(a) The plan shall show the stationing on the centerline of all streets and the station and angle of all intersecting streets. The profile shall show the elevations of the existing ground, the proposed centerline, and the sewer grade as well as the location of all existing and proposed utilities.
(b) All streets within the development shall be improved the full width and length of the proposed street right-of-way to the plat line, and a typical cross section of the new streets shall be shown.
(c) Changes in grade shall be made by vertical curves of minimum length subject to the design standards in the Ohio Department of Transportation Location and Design Manual, latest edition. The point of curvature and point of tangency of all vertical curves shall be stationed, and elevations shall be shown on 25-foot stations along the entire length of the vertical curve.
(d) All street grades shall be centerline grades, and details of drainage and elevations at street intersections shall be shown.
(e) Minimum rate of grade on streets shall be .5 percent or 6 inches per 100 feet on streets with curb and gutter.
(f) Concrete curb, gutter, and sidewalk where required shall be constructed in accordance with the standard drawings and specifications on file in the Service Department.
(g) Manholes and water valves must be adjusted to the finished street surface after the placing of the leveling course but prior to the placing of the finished asphalt course.
(h) The entire right-of-way of all streets shall be graded full width regardless of whether or not sidewalks are required. The design shall be based upon the requirements set forth in the Ohio Department of Transportation Pavement Design and Rehabilitation Manual. Design calculations, including boring logs shall be submitted to the Service Department. All calculations shall be signed and sealed by a professional Engineer registered in the State of Ohio. The asphalt concrete paving shall not be done until all utilities have been installed including all house services. The surface course shall not be paved until all utilities have been accepted by the City.
(i) Cross sections shall be shown every 50 feet and shall be drawn to one inch equals ten foot horizontal and one inch equals five foot vertical. Cross sections are only necessary where three (3) feet or more of structural fill is to be placed.
(j) Signing and pavement markings shall be installed at all appropriate locations. Plans shall be submitted which are designed in accordance with the Uniform Manual Of Traffic Control Devices, latest edition. Street name signs conforming to City of Springfield standards shall be placed at all intersections.
(Ord. 95-387. Passed 12-5-95.)
(k) All traffic signal support devices shall be mast-arm type installations unless deemed impractical by the Service Director or designee.
(Ord. 03-174. Passed 4-29-03; Ord. 19-289. Passed 12-10-19; Ord. 23-159. Passed 5-23-23.)