303.03  GRADES.
   Any grading necessary between the walks, as laid, and the curb lines shall be done at the time of laying the walks so as to leave the sidewalk space at the grade hereinafter described:  beginning at the curb line with the established curb grade, thence extending to the street line at right angles to the curb line with a rise of not less than three-eighths of an inch to the foot, provided however, that where the topography and other conditions make such grade impracticable, a different grade may be used when approved by the City.  All sidewalks shall be constructed to the line and grade established by the City.
(Ord. 1956-45.  Passed 8-6-56.)