§ 154.083 STREETS, SIDEWALKS AND ALLEYS.
   (A)   Construction plans for improvements to be installed shall be prepared by a registered professional engineer whose seal shall appear thereon. Two prints shall be furnished. Improvements shall be in accordance with specifications adopted by the Council. Construction details shall be revised as may be necessary and receive approval of the City Engineer and other agencies having jurisdiction before improvements are installed. Details shall include:
      (1)   Plan and profile of each street, referenced to United States Geological Survey datum, at a horizontal scale of 20 feet or less to the inch, with tentative grades indicated, including plans and profiles of proposed sanitary sewers, also storm water sewers if required, with grades and sizes indicated;
      (2)   Typical cross-section of each proposed street at a horizontal and vertical scale of five feet or less to the inch, showing the width of pavement, the location and width of any sidewalks and the location of utility mains;
      (3)   Complete grading plan;
      (4)   Plan of the proposed water distribution system, showing pipe sizes and location of valves and fire hydrants.
   (B)   Streets shall be graded to full right-of-way width. The surfacing shall be seven inches of portland cement concrete or equivalent. Such surfacing shall not be less than 25 feet wide, back to back of curb, and with concrete curb and gutter, or as otherwise required under § 154.084, all in accordance with the specifications and meeting the approval of the city.
   (C)   Sidewalks shall be constructed of portland cement concrete four inches in thickness and not less than four feet in width.
   (D)   Alleys and service drives shall be graded to the full width of the right-of-way and shall be provided with an all-weather surface satisfactory to the City Engineer. Such paved width shall be four feet less than the dedicated right-of-way unless otherwise specified.
(‘82 Code, § 16.28.040) (Ord. 649, passed - -72)