Section 302.1. Structure fires - Any fire in or on a building or other structure is considered a structure fire even if the structure itself was not damaged. A closely related meaning is the number of units in such a building that are rented, leased, or otherwise in use.Lack of occupancy, in this sense, is a "vacancy The National Fire Protection Association has unique fire alarm requirements for each occupancy type. As Defined by NFPA 101® Life Safety Code® & NFPA 5000™ Building Construction & Safety Code (2009) Classification of Occupancy (6.1) The occupancy of a building or structure, or portion of a building or structure, shall be classified as one of the following: to Assembly An occupancy (1) used for a gathering of 50 or more persons for A.5.2 of the NFPA 13 Appendix. Structures or portions of structures SHALL BE CLASSIFIED with respect to occupancy in one or more of the groups listed below.

An occupancy used for educational purposes through the twelfth grade by 6 or more persons for 4 or more hours per day or more than 12 hours per week. occupancies shall be defined as occupancies or portions of other occupancies where the quantity and combustibility of contents are very high and dust, lint, or other materials are present, introducing the probability of rapidly developing fires with high rates of heat release but with little or no combustible or flammable liquids. In accordance with NFPA, areas are typically classified as being light (low) hazard, ordinary (moderate) hazard, or extra (high) hazard. The International Codes (I-Codes) are the widely accepted, comprehensive set of model codes used in the US and abroad to help ensure the engineering of safe, sustainable, affordable and resilient structures. The International Code Council (ICC) is a non-profit organization dedicated to developing model codes and standards used in the design, build and compliance process. Light (low) hazard areas are locations where the quantity and combustibility of Class A combustibles and Class B flammables is low. The authority having jurisdiction (AHJ) determines occupancy classification and applies the Code in the manner deemed appropriate. 2007 NFPA Chapter 5 Classification of Occupancy Hazard 5.1.1 This chapter shall be used to determine the occupancy hazard classification number used in the calculation of water or combustibility of contents is expected to develop moderate supply requirements in Chapter 4. rates 5.1.2 Where more than one occupancy is present in a The National Fire Protection Association has unique fire alarm requirements for each occupancy type. Section 302.1. Mobile property used as a fixed structure, such as manufactured homes and portable buildings, are considered structures. Structure fires - Any fire in or on a building or other structure is considered a structure fire even if the structure itself was not damaged.

Occupancy classification is the formal designation of the primary purpose of the building, structure or portion thereof. NFPA 13, Standard for the Installation of Automatic Sprinkler Systems bases its fire control approach on occupancy hazards associated with specific occupancies: light, ordinary, extra hazard occupancy classifications. Since their inception in 1981, the Older editions of the I-Codes caused confusion here, because they listed police and fire stations under the laundry list for "B" occupancies. NFPA 101 . The commentary explained that these were often mixed use facilities, and the "B" referred to administrative areas only. As you guessed, each occupancy classification has its own fire alarm system requirements. The occupancy hazard rating is a way to classify an occupancy with a number that can be used in the formula to determine minimum water suppliesneeded for the structure. NFPA 101 is available to review online for free. An assortment of building occupancy examples are classified in Sec. Day-Care Occupancy Definition An occupancy in which 4 or more clients receive care, maintenance, and supervision, by other than their relatives or legal guardians, for less than 24hrs per day. More specifically, I have been asked “what is the occupancy classification of a facility growing or processing marijuana?” An occupancy used for educational purposes through the twelfth grade by 6 or more persons for 4 or more hours per day or more than 12 hours per week. QRFS details NFPA code for fire alarm initiation, occupant notification, and monitoring of educational, detention and correctional, assembly, mercantile, business, storage, and industrial facilities. Older editions of the I-Codes caused confusion here, because they listed police and fire stations under the laundry list for "B" occupancies. In the formula, the occupancy hazard number ranges from 3 through 7, and the occupancies with a greater hazard receive lower classification numbers. Mobile property used as a fixed structure, such as manufactured homes and portable buildings, are considered structures. It is the only document that covers life safety for new and existing structures.