The following requirements are applicable to both flatland and hillside subdivisions:
(a) At a street and an alley intersection, property line corners shall be rounded by an arc; the minimum radii of which shall be ten and five feet, respectively. The street curb intersection shall be rounded by a radii of at least twenty-five feet.
(b) The above minimum radii shall be increased when the smallest angle of intersection is less than sixty degrees.
(c) Where, in the opinion of the Development Department the center line profiles of streets presented as part of the preliminary plat do not clearly indicate that adequate intersection design will be accomplished, the Commission may request an intersection detail at a scale not to exceed one inch equals twenty feet, which detail will clearly represent the construction details for such intersection.
(d) Intersections shall be designed so as to avoid abrupt changes in longitudinal or transverse slope. (Ord. A-1090. Passed 4-4-67; Ord.. 3170. Passed 3-23-76.)