ADOPTS WITH AMENDMENTS:

NFPA 1, 2015

Heads up: There are no amended sections in this chapter.
The occupancy of a building or structure, or portion of a building or structure, shall be classified in accordance with 6.1.2 through 6.1.13. Occupancy classification shall be subject to the ruling of the AHJ where there is a question of proper classification in any individual case. [101: 6.1.1.1]
Occupancies in special structures shall conform to the requirements of Section 20.16. [101: 6.1.1.2]
For requirements, see Section 20.1. [101: 6.1.2]
An occupancy (1) used for a gathering of 50 or more persons for deliberation, worship, entertainment, eating, drinking, amusement, awaiting transportation, or similar uses; or (2) used as a special amusement building, regardless of occupant load. [101: 6.1.2.1]
For requirements, see Section 20.2. [101: 6.1.3]
An occupancy used for educational purposes through the twelfth grade by six or more persons for 4 or more hours per day or more than 12 hours per week. [101: 6.1.3.1]
Other occupancies associated with educational institutions shall be in accordance with the appropriate parts of this Code and NFPA 101. [101: 6.1.3.2]
In cases where instruction is incidental to some other occupancy, the section of this Code and NFPA 101 governing such other occupancy shall apply. [101: 6.1.3.3]
For requirements, see Section 20.3. [101: 6.1.4]
An occupancy in which four or more clients receive care, maintenance, and supervision, by other than their relatives or legal guardians, for less than 24 hours per day. [101: 6.1.4.1]
For requirements, see Section 20.4. [101: 6.1.5]
An occupancy used to provide medical or other treatment or care simultaneously to four or more patients on an inpatient basis, where such patients are mostly incapable of self-preservation due to age, physical or mental disability, or because of security measures not under the occupants' control. [101: 6.1.5.1]
For requirements, see Section 20.6. [101: 6.1.6]
An occupancy used to provide services or treatment simultaneously to four or more patients that provides, on an outpatient basis, one or more of the following:
  1. Treatment for patients that renders the patients incapable of taking action for self-preservation under emergency conditions without the assistance of others
  2. Anesthesia that renders the patients incapable of taking action for self-preservation under emergency conditions without the assistance of others
  3. Emergency or urgent care for patients who, due to the nature of their injury or illness, are incapable of taking action for self-preservation under emergency conditions without the assistance of others [101: 6.1.6.1]
For requirements, see Section 20.7. [101: 6.1.7]
An occupancy used to house one or more persons under varied degrees of restraint or security where such occupants are mostly incapable of self-preservation because of security measures not under the occupants' control. [101: 6.1.7.1]
Within detention and correctional facilities, uses other than residential housing shall be in accordance with the appropriate chapter of this Code and NFPA 101. (See 22.1.2.3 and 23.1.2.3 of NFPA 101.) [101: 6.1.7.2]
For requirements, see Sections 20.5 and 20.8 through 20.11. [101: 6.1.8]
An occupancy that provides sleeping accommodations for purposes other than health care or detention and correctional. [101: 6.1.8.1]
A building that contains not more than two dwelling units with independent cooking and bathroom facilities. [101: 6.1.8.1.1]
A building or portion thereof that does not qualify as a one- or two-family dwelling, that provides sleeping accommodations for a total of 16 or fewer people on a transient or permanent basis, without personal care services, with or without meals, but without separate cooking facilities for individual occupants. [101: 6.1.8.1.2]
A building or groups of buildings under the same management in which there are sleeping accommodations for more than 16 persons and primarily used by transients for lodging with or without meals. [101: 6.1.8.1.3]
A building or a space in a building in which group sleeping accommodations are provided for more than 16 persons who are not members of the same family in one room, or a series of closely associated rooms, under joint occupancy and single management, with or without meals, but without individual cooking facilities. [101: 6.1.8.1.4]
A building or portion thereof containing three or more dwelling units with independent cooking and bathroom facilities. [101: 6.1.8.1.5]
For requirements, see Section 20.5. [101: 6.1.9]
An occupancy used for lodging and boarding of four or more residents, not related by blood or marriage to the owners or operators, for the purpose of providing personal care services. [101: 6.1.9.1]
For requirements, see Section 20.12. [101: 6.1.10]
An occupancy used for the display and sale of merchandise. [101: 6.1.10.1]
For requirements, see Section 20.13. [101: 6.1.11]
An occupancy used for the transaction of business other than mercantile. [101: 6.1.11.1]
For requirements, see Section 20.14. [101: 6.1.12]
An occupancy in which products are manufactured or in which processing, assembling, mixing, packaging, finishing, decorating, or repair operations are conducted. [101: 6.1.12.1]
For requirements, see Section 20.15. [101: 6.1.13]
An occupancy used primarily for the storage or sheltering of goods, merchandise, products, vehicles, or animals. [101: 6.1.13.1]
Multiple occupancies shall comply with the requirements of 6.1.14.1 and one of the following:
  1. Mixed occupancies6.1.14.3
  2. Separated occupancies6.1.14.4 [101: 6.1.14.1.1]
Where exit access from an occupancy traverses another occupancy, the multiple occupancy shall be treated as a mixed occupancy. [101: 6.1.14.1.2]
Where incidental to another occupancy, areas used as follows shall be permitted to be considered part of the predominant occupancy and shall be subject to the provisions of this Code and NFPA 101 that apply to the predominant occupancy:
  1. Mercantile, business, industrial, or storage use
  2. *Nonresidential use with an occupant load fewer than that established by Section 6.1 for the occupancy threshold [101: 6.1.14.1.3]
A building or structure in which two or more classes of occupancy exist. [101: 6.1.14.2.1]
A multiple occupancy where the occupancies are intermingled. [101: 6.1.14.2.2]
A multiple occupancy where the occupancies are separated by fire resistance-rated assemblies. [101: 6.1.14.2.3]
Each portion of the building shall be classified as to its use in accordance with Section 6.1. [101: 6.1.14.3.1]
The building shall comply with the most restrictive requirements of the occupancies involved unless separate safeguards are approved. [101: 6.1.14.3.2]
(See also 6.1.14.4.2.) [101: 6.1.14.4]
Where separated occupancies are provided, each part of the building comprising a distinct occupancy, as described in this chapter, shall be completely separated from other occupancies by fire-resistive assemblies as specified in 6.1.14.4.2, 6.1.14.4.3, and Table 6.1.14.4.1(a) and Table 6.1.14.4.1(b), unless separation is provided by approved existing separations or as otherwise permitted by 6.1.14.4.6. [101: 6.1.14.4.1]

