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H:\ORNO\C13115486\z-LA18-0000.3_2745 Kelley Parkway\2745KelleyPkwy-1_2018-04-09.docx April 24, 2018 City of Orono Attn: Adam Edwards 2750 Kelley Parkway Orono, MN 55356 RE: Site Plan Application #LA18-000036 2745 Kelley Parkway Engineering Review #1 Dear Adam: As requested, we have completed an engineering review of the documents submitted for the above referenced project. We offer the following observations, comments, and recommendations for your consideration: 1.The regional pond located to the east provides rate control for stormwater runoff from this parcel. Due to rule changes since the pond’s construction though, stormwater management measures must now be included to limit runoff volume and discharge of Total Suspend Solids and Total Phosphorus to that of existing conditions. The proposed stormwater runoff management plan will provide volume and pollutant control as required. 2.A separate City permit must be obtained for the sanitary sewer and water connections. 3.The condition of the regional pond east of the site must be reviewed by the City and Contractor prior to any work. The pond bottom must be verified with survey prior to any work, and once work commences, the Contractor shall be responsible for removing any sediment added to the pond due to site construction. 4.The condition of Kelley Parkway and adjacent sidewalk must be reviewed by the City and Contractor prior to any work and verified with video or pictures. Any damage to the street or sidewalk after work commences shall be deemed to be caused by the Contractor and the Owner’s responsibility to repair. 5.All work within public right-of-way and connections to watermain must be coordinated with the City. Contractor must provide a minimum 48 hour prior notice. 6.All construction equipment must be parked on site. Clear drive lanes must be maintained on Kelley Parkway at all times. 7.Temporary barricades must be installed at the west entrances to direct traffic through the rock entrance until the site is permanently stabilized. 8.Drainage and Utility Easements must be revised to adequately cover utilities as follows: a.Watermain, hydrants, and valves (except private service lines) b.Stormwater management facilities used to meet governmental requirements 9.A 10’ trail easement must be provided adjacent to the south lot line. 10.Extent of removals at connections to existing pavement shall be coordinated in the field with the City prior to any work. Concrete sidewalk removal limits shall be located at a joint. Bituminous pavement should be saw-cut for clean match lines. 11.A concrete apron must be installed at the new connection to Kelley Parkway per City