The grades of streets shall not exceed the following, except that where unusual or exceptional conditions exist, the Village Engineer may modify these regulations:
   (a)   Primary streets: four percent (4%).
   (b)   Secondary streets and collector street: seven percent (7%).
   (c)   Minor streets and service drives: ten percent (10%).
   (d)   Pedestrian ways or crosswalks: twelve percent (12%) unless steps of an acceptable design are constructed and provisions made to meet current handicap requirements.
   (e)   In no event shall the minimum grade be less than four-tenths (0.4%) of one percent.
      (Ord. 22-089. Passed 12-5-22.)