Table 6.1.14.4.1(a) Required Separation of Occupancies (hours),† Part 1

Occupancy Assembly ≤300 Assembly >300 to ≤1000 Assembly >1000 Educational Day-Care >12 Clients Day-Care Homes Health Care Ambulatory Health Care Detention & Correctional One- & Two-Family Dwellings Lodging or Rooming Houses Hotels & Dormitories
Assembly ≤300 0 0 2 2 1 2 2 2 2 2 2
Assembly >300 to ≤1000 0 0 2 2 2 2 2 2 2 2 2
Assembly >1000 0 0 2 2 2 2 2 2 2 2 2
Educational 2 2 2 2 2 2 2 2 2 2 2
Day-Care >12 Clients 2 2 2 2 1 2 2 2 2 2 2
Day-Care Homes 1 2 2 2 1 2 2 2 2 2 2
Health Care 2 2 2 2 2 2 2 2 2 2 2
Ambulatory Health Care 2 2 2 2 2 2 2 2 2 2 2
Detention & Correctional 2 2 2 2 2 2 2 2 2 2 2
One- & Two-Family Dwellings 2 2 2 2 2 2 2 2 2 1 1
Lodging or Rooming Houses 2 2 2 2 2 2 2 2 2 1 1
Hotels & Dormitories 2 2 2 2 2 2 2 2 2 1 1
Apartment Buildings 2 2 2 2 2 2 2 2 2 1 1 1
Board & Care, Small 2 2 2 2 2 2 2 2 2 1 2 2
Board & Care, Large 2 2 2 2 2 2 2 2 2 2 2 2
Mercantile 2 2 2 2 2 2 2 2 2 2 2 2
Mercantile, Mall 2 2 2 2 2 2 2 2 2 2 2 2
Mercantile, Bulk Retail 3 3 3 3 3 3 2 2 2 3 3 3
Business 1 2 2 2 2 2 2 1 2 2 2 2
Industrial, General Purpose 2 2 3 3 3 3 2 2 2 2 2 2
Industrial, Special-Purpose 2 2 2 3 3 3 2 2 2 2 2 2
Industrial, High Hazard 3 3 3 3 3 3 2 2 NP 3 3 3
Storage, Low & Ordinary Hazard 2 2 3 3 3 2 2 2 2 2 2 2
Storage, High Hazard 3 3 3 3 3 3 2 2 NP 3 3 3

