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_ Bonestroo z335 West Highway 3G ■ St. Paul, MN 55113 EXHIBIT H <br /> Rosene Office: 651-63G-4G00 • Fax: G51-636-1311 <br /> Anderiilc& www.bonestroo.com <br /> ' Associ�tes <br /> Engineers&Architects <br /> May 26,2005 <br /> Ms. 7anice Gundlacli <br /> Planner <br /> City of Orono <br /> Post Office Box 66 <br /> Crystal Bay,IvIN 55323 <br /> Re: 1745 i'ox Street <br /> File No.000139-05000-0 <br /> Plat No. OS-3097 <br /> Dear Janice: <br /> We have reviewed the site plans and preliminary plat dated 5-4-05 for the proposed improvements to 1745 Fox Street. <br /> The plans propose to subdivide an existing single family lot into a six lot single family subdivision. The existing lot is <br /> 57.91 acres of which 21.11 acres are dry.We have the following comments with regards to engineering matters: <br /> • The plat should provide drainage and utility easements 5-feet wide along all interior]ot lines and 10-feet wide <br /> along all rights-of-way.Drainage easements should be provided over ail ponding areas,wettands and drainage <br /> � ways. <br /> • Please see the attached drainage and ponding comments from Lance Hoff. <br /> • Because the improvements will disturb more than one acre the final plans should include a detailed temporary <br /> and pernianent erosion and sediment control plan as required for the NPDES perniit.The latest plan submittal <br /> does not inc]ude this information and we are unable to comment on this part of the plan at this time. <br /> • The proposed retaining walls exceed 4-feet in height in many areas and approach 10-feet in height in some <br /> areas.A separate engineered design and detail submittal is required for all walls that are greater than 4-feet in <br /> height. <br /> • The driveway shown across Outlot A to serve Lot 6 should be configured to serve the existing guest house if <br /> this structure is to remain.The existing elevations indicate that a driveway could be constructed between the <br /> guest house and the driveway that serves Lot 6 at grades that do not exceed 10%.The guest house access onto <br /> Fox Street should be removed and the ditch regraded. <br /> • The proposed improvements to Fox Street include lengthening the existing vertical curve from 150-feet to 300- <br /> feet.The existing 150-foot vertical curve on Fox Street does not meet the sight distance requirements for a 30 <br /> mph design speed.The proposed improvements to Fox Street will improve the sight distance and will meet the <br /> 30 mph design standard. Final plans for the Fox Street improvements should include a more detailed design <br /> including cross sections at 50-foot intervals and a proposed pavement section. Final plans should include a. <br /> detailed traffic control and detour plan. <br /> If you have any questions please call me at(65l)604-4863. <br /> Yours very truly, <br /> BONESTROO,ROS�NE,AND�RLIK&ASSOCIATES,IIVC. <br /> ..----- <br /> l4� .���1/1 <br /> Tom Kellogg <br /> Attachment <br /> Cc: Greg Gappa,City of Orono <br /> St. P�ul, St. Cloud, Rochester, MN ■ Milwaul<ee, WI ■ Chicago, IL <br /> Affirmative Actlon/Equal Opportunity Employer and Employee Owned <br />