Classification of Occupancy

Assembly - Assembly occupancies include, but are not limited to, all buildings or portions of buildings, used for gathering together 50 or more persons for such purposes as deliberation, worship, entertainment, eating, drinking, amusement, or awaiting transportation.  Assembly occupancies include:

  • Assembly Halls
  • Auditoriums
  • College or University Classrooms, holding 50 or more persons
  • Conference rooms, Courtrooms
  • Libraries
  • Exhibition Halls
  • Restaurants or Food Service Facilities

Residential - Residential occupancies are those occupancies in which sleeping accommodations are provided for normal purposes and include all buildings designed to provide sleeping accommodations.  Residential occupancies include:

  • Dormitories
  • Apartments

Mercantile - Mercantile occupancies include stores, markets, and other rooms, buildings, or structures for the display and sale of merchandise.

Business - Business Occupancies are those used for the transaction of business (Other than covered under Mercantile), for the keeping of accounts and records, and other similar purposes.  Business Occupancies include:

College and University Instructional Buildings, Classrooms under 50 persons, and instructional Laboratories

  • Dentists' Offices
  • Doctors' Offices
  • General Offices
  • Laboratories for basic or applied research not including hazardous chemicals
    Outpatient clinics, Ambulatory

Industrial - Industrial occupancies include factories making products of such kinds and properties devoted to operations such as processing, assembling, mixing, packaging, finishing or decorating, and repairing.  Industrial occupancies include:

  • Laboratories involving hazardous chemicals

Storage - Storage occupancies include all buildings or structures utilized primarily for the storage or sheltering of goods, merchandise, products, vehicles, or animals.  Storage facilities include:

  • Parking Garages
  • Warehouses

Special Structures - Special structures that house occupancies include the occupancies from the preceding groups that are special structures or buildings, including:

  • Underground Structures
  • Windowless Structures

Such special buildings and structures conform to the requirements of the specific occupancy Chapters 8 trough 29 as modified by Chapter 30 of NFPA 101, the Life Safety Code.

Note:  The Life Safety Code does not classify University teaching buildings as Educational and therefore are not covered under the educational chapters.  University Buildings are classified in general as Business Occupancies.