The boundaries of Fire Zone No. 3 are hereby declared to be and are established as that territory or portion of the City within the "R-2 Single-Family Dwelling" and the "R-3 Multiple-Family Dwelling" Districts, as defined by Sections 11-2-4 and 11-2-5 of this Code and is shown on the Official Zoning Map of the City. (Ord. 510, 4-25-1977; amd. Ord. 684, 5-11-1998)