Color profile: Generic CMYK printer profile Composite Default screen 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 301.1 Scope. The provisions of this chapter shall control the clas- to another occupancy shall be classified as a Group B sification of all buildings and structures as to use and occupancy. occupancy or as part of that occupancy. 3. A room or space used for assembly purposes that is 2 SECTION 302 less than 750 square feet (70 m ) in area and accessory CLASSIFICATION to another occupancy shall be classified as a Group B occupancy or as part of that occupancy. 302.1 General. Structures or portions of structures shall be clas- sified with respect to occupancy in one or more of the groups 4. Assembly areas that are accessory to Group E occu- listed below. A room or space that is intended to be occupied at pancies are not considered separate occupancies different times for different purposes shall comply with all of the except when applying the assembly occupancy requirements that are applicable to each of the purposes for requirements of Chapter 11. which the room or space will be occupied. Structures with multi- 5. Accessory religious educational rooms and religious ple occupancies or uses shall comply with Section 508. Where a auditoriums with occupant loads of less than 100 are structure is proposed for a purpose that is not specifically pro- not considered separate occupancies. vided for in this code, such structure shall be classified in the Assembly occupancies shall include the following: group that the occupancy most nearly resembles, according to the fire safety and relative hazard involved. A-1 Assembly uses, usually with fixed seating, intended for the production and viewing of the performing arts or 1. Assembly (see Section 303): Groups A-1, A-2, A-3, motion pictures including, but not limited to: A-4 and A-5 Motion picture theaters 2. Business (see Section 304): Group B Symphony and concert halls 3. Educational (see Section 305): Group E Television and radio studios admitting an audience 4. Factory and Industrial (see Section 306): Groups F-1 Theaters and F-2 A-2 Assembly uses intended for food and/or drink con- 5. High Hazard (see Section 307): Groups H-1, H-2, H-3, sumption including, but not limited to: H-4 and H-5 Banquet halls 6. Institutional (see Section 308): Groups I-1, I-2, I-3 and Night clubs I-4 Restaurants Taverns and bars 7. Mercantile (see Section 309): Group M A-3 Assembly uses intended for worship, recreation or 8. Residential (see Section 310): Groups R-1, R-2, R-3 amusement and other assembly uses not classified else- and R-4 where in Group A including, but not limited to: 9. Special residence for assisted self-preservation (see Amusement arcades Appendix SR): Groups SR-1, SR-2, SR-3 and SR-4 Art galleries 10. Storage (see Section 311): Groups S-1 and S-2 Bowling alleys 11. Utility and Miscellaneous (see Section 312): Group U Community halls Courtrooms Dance halls (not including food or drink consump- SECTION 303 tion) ASSEMBLY GROUP A Exhibition halls 303.1 Assembly Group A. Assembly Group A occupancy Funeral parlors includes, among others, the use of a building or structure, or a Gymnasiums (without spectator seating) portion thereof, for the gathering of persons for purposes such Indoor swimming pools (without spectator seating) as civic, social or religious functions; recreation, food or drink Indoor tennis courts (without spectator seating) consumption or awaiting transportation. Lecture halls Libraries Exceptions: Museums 1. A building or tenant space used for assembly pur- Places of religious worship poses with an occupant load of less than 50 persons Pool and billiard parlors shall be classified as a Group B occupancy. Waiting areas in transportation terminals 2010 OREGON STRUCTURAL SPECIALTY CODE 27 1 M:\data\CODES\STATE CODES\Oregon\2010\Structural Specialty_Building\Final VP\03_OR_Structural_2010.vp Friday, January 08, 2010 12:05:18 PM Color profile: Generic CMYK printer profile Composite Default screen USE AND OCCUPANCY CLASSIFICATION A-4 Assembly uses intended for viewing of indoor sporting 2. The smoke control zone in which the lockup cells are events and activities with spectator seating including, located shall be provided with an automatic fire sprinkler but not limited to: system complying with Chapter 9 requirements for Arenas Group I-3 occupancies. Skating rinks 3. The smoke control zone in which the lockup area is Swimming pools located shall be provided with an automatic smoke Tennis courts detection system installed in accordance with the Fire A-5 Assembly uses intended for participation in or viewing Code Group I-3 occupancies. outdoor activities including, but not limited to: 4. The combined occupant load of the holding cells shall Amusement park structures not exceed five. Bleachers Grandstands Stadiums SECTION 305 EDUCATIONAL GROUP E 305.1 Educational Group E. Educational Group E occupancy SECTION 304 includes, among others, the use of a building or structure, or a BUSINESS GROUP B