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Preliminary Plat Application 18-3999 <br />Southways Addition <br />Page 4 <br />4.0 PRELIMINARY STREET PLAN <br />6835 <br />4.1 A minimum IS" culvert should be provided under driveways and roads to limit potential for <br />clogging. <br />4.2 Proposed curb should be indicated as B612 Curb and Gutter, and a detail should be provided with <br />Final Plans. <br />4.3 Bituminous pavement should be saw -cut to full depth at connection to existing to provide clean <br />match lines. Pavement at connection should match existing elevation and section. Final limits <br />should be coordinated in the field with the City prior to any demolition work. <br />4.4 Pipe characteristics should be provided for all proposed storm sewer and culverts (i.e. invert <br />elevations, diameter, length, slope, and material). Culverts under the roadway should be <br />concrete. Provide minimum 2' cover. <br />5.0 PRELIMINARY LANDSCAPE PLAN <br />5.1 The Final Landscape Plan should include the following: <br />a. Types and locations of proposed restoration. <br />b. Abandoned road should indicated removal of pavement and restoration type.. <br />c. De -compaction of existing soils under removed impervious surfaces with 12" ripping depth <br />prior to placement of topsoil. <br />d. Areas disturbed by sanitary manhole removal. <br />e. Restoration of the existing rain garden at the south street connection. <br />f. Trees should be located so as not to interfere with drainage. In rural section areas, trees may <br />need to be placed outside the right-of-way. <br />If you have any questions or comments, please contact me to discuss. <br />Sincerely, <br />Bolton & Menk, Inc. <br />j�2 0-�4 i "A <br />Robert E. Bean, Jr., P.E. <br />Water Resources Engineer <br />CC: Adam Edwards, City of Orono <br />H:\ORND\CI3115486\z-IB-3999-BrakeLs Polntj5out6ways_PmPlatReuiew-1_2018-01-09.do" <br />Bollon & Menk is an <br />