Except as specifically provided in this section, all improvements in a Residential Cluster District shall be in accordance with the Subdivision Regulations of the City and shall conform to all existing or future requirements of the City Engineer and/or Council for plans and specifications with respect to the construction and material standards for all streets, sidewalks, storm and sanitary sewers, street lighting, water distribution, electric, telephone, and gas distribution systems within the City.
(a) Streets.
(1) Streets internally serving a residential cluster development shall be developed as private streets.
(2) Street width for private streets may be twenty-two (22) feet, measured from back of curb to back of curb, when off-street guest parking spaces are provided, if approved by the City Engineer, Safety Department, and the Planning and Design Commission.
(3) Alternate paving materials of asphalt may be proposed for a private street, provided that it is designed with a minimum asphalt pavement thickness as required by the Ohio Department of Transportation Pavement Design and Rehabilitation Manual flexible pavement design procedure but in no case less than seven inches of asphalt on a six-inch aggregate base, if approved by the City Engineer and the Planning and Design Commission.
(4) Curbs shall be concrete and designed as straight barrier curbs.
(5) Cul-de-sac streets may be of any length.
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(b) Utilities.
(1) All utility improvements shall be installed underground.
(2) Utility improvements need not be installed in a street right of way if their location is approved by the City Engineer and permanent easements providing access to the utilities are granted to the City and the utility companies in a form satisfactory to the City Engineer and the Law Department.
(3) All existing ditches are to remain open except at street crossings. Culverted street crossings are to be designed for the 10-year flood frequency. A diagram showing the proposed 100-year culvert headwater pool shall be provided. (Ord. 2007-5. Passed 4-17-07.)