portion thereof, by six or more persons at any one time for edu- 304.1 Business Group B. Business Group B occupancy cational purposes through the 12th grade. Religious educa- includes, among others, the use of a building or structure, or a tional rooms and religious auditoriums, which are accessory to places of religious worship portion thereof, for office, professional or service-type transac- in accordance with Section 303.1 occupant loads tions, including storage of records and accounts. Business and have of less than 100, shall be classified as occupancies shall include, but not be limited to, the following: A-3 occupancies. Airport traffic control towers 305.2 Day care. The use of a building or structure, or portion thereof, for educational, supervision or personal care services Ambulatory health care facilities 1 Animal hospitals, kennels and pounds for more than five children older than 2 /2 years of age, shall be Banks classified as a Group E occupancy. Barber and beauty shops Car wash Civic administration SECTION 306 Clinic—outpatient FACTORY GROUP F Dry cleaning and laundries: pick-up and delivery stations 306.1 Factory Industrial Group F. Factory Industrial Group and self-service F occupancy includes, among others, the use of a building or Educational occupancies for students above the 12th grade structure, or a portion thereof, for assembling, disassembling, Electronic data processing fabricating, finishing, manufacturing, packaging, repair or pro- Laboratories: testing and research cessing operations that are not classified as a Group H hazard- Motor vehicle showrooms ous or Group S storage occupancy. Post offices 306.2 Factory Industrial F-1 Moderate-hazard Occupancy. Print shops Factory industrial uses which are not classified as Factory Professional services (architects, attorneys, dentists, physi- Industrial F-2 Low Hazard shall be classified as F-1 Moderate cians, engineers, etc.) Hazard and shall include, but not be limited to, the following: Radio and television stations Telephone exchanges Aircraft (manufacturing, not to include repair) Training and skill development not within a school or aca- Appliances demic program Athletic equipment Automobiles and other motor vehicles 304.1.1 Definitions. The following words and terms shall, Bakeries for the purposes of this section and as used elsewhere in this Beverages: over 16-percent alcohol content code, have the meanings shown herein. Bicycles CLINIC, OUTPATIENT. Buildings or portions thereof Boats used to provide medical care on less than a 24-hour basis to Brooms or brushes individuals who are not rendered incapable of self-preserva- Business machines tion by the services provided. Cameras and photo equipment Canvas or similar fabric 304.2 Lockup facilities. Buildings containing lockup facili- Carpets and rugs (includes cleaning) ties, as defined in ORS 169.005(4), shall comply with the fol- Clothing lowing provisions: Construction and agricultural machinery 1. Areas containing lockup facilities shall be separated Disinfectants from other rooms, spaces or areas by an approved smoke Dry cleaning and dyeing barrier (see Section 909.5). Electric generation plants 28 2010 OREGON STRUCTURAL SPECIALTY CODE 2 M:\data\CODES\STATE CODES\Oregon\2010\Structural Specialty_Building\Final VP\03_OR_Structural_2010.vp Friday, January 08, 2010 12:05:18 PM Color profile: Generic CMYK printer profile Composite Default screen USE AND OCCUPANCY CLASSIFICATION Electronics top of roofs or canopies shall be classified as outdoor storage or Engines (including rebuilding) use and shall comply with the Fire Code. Food processing Furniture Exceptions: The following shall not be classified as Group Hemp products H, but shall be classified as the occupancy that they most Jute products nearly resemble. ➡ Laundries Leather products 1. Buildings and structures occupied for the applica- Machinery tion of flammable finishes, provided that such build- Metals ings or areas conform to the requirements of Section Millwork (sash and door) 416 and the Fire Code. Motion pictures and television filming (without spectators) 2. Wholesale and retail sales and storage of flammable Musical instruments and combustible liquids in mercantile occupancies Optical goods conforming to the Fire Code. Paper mills or products Photographic film 3. Closed piping system containing flammable or Plastic products combustible liquids or gases utilized for the opera- Printing or publishing tion of machinery or equipment. Recreational vehicles 4. Cleaning establishments that utilize combustible Refuse incineration liquid solvents having a flash point of 140°F (60°C) Shoes or higher in closed systems employing equipment Soaps and detergents listed by an approved testing agency, provided that Textiles this occupancy is separated from all other areas of Tobacco the building by 1-hour fire barriers constructed in Trailers accordance with Section 707 or 1-hour horizontal Upholstering assemblies constructed in accordance with Section Wood; distillation 712, or both.