1113.06 STREET GRADES.
   (a)   Street or road grades shall not exceed the following:
Street Classification
Grade
Major arterial street
 
4%
Minor arterial street
 
6%
Collector street
8%
Local street
8%
   (b)   No street grade shall be less than 0.35 percent, and in no case shall a street grade be more than three percent within 100 feet of an intersection.