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`A ��t�' CHAPTER3 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- pancy. 3. A room or space used for assembly purposes that is less than 750 square feet(70 m2)in area and is acces- sory to another occupancy shall be classified as a SECTION 302 Group B occupancy or as part of that occupancy. CLASSIFICATION Assembly occupancies shall include the following: 3021 General. Structures or portions of structures shall be A-1 Assembly uses,usually with fixed seating,intended for classified with respect to occupancy in one or mare of the the production and viewing of the performing 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 with all of the requirements that are applicable to each of the Motion picture theaters purposes for which the room or space will be occupied.Struc- Symphony and concert halls tures with multiple occupancies or uses shall comply with Sec- Television and radio studios admitting an audience tion 508.Where a structure is proposed for a purpose that is not Theaters 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 neariy resem- sumption ineluding,but not limited to: bles,according to the fire safety and relative hazard involved. 1. Assembly (see Section 303): Groups A-1, A-2, A-3, Banquet halls A-4 and A-5 Night clubs 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 amusement 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 6. Institutional(see Section 308):Groups I-1,I-2,I-3 and Bowling alleys I-4 Places of religious worship � Community halls �• Mercantile(see Section 309): Group M Courtrooms 8• Residential (see Section 310): Groups R-1, R-2, R-3 �ance halls(not including food or drink consump- and R-4 tion) 9• Storage(see Section 3ll :Grou s S-1 and S-2 E�ibition halls � P 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 ' �3•1 Assembl p Museums °� includes, y Grou A. Assembly Group A occupancy Waiting areas in transportation ternunals among others,the use of a building or structure,or a Pool and billiard parlors pOnl�n thereof,for the gathering of persons for purposes such ��vic,social or religious functions;recreation,food or drink A-4 Assembly uses intended for viewing of indoor sporting a �onsumPt�on,or a�,aiting transportation. events and activities with spectator seating including, Exceptions• but not limited to: �� A building or tenant space used for assembl ur- Arenas poses with an occupant load of less than 50 er ons Skating rinks 5ha11 be classified as a Grou B occu anc p Swimming pools p P Y• Tennis courts 2�6�NTERNqT�ONAL BUILDING CODE�' 23