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OCCUPANCY <br />CATEGORY <br />(BASED ON CBC TABLE <br />1604.5) <br />PERFORMANCE <br />LEVEL <br />FOR USE WITH ASCE <br />31 <br />PERFORMANCE LEVEL <br />FOR USE WITH ASCE 41 <br />BSE-1 EARTHQUAKE <br />HAZARD LEVEL <br />I Life Safety (LS) Life Safety (LS) <br />II Life Safety (LS) Life Safety (LS) <br />III Note a, Note b Note a <br />IV Immediate Occupancy (IO) Immediate Occupancy (IO) <br />a. Acceptance criteria for Occupancy Category III shall be taken as 80 percent of the <br />acceptance criteria specified for Occupancy Category II performance levels, but need <br />not be less than the acceptance criteria specified for Occupancy Category IV <br />performance levels. b. For Occupancy Category III, the ASCE screening phase checklists shall be based on the life safety performance level. <br /> <br />404.3.1 Referenced Standards <br /> Standard Referenced Reference In Code <br />Number Title Section Number <br /> <br />ASCE 31-03 Seismic Evaluation of Existing Buildings 404.2.4.1, TABLE 404.2.4.1 <br /> 404.2.4.2, <br /> TABLE 404.2.4.2 <br /> <br />ASCE 41-06 Seismic Rehabilitation of Existing Buildings 404.2.4.1, Including Supplement No. 1 TABLE 404.2.4.1 <br /> 404.2.4.2, <br /> TABLE 404.2.4.2 <br /> <br />Section 7-5-200: CHANGE OF OCCUPANCY: SEISMIC. <br />Section 407 is amended as follows. <br /> <br />Section 407.1 Conformance. No change shall be made in the use or occupancy of any building <br />unless such building is made to comply with the requirements of the California Building Code for the use or occupancy. Changes in use or occupancy in a building or portion thereof shall be such <br />that the existing building is no less complying with the provisions of this code than the existing <br />building or structure was prior to the change. Subject to the approval of the building official, the use <br />or occupancy of existing buildings shall be permitted to be changed and the building is allowed to <br />be occupied for purposes in other groups without conforming to all of the requirements of this code for those groups, provided the new or proposed use is less hazardous, based on life and fire risk, than <br />the existing use. <br /> <br /> Section 407.1.1 Change in the character of use. A change in occupancy with no change of <br />occupancy classification shall not be made to any structure that will subject the structure to any