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BOLTON 2638 Shadow Lane <br /> Suite 200 <br /> 1 & M E N K Chaska, MN 55318-1172 <br /> Real People.Real Solutions. Ph: (9521 448-8838 <br /> Fax:(952)448-8805 <br /> Bolton-Menk.com <br /> April 24, 2018 <br /> City of Orono <br /> Attn: Adam Edwards <br /> 2750 Kelley Parkway <br /> Orono, MN 55356 <br /> RE: Site Plan Application#LA18-000036 <br /> 2745 Kelley Parkway <br /> Engineering Review#1 <br /> Dear Adam: <br /> As requested, we have completed an engineering review of the documents submitted for the above <br /> referenced project. We offer the following observations, comments, and recommendations for your <br /> consideration: <br /> 1. The regional pond located to the east provides rate control for stormwater runoff from this <br /> parcel. Due to rule changes since the pond's construction though, stormwater management <br /> measures must now be included to limit runoff volume and discharge of Total Suspend Solids <br /> and Total Phosphorus to that of existing conditions. The proposed stormwater runoff <br /> management plan will provide volume and pollutant control as required. <br /> 2. A separate City permit must be obtained for the sanitary sewer and water connections. <br /> 3. The condition of the regional pond east of the site must be reviewed by the City and Contractor <br /> prior to any work. The pond bottom must be verified with survey prior to any work, and once <br /> work commences, the Contractor shall be responsible for removing any sediment added to the <br /> pond due to site construction. <br /> 4. The condition of Kelley Parkway and adjacent sidewalk must be reviewed by the City and <br /> Contractor prior to any work and verified with video or pictures. Any damage to the street or <br /> sidewalk after work commences shall be deemed to be caused by the Contractor and the <br /> Owner's responsibility to repair. <br /> 5. All work within public right-of-way and connections to watermain must be coordinated with <br /> the City. Contractor must provide a minimum 48 hour prior notice. <br /> 6. All construction equipment must be parked on site. Clear drive lanes must be maintained on <br /> Kelley Parkway at all times. <br /> 7. Temporary barricades must be installed at the west entrances to direct traffic through the rock <br /> entrance until the site is permanently stabilized. <br /> 8. Drainage and Utility Easements must be revised to adequately cover utilities as follows: <br /> a. Watermain, hydrants, and valves(except private service lines) <br /> b. Stormwater management facilities used to meet governmental requirements <br /> 9. A 10' trail easement must be provided adjacent to the south lot line. <br /> 10. Extent of removals at connections to existing pavement shall be coordinated in the field with <br /> the City prior to any work. Concrete sidewalk removal limits shall be located at a joint. <br /> Bituminous pavement should be saw-cut for clean match lines. <br /> 11. A concrete apron must be installed at the new connection to Kelley Parkway per City <br /> H:\ORNO\C13115486\z-LA18-0000.3_2745 Kelley Parkway\2745KelleyPkwy-1 2018-04-09.docx <br /> Bolton&Menk is an equal opportunity employer. <br />