wood Platform: Applicant should verify whether the existing wood platform shown in the survey is to be removed or is to remain, or is seasonal for winter dock storage. If it is to remain or is seasonal, the applicant should clarify how this impacts the planting plan. 2. Shrub Spacing: A number of the proposed shrubs are shown at 6' or 7' on center. This includes the dogwoods, viburnum, amur maple, and sumac. While this spacing reflects their mature size, it does not provide sufficient root structure to stabilize the slope when the roots of the previously cut vegetation decompose. The maximum spacing on new shrubs should be reduced to 4' on center, with 3' on center preferred for smaller species. The honeysuckle at 2.5' on center is appropriately spaced. Applicant should revise plant quantities as required to cover exposed slopes. 3. Perennial and Grass Spacing: To stabilize the slope, all perennials and grasses should be spaced at 1.5' on center, with the exception of the switch grass and little bluestem, which should be spaced 2' on center, and the sedum, which should be spaced at 1' on center. Applicant should revise plant quantities as required to cover exposed slopes. 4. Plant Species: The Moonshadow and Winter Creeper Euonymous and the Wilton Carpet Juniper are not proven performers for stabilizing south-facing slopes. Ash Leaf Falsespirea and Red or White Snowberry are recommended alternatives. Also, amur maples have begun to show up in the wild and are competing with native plants, so are not recommended. 5. Planting Practices/Temporary Erosion Control: Excess soil removed from planting holes will wash into the lake if it is left uncovered on the slope. Therefore, cutting existing dead stumps off at the ground, seeding the slope, placing type 2S straw erosion control blanket, and fhen planting through the blanke�, is recommended. �lo excess soil should be left on to� of the blanket. Bonestroo, Rosene, Anderlik and Associates, Inc. www.bonestroo.com C St,Paul: G Milwaukee: �Rochester. ❑St.Cloud ❑Chicago: 23�5'Nesl High�vay�6 12075 N.Corperate Park�vay.Sie"[Ou 112 7-�Str2et�:E 3721 23'�Stree;S 185U VJesI Wnchester Rd.Sle IOd St.PaW p,1N 55'�t3 I�fequon.'NI 53C92 Reetest-r.FAPI 55cnd St.Cl�ud,MN 56301 li6ertyvlll=,Il"c0048 Fhone:d51-63o�4n00 Pnone�.2o2-65.i-503.'�. Phonz�.507-282-27G0 Phone�920�251�455� Phonz�347-81E-tc37 Fax:651�63d�1311 Fax:2d2-241i50� "rzx�.507�32-31GG FFax�.320-2i1-n252 =az.54i-81;�77c2