§ 150.31 ROADWAY IMPROVEMENTS.
   (A)   Minimum pavement widths. All streets shall be designed in accordance with City Standard Construction Drawing Typical Sections. The matter of additional pavement width shall be discussed with the public officials having jurisdiction to determine whether or not additional width shall be necessary. Cul-de-sac streets shall be designed in accordance with the City Standard Construction Drawing for cul-de-sacs, including required right-of-way.
   (B)   Grades.
      (1)   All proposed grades shall be the centerline grades of the respective streets, and shall be indicated in complete detail in profiles and referenced to the stationing shown on the plan.
      (2)   Maximum per cent.
         (a)   Thoroughfares - 6%.
         (b)   Minor streets and alleys - 10%.
         (c)   Intersections - 4%.
      (3)   Minimum per cent. All streets - 0.6%.
   (C)   Alignment-minimum standards.
      (1)   Vertical. Vertical design shall be in accordance with applicable sections of the most current edition of the Ohio Department of Transportation Location and Design Manual, Volume One.
      (2)   Horizontal. Horizontal design shall be in accordance with applicable sections of the most current edition of the Ohio Department of Transportation Location and Design Manual, Volume One.
      (3)   There shall be a tangent between reverse curves of at least 100 feet, wherever possible. In any case, standards shall be such as to produce visibility to the satisfaction of the city engineer.
   (D)   Intersections.
      (1)   At the intersection of 2 streets, property line corners shall be rounded by an arc of a 12 ½ foot radius.
      (2)   Street curbs or edges of street pavements shall be rounded by radii of at least 25 feet.
      (3)   The minimum radii, noted above, shall be increased when the smallest angle of intersection is less than 600, or in any case where the planning commission considers an increase necessary.
      (4)   The plans for street improvements in the subdivisions shall show the stations and angles to all intersecting streets and turnarounds.
   (E)   Typical sections.
      (1)   Subdivision standard drawings are on file in the city building department. Typical sections shall be drawn in accordance with the subdivision standard drawings.
   (F)   Driveways. Only one driveway will be allowed for each subdivision lot. No part of any driveway or driveway approach within the road right-of-way shall be installed closer than 5 feet to any inlet, fire hydrant, utility pole, or guy wire anchor. (This requirement to appear on the detailed improvement plan and record plat). (Ord. 29-1987, passed 4-15-87)
   (G)   Sidewalks.
      (1)   Sidewalks shall be constructed on both sides of all streets within all subdivisions. One course class C concrete sidewalks shall be constructed where shown on the plan or typical sections, including all walkways. One-half inch expansion joints shall be placed at intervals not to exceed 100 feet, and contraction joints equally spaced at 5-foot intervals. All sidewalks shall connect to the pavement or curb at intersections, with ½-inch expansion joint between the walk and curb. Handicap ramps shall be placed in all curbs as per the city standard construction drawings. Pedestrian access will be reviewed to determine the necessity of sidewalks on both sides of the street in commercial and industrial developments.
      (2)   Sidewalks - Minimum: Residential - 4 feet wide; Commercial - 5 feet wide, 6 feet wide if located at back of curb. In high pedestrian/children areas, this requirement may be increased. ADA compliant curb ramps shall be provided as needed.
   (H) Street lights. Provision shall be made for installing pole, underground service, on approximately 150 feet centers along each street. Any easement or additional poles required shall be provided by the subdivider. The developer shall work with Duke Power on the selection of street light if not specifically covered during the review process.
   (I) Street signs. Street signs shall be installed at all street intersections within the subdivision. The signs shall be located where required by the planning commission. Signs must be in accordance with the current edition of the ODOT Location and Design Manual, Volume One.
   (J) Telephone and electric service. The subdivider shall provide for the installation of underground electric and telephone service to serve the development. Adequate easements shall be reserved to allow this type of installation.
   (K)   Elevations and bench mark. All elevations shall be referenced to sea level datum, and each improvement plan shall show the description and elevations of the bench mark used for the subdivision survey.
(Ord. 26-1978, passed 6-21-78; Am. Ord. 40-2010, passed 12-15-10)