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1111.01 MINIMUM PAVEMENT WIDTHS.
   Minimum pavement widths, back to back of curb, installed at subdivider's expense, shall be as follows:
   (a)    Primary streets - fifty feet; secondary streets - forty-four feet; collector streets - thirty-six feet; minor streets - thirty feet.
   (b)    Minor streets, including cul-de-sacs, shall not be over six hundred feet long. The pavement of a turning circle at the end of a dead-end street shall have a minimum outside diameter of eighty feet. A “T” or “Y” shaped paved space, when approved by the Planning Commission in place of a turning circle, shall extend entirely across the width of the street right-of-way, except for sidewalk space, and shall be at least ten feet wide with the flared portion rounded by minimum radii of twenty feet.
      (Ord. 1973-10. Passed 1-8-74.)
1111.02 STREET GRADES.
   (a)    The grades of streets shall not exceed the following, except that where unusual or exceptional conditions exist, the Engineer may modify these regulations:
      (1)    Primary streets: four percent (4%).
      (2)    Secondary and collector streets: seven percent (7%).
      (3)    Minor streets and service drives: ten percent (10%).
      (4)    Pedestrian ways or crosswalks: twelve percent (12%), unless steps of an acceptable design are to be constructed.
      (5)    In no event shall the minimum grade of any street be less than four-tenths of one percent (.4%).
         (Ord. 1973-10. Passed 1-8-74.)
1111.03 GRADE CHANGES.
   All changes in street grades in excess of one percent (1%) shall be connected by vertical curves of a minimum length equal to fifteen times the algebraic difference in the rates of grade, but not less than fifty feet.
(Ord. 1973-10. Passed 1-8-74.)
1111.04 CURVATURE OF STREETS.
   The radii of curvature on the centerline shall not be less than the following:
   (a)    Primary and secondary streets: 400 feet.
   (b)    Minor streets and service drives: 200 feet.
      (Ord. 1973-10. Passed 1-8-74.)
1111.05 INTERSECTIONS.
   (a)    At street intersections, property line corners shall be rounded by an arc, the minimum radius of which shall be twenty-five feet.
   (b)    Street curb intersections shall be rounded by radii of at least twenty feet.
(Ord. 1973-10. Passed 1-8-74.)
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