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RCA Exhibit A 4�'`'NE�°r4.�fl Minnesota Department of Transportation ' � Metropolitan District �fi�, �a Waters Edge Building �F �`P � 1500 County Road B2 West Roseville, MN 55113 May 6, 2015 Bryan Lloyd, City Planner City of Roseville 2660 Civic Center Dr. Roseville, MN 55113 SUBJECT: Farrington Estates, MnDOT Review #P15-023 South of MN 36, West of Rice St. Roseville, Ramsey County Control Section 6212 Dear Mr. Lloyd: The Minnesota Department of Transportation (MnDOT) has reviewed the Moore's Farrington Estates plat in compliance with Minnesota Statute 505.03, subdivision 2, Plats. Before any further development, please address the following issues: Water Resouaces: The proposed project includes development that affects drainage to MnDOT right of way. The existing drainage patterns will likely be altered with this development. MnDOT has culvert drainage that enters and exits this property. MnDOT will need to review the calculations and construction plans. A MnDOT drainage permit review will be required to ensure that current drainage rates to MnDOT right-of-way will not be increased. Drainage patterns and flow conditions within MnDOT right of way cannot be adversely affected by this development. The drainage permit application, including the information below, should be submitted to: Minnesota Department of Transportation Metropolitan District - Permit Ofiice 1500 W. County Road B-2 Roseville, MN 55113 The following information must be submitted with the drainage permit application: 1) A grading plan showing existing and proposed contours, 2) Drainage area maps for the proposed project showing existing and proposed drainage areas. Any off-site areas that drain to the project area should also be included in the drainage area maps. The direction of flow for each drainage area must be indicated by arrows, 3) Drainage computations for pre and post construction conditions during the 2, 10, 50 and 100 year rain events, Page 14 of 22