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entrance or frame. All buildings with a rear door access shall identify that unit with the proper numbers affixed to the door or frame. All buildings with two (2) or more units shall identify utility meters according to the unit being serviced. Numbers shall be affixed on a structure in clear view, unobstructed by trees or shrubs. SECTION 58: The City Council of the City of Santa Ana hereby finds, determines and declares that adoption of Section 14-27 amending California Fire Code section 508 is necessary due to climatic conditions of high winds and low humidity. Combined with high density city population conditions may be conducive to rapidly spreading fires. These climatic conditions and winds contribute to the rapid spread of even small fires originating in high density housing therefore creating a need for increased fire protection. This amendment defines fire flow, fire sprinkler and fire hydrant placement requirements. SECTION 59: That section 14-27 of the Santa Ana Municipal Code is hereby amended such that it reads as follows: Sec. 14-27. Fire flow requirements (Section 508). (a) Subsection 508.1 of the California Fire Code is amended to read as follows: 508.1. Required water supply for fire protection. No building shall hereafter be constructed which would require a fire flow of more than five thousand five hundred (5,500) gallons per minute. No existing building shall be added to, altered, or changed in the character of its occupancy so as to increase its required fire flow above five thousand five hundred (5,500) gallons per minute. No existing building which currently requires a fire flow of more than five thousand five hundred (5,500) gallons per minute shall be added to, altered, or changed in the character of its occupancy if such addition, alteration or change would increase the fire flow required for such building. No building shall hereafter be constructed, and no additions, alterations, or repairs shall be made to an existing building within any twelve-month period which exceed twenty- five (25) percent of its value, and no existing building shall be changed in the character of its occupancy so as to increase the fire flow required for such building, unless fire hydrants and appurtenant water supply capable of delivering the fire flow that will be required for such building, with a residual pressure measured at the hydrant outlet of not less than twenty (20) pounds per square inch during times of average daily consumption, are located in accordance with the following distance limitations: 1. In any case where this requirement applies solely by reason of additions, alterations, or repairs to an existing building; and in the case of new construction of a building designed for Group R, Division 3 occupancy, as defined in the building code of the City of Santa Ana, or building or structure accessory thereto: the required hydrant or hydrants must be located within five hundred (500) feet of all portions of the exterior walls of Ordinance No. NS-2760 Page 29 of 36