A. Established Grades: The grades of all streets, alleys and sidewalks, which have been heretofore established by ordinance are hereby confirmed, ratified and established as official grades. (2000 Code § 138.01)
B. Record Maintained: The clerk shall maintain a record of all established grades and furnish information concerning such grades upon request. (2000 Code § 138.02)
C. Datum Plane: The United States coast and geodetic survey datum plane shall be used as the reference plan in establishing all elevations and grades within the city. The official bench mark system shall be on file in the office of the global information systems (GIS) coordinator. (2000 Code § 138.03; amd. 2008 Code)