§ 10.12 GRADES AND ELEVATIONS; DETERMINATION OF STREET GRADE.
   The grade of the street shall be on straight lines connecting the points where the elevations are fixed as provided by this chapter; except, that where the grade breaks in a block between intersecting streets, the sidewalks and curbs shall be on vertical curves; however, the grades of such curves shall be established in conformance to §§ 10.08 through this section.
(1991 Code, § 1-12)