SUBDIVISION REGULATIONS 2. Minor arterial: five percent (5%); 3. Neighborhood collector, minor residential streets and alleys: six percent (6%) iv. Minimum Grade. The minimum grade for any street shall be one-half of one percent at the gutter, unless otherwise approved by the City Engineer. Street intersections shall be rounded by radii not less than twenty feet (20FT) at the curbline. v. Standards. All street construction and specifications for materials shall be in conformity with standards required by the City as published by the City Engineer. vi. Plans. The plans must bear the approval of the City Engineer, Director of Public Service, Superintendent of Water/Wastewater, Superintendent of Streets, and Fire Chief. Places shall be provided for their signatures. B. Private Roadways i. As used in this section “private roadway” means any passageway designed for use by motor powered vehicles, upon property owned by one or more persons, firms or corporations where such passageway serves in excess of four dwelling units. ii. All proposed private roadways and their pavement widths shall be shown on the preliminary and final plats filed in accordance with these Subdivision Regulations. In addition, a document indicating the responsible party for maintenance shall also be provided. iii. All private roadways shall be improved with a hard surface of concrete, asphalt or other similar products or combination of products. The construction and specification for materials for private roadways shall conform with standards provided by the City standards as published by the City Engineer. iv. The minimum pavement width for private roadways shall be twenty-six feet (26FT) and the maximum grade shall be six percent (6%), however, the minimum grade for private roadways shall be one- half of one percent at the gutter, unless otherwise approved by the City Engineer. v. Every private roadway ending in a dead end or at a cul-de-sac circle shall have a minimum pavement width as approved by the Planning Commission to assure access to the area for fire equipment and to facilitate the turning of vehicular traffic. In approving such minimum pavement widths the Planning Commission shall consider whether such cul-de-sac or turnaround will be used for parking vehicles. vi. The plans must bear the approval of the City Engineer, Director of Public Service, Superintendent of Water/Wastewater, Superintendent of Streets, and Fire Chief. Places shall be provided for their signatures. C. Sanitary Sewers i. Plans and profiles of sanitary sewers shall be submitted to the Director of Public Service. All grades, pipe sizes, manholes and other appurtenances shall be shown and installation and materials shall be in conformity with City standards as published by the City Engineer. ii. Sanitary sewer plans must bear the approval of the Director of Public Service and the City Engineer and the Superintendent of Water/Wastewater. Places shall be provided for their signatures. 218
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