NP: Not permitted.

Minimum Fire Resistance Rating. The fire resistance rating is permitted to be reduced by 1 hour, but in no case to less than 1 hour, where the building is protected throughout by an approved automatic sprinkler system in accordance with NFPA 13 and supervised in accordance with 13.3.1.8.

The 1-hour reduction due to the presence of sprinklers in accordance with the single-dagger footnote is not permitted. [101: Table 6.1.14.4.1(a)]

Table 6.1.14.4.1(b) Required Separation of Occupancies (hours)†, Part 2

Occupancy Apartment Buildings Board & Care, Small Board & Care, Large Mercantile Mercantile, Mall Mercantile, Bulk Retail Business Industrial, General Purpose Industrial, Special Purpose Industrial, High Hazard Storage, Low & Ordinary Hazard Storage, High Hazard
Assembly ≤300 2 2 2 2 2 3 1 2 2 3 2 3
Assembly >300 to ≤1000 2 2 2 2 2 3 2 2 2 3 2 3
Assembly >1000 2 2 2 2 2 3 2 3 2 3 3 3
Educational 2 2 2 2 2 3 2 3 3 3 3 3
Day-Care >12 Clients 2 2 2 2 2 3 2 3 3 3 3 3
Day-Care Homes 2 2 2 2 2 3 2 3 3 3 2 3
Health Care 2 2 2 2 2 2 2 2 2 2 2 2
Ambulatory Health Care 2 2 2 2 2 2 1 2 2 2 2 2
Detention & Correctional 2 2 2 2 2 2 2 2 2 NP 2 NP
One- & Two-Family Dwellings 1 1 2 2 2 3 2 2 2 3 2 3
Lodging or Rooming Houses 1 2 2 2 2 3 2 2 2 3 2 3
Hotels & Dormitories 1 2 2 2 2 3 2 2 2 3 2 3
Apartment Buildings 2 2 2 2 3 2 2 2 3 2 3
Board & Care, Small 2 1 2 2 3 2 3 3 3 3 3
Board & Care, Large 2 1 2 2 3 2 3 3 3 3 3
Mercantile 2 2 2 0 3 2 2 2 3 2 3
Mercantile, Mall 2 2 2 0 3 2 3 3 3 2 3
Mercantile, Bulk Retail 3 3 3 3 3 2 2 2 3 2 2
Business 2 2 2 2 2 2 2 2 2 2 2
Industrial, General Purpose 2 3 3 2 3 2 2 1 1 1 1
Industrial, Special-Purpose 2 3 3 2 3 2 2 1 1 1 1
Industrial, High Hazard 3 3 3 3 3 3 2 1 1 1 1
Storage, Low & Ordinary Hazard 2 3 3 2 2 2 2 1 1 1 1
Storage, High Hazard 3 3 3 3 3 2 2 1 1 1 1

NP: Not permitted.

Minimum Fire Resistance Rