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Preliminary Plat Application 18-3999 <br />Southways Addition <br />Page 4 <br />H:\ORNO\C13115486\z-18-3999_Brackets Point\Southways_PrePlatReview-1_2018-01-09.docx <br /> <br />4.0 PRELIMINARY STREET PLAN <br />4.1 A minimum 15” 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 />Robert E. Bean, Jr., P.E. <br />Water Resources Engineer <br />CC: Adam Edwards, City of Orono