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ORD Article 1, Chapter 5 Building Code 16-629- ATTACHMENT A <br />TABLE 404.2.4.1 <br /> PERFORMANCE CRITERIA FOR CBC LEVEL SEISMIC FORCES <br />OCCUPANCY <br />CATEGORY <br />(BASED ON CBC TABLE 1604.5) <br />PERFORMANCE LEVEL <br />FOR USE WITH <br />ASCE 41 BSE-1 <br />EARTHQUAKE HAZARD LEVEL <br />PERFORMANCE <br />LEVEL FOR USE WITH <br />ASCE 41 BSE-2 <br />EARTHQUAKE HAZARD LEVEL <br />I Life Safety (LS) Collapse Prevention (CP) <br />II Life Safety (LS) Collapse Prevention (CP) <br />III Note a Note a <br />IV Immediate Occupancy (IO) Life Safety (LS) <br />a. Acceptance criteria for Occupancy Category III shall be taken as 80 percent of the acceptance <br />criteria specified for Occupancy Category II performance levels, but need not be less than the acceptance criteria specified for Occupancy Category IV performance levels. <br />