11-09-06 Planning Comm. Agenda - Laserfiche WebLink

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October 23, 2006 Lee Elfering, P.E. Civil Engineer 10062 Flanders Court NE Blaine, MN 55449 Re: Proposed Canadian Woods. 6776 Lake Drive NE, Suite 110 Lino Lakes, MN 55074 763-785-1043 763-786-6007 fax www.plowe.com The following is in response to the September 7th review letter. Preliminary Plat 1. An existing garage in lot 1 is shown to remain in place. A variance will be required for this garage because as shown it will be 12-feet from edge of the proposed right-of-way, which does not meet the required 30-foot setback. • The preliminary plat has a note in the legend indicating that all structures affected by redevelopment are to be removed; notes have also been added to the preliminary Civil Plans indicating the same. 2. It appears as if the overFlow of the infiltration basin is not covered by a drainage easement. The high water level of the proposed pond should be shown on the plat in order to properly determine the location of the easement. • Easement revised. 3. All swales along the front, side and rear lot lines should be contained within drainage and utility easements. Drainage within lots should be directed to the swales. • Contour adjustments have been made to direct drainage between units to either the street or lot lines where easements are provided. Grading, Drainage, and Erosion Control Plan 1. Please provide a copy of a pavement design based on a street design life of 20 years. • Enclosed is a copy of the "Report of Subsurface Exploration" conducted by Allied Test Drilling. Pavement section detail added to the plans. 2. The site is over 1-acre, which will require Ramsey Washington Watershed approval of the grading and erosion control plan and permit. .Plans were submitted to RWMWD, We have received the following comments. l have enclosed a copy of the permit obtained September 26, 2006. 1. A detail shall be provided on the filtration basin and specifically the underdrain system. o Added underdrain detail 2. A vegetation plan for the pond and filtration basin shall be provided. o Note added for seeding of the pond and infltration basin.