A. Maximum grades permitted shall be: Seven (7) percent on major streets; ten (10) percent on secondary; fifteen (15) percent on a local street; and streets shall be graded to full right-of-way. Where topography makes it necessary, grades of not more than twenty (20) percent may be allowed for distances not to exceed one hundred (100) feet when approved by the City Engineer.
B. Normal Minimum grades permitted: One (1) percent (absolute minimum permitted; .03 percent cross slope across intersections; .02 percent when approved by City Engineer).
C. Maximum grade permitted on “switch-backs” or curves with a radius of less than two hundred (200) feet shall not exceed five (5) percent.
('65 Code, § 31-106) (Ord. No. CS-622 § 1 (part))