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ORDINANCE NS - 1163 AN ORDINANCE OF THE CITY COUNCIL OF THE CITY OF SANTA ANA AMENDING AND ADDING TO CHAPTER 8 OF THE SANTA ANA MUNICIPAL CODE FOR THE PURPOSE OF ADOPTING AN AMENDMENT TO THE 1970 EDITION OF THE UNIFORM BUILDING CODE CONCERNING LIFE-SAFETY PROVISIONS FOR HIGH RISE RESIDENTIAL AND OFFICE BUILDINGS THE CITY COUNCIL OF THE CITY OF SANTA ANA DOES ORDAIN AS FOLLOWS: Section 1: The Santa Ana Municipal Code is hereby amended by adding a section to be numbered Section 8-158, which said section reads as follows: Section 8-158. Special Life-Safety Provisions for High Rise Residential and Office Buildings. Chapter 17 of the Building Code is amended by adding a section to be numbered Section 1715 to read as follows: Section 1715. Special Provisions For Group F, Division 2 Office Buildings and Group H Occupancies. (a.) Scope. The requirements herein apply to build- ings housing Group F, Division 2 Occupancies used primarily as offices and to Group H. Occupancies. Such buildings having floors used for human occupancy located more than 75 feet above grade shall conform to the requirements of this Section in addition to other applicable requirements of this Code. (b.) Compartmentation. Compartmentation shall be provided in every building to provide areas of refuge for the building occupants. This may be provided by; 1. Horizontal exits dividing a story into two or more areas of approximately the same size not exceeding 30,000 square feet. 2. Subdividing the building into five story compartments by interrupting the stairshaft with smoke barriers every fifth floor or through the use of smokeproof enclosures for all stairways or any other method which will protect against the movement of smoke from one compartment to another. Openings in exterior walls, located vertically above one another, shall be protected by approved flame barriers extending 30 inches beyond the exterior wall in the plane of the floor or by vertical panels not less than 3 feet in height. -1-