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• Bonestroo Z335 West Higliway 36 � St. f'aul, MN 55113 � <br /> , Rosene Office: G51-G36-4G00 ■ Fax: G51-G3G-1311 � <br /> Anderlil<& www.bonestroo.com <br /> Associ�tes <br /> Engineers&Architects <br /> �������� <br /> June 10,2005 yu� 1 � ZQO� <br /> Mr.Michael Gaffron RO�� <br /> Planning Director c`.-�Y Q� � <br /> City of Orono <br /> Post Offce Box 66 <br /> Crystal Bay,Minnesota 55323 <br /> Re: WJNI Properties Addition <br /> File No.000139-05000-0 <br /> Plat No. OS-3115 <br /> Dear Mike, <br /> We have reviewed the drawings for the revised parking 1ot and building addition at the Morries Automotive Group <br /> property. The site is located at 2605 West Wayzata Boulevard. We have the following comments with regards to <br /> engineering matters: <br /> • The proposed revisions to the parking lot will direct more stoml water easterly than shown on the previously <br /> approved plan.Final plans should inctude 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 t11e lot.The parking lot design should include proposed grades to ensure drainage will reach the ditch.We <br /> recommend that parking lot grades be a mi:nimum of 1.5%and a maximum of 4%. <br /> • Final plans should include some type of best management practice to treat the stornl 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 of the 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 /> final plans should clarify and provide detail as to l�ow 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 tt�e revisions may increase the overall site hard cover from what <br /> was originally approved.The city inay want to request hard cover calculations froin the applicant to verify the <br /> proposed hard cover if this is an issue. <br /> • rinai plans should inciude construciion details such as pavemeni sections,curb and gutter details,etc. <br /> • Once the fnal plans have been completed we will prepare an estimate of the total cost for the site . <br /> unprovements to deternline the amount of the financial guarantee required. <br /> Please contact me 1t(651)604-4863 if you have any questions reglyding this matler. <br /> Yours very lruly, <br /> BONESTROO,ROS�N�,AND�RLIK&ASSOCIAT�S,INC. <br /> �p-r✓f � , <br /> .�,�E��C/ <br /> Tom Kellogg <br /> C: Greg Gappa,City of Orono <br /> St. Paul, St. Cloud, Roci�ester, MN ■ Milwaul<ee, Wl � Chicago, IL <br /> Afflrmative Action/Equal Opportunity Employer and Employee Owned <br />