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CHAPTER 3 - - USE AND OCCUPANCY CLASSIFICATION SECTION 301 2. A room or space used for assembly purposes with an GENERAL occupant load of less than 50 persons and accessory to another occupancy shall be classified as a Group B 301.1 Scope. The provisions of this chapter shall control the occupancy or as part of that occupancy. classification of all buildings and structures as to use and occu- 3. A room or space used for assembly purposes that is pancy. less than 750 s uare feet 70 m2 q ( )in azea and is acces- sory to another occupancy shall be classi�ed as a SECTION 302 Group B occupancy or as part of that occupancy. CLASSIFICATION Assembly occupancies shall include the following: 302.1 General. Structures or portions of structures shall be A-1 Assembly uses,usually with fixed seating,intended far classified with respect to occupancy in one or more of the the production and viewing of the perfornung arts or groups listed below. A room or space that is intended to be motion pictures including,but not limited to: occupied at different times for different purposes shall comply Motion picture theaters with all of the requirements that are applicable to each of the Symphony and concert halls purposes for which the room or space will be occupied.Struc- Television and radio studios admitting an audience tures with multiple occupancies or uses shall comply with Sec- 'I'heaters tion 508.Where a structure is proposed for a purpose that is not specifically provided for in this code, such structure shall be A-2 Assembly uses intended for food and/or drink con- classified in the group that the occupancy most nearly resem- sumption including,but not limited to: bles,according to the fire safety and relative hazard involved. Banquet halls 1. Assembly (see Section 303): Groups A-1, A-2, A-3, Night clubs A-4 and A-5 Restaurants 2. Business(see Section 304): Group B Taverns and bars 3. Educational(see Section 305): Group E A-3 Assembly uses intended for worship, recreation or 4. Factory and Industrial (see Section 306): Groups F-1 �usement and other assembly uses not classified else- and F-2 where in Group A including,but not limited to: 5. High Hazard(see Section 307):Groups H-1,H-2,H-3, Amusement arcades H-4 and H-5 Art galleries Bowling alleys 6. Institutional(see Section 308):Groups I-1,I-2,I-3 and Places of religious worship � I-4 Community halls 7. Mercantile(see Section 309): Group M Courtrooms Dance halls(not including food or drink consump- 8. Residential (see Section 310): Groups R-1, R-2, R-3 tion) and R-4 Exhibition halls 9. Storage(see Section 311): Groups S-1 and S-2 Funeral parlors 10. Utility and Miscellaneous(see Section 312):Group U Gymnasiums(without spectator seating) Indoor swimming pools(without spectator seating) � Indoor tennis courts(without spectator seating) SECTION 303 Lecture halls ASSEMBLY GROUP A Libraries Museums 303.1 Assembly Group A. Assembly Group A occupancy Waiting areas in transportation terminals � includes,among others,the use of a building or structure,or a Pool and billiazd parlors portion thereof,for the gathering of persons for purposes such A-4 Assembly uses intended for viewing of indoor sporting as civic,social or religious functions;recreation,food or drink events and activities with spectator seating including, consumption;or awaiting transportation. but not limited to: Exceptions: Arenas 1. A building used for assembly purposes with an occu- Skating rinks pant load of less than 50 persons shall be classified as Swimming pools a Group B occupancy. Tennis courts 2006 INTERNATIONAL BUILDING CODE� 23