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2335 West Highway 3G � St. Paul, MN 55113 � <br /> Bonestroo <br /> • Rosene Office: G51-63G-4600 • Fax: G51-63G-1311 �,,,,,,,�. <br /> Anderlil<& www.bonestroo.corn <br /> Associ�tes <br /> Engineers&Architects . <br /> �.���'���� <br /> June 10,2005 � ,ZOQS <br /> Mr.Michael Gaffron �uN � <br /> Planning Director C�.�Y QF pRON� <br /> City of Orono <br /> Post Office Box 66 <br /> Crystal I3ay,Minnesota 55323 <br /> Re: WJM Properties Addition <br /> i'ile No. 000139-05000-0 <br /> Plat No. OS-3115 <br /> Dear Mike, <br /> We have reviewed the drawings for the revised parking lot and building addition at the Morries Automotive Group <br /> property. The site is located at 2605 West Wayzata Boulevard. We have the following cotnments with regards to <br /> engineering matters: <br /> • The proposed revisions to the parking lot will direct more storni water easterly than shown on the previously <br /> approved plan.Final plans should include revised stonn water calculations to reflect the new design. <br /> • Final plans should include a grading plan showing existing and proposed contours. <br /> • The narrative submitted with the drawing suggests sheet flow off the parking lot towards the existing ditch east <br /> of the lot.The parking lot design should include proposed grades to ensure drainage will reach the ditch.We <br /> recoinmend that parking]ot grades be a minimum of 1.5%and a maximum of 4%. <br /> • Final plans should include some type of best inanagement practice to treat the storn�water leaving the site <br /> prior to discharge into the existing ditch. <br /> • The previously approved plans showed curb and gutter along the entire length ofthe access driveway along the <br /> west side of the site.The revised plans show the curb only along the northerly 250-feet of the driveway.The <br /> fina]plans should clarify and provide detail as to how the stonn water will be dealt with along the driveway. <br /> • The driveway along the west side of the building was originally approved at 24-feet wide.The revised plans <br /> show the driveway at 30-feet wide.It appears the revisions may increase the overall site hard cover from what <br /> was originally approved.The city may want to request hard cover calculations from the applicant to verify the <br /> proposed hard cover if this is an issue. <br /> • rinal plans should include construciion details such as pavement sections,curb and gutter details,etc. <br /> • Once the final plans have been completed we will prepare an estimate of the total cost for the site , <br /> improvements to detennine the amount of the financial guarantee required. <br /> Please contact me at(651)604-4863 if you have any questions regarding this matter. <br /> Yours very truly, <br /> BONESTROO,ROSENE,ANDERLIK&ASSOCIATES,1NC. <br /> =/p-sy'f � , <br /> .����X1 <br /> Tom Kellogg <br /> C: Greg Gappa,City of Orono <br /> St. I'aul, St. Cloud, Rochester, MN • Milwaul<ee, WI • Chicago, IL <br /> Affirmative Actton/Equal Opportunity Employer and Employee Owned <br />