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079 ORDINANCE NS-2192 Page 6 SECTION 6: That Section 14-31 of the Santa Ana Municipal Code is hereby amended to read as follows: Sec. 14-31. Fire flow requirements (Section 10-401). Section 10.401 of the Uniform Fire Code is amended to read as follows: 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 ~onstructed, and no additions, alterations, or repairs shall be made to an existing building within any twelve-month period which exceed twenty-five (25) per cent 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: 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 the building or be protected. Such required hydrant or hydrants may be located either on a public street or on the site of the premises to be protected. In all other cases: The required hydrant or hydrants shall be located on the site of the premises to be protected, except that any required hydrant may be located on a public street if such location is within one hundred fifty (150) feet of all portions of the exterior walls of the building to be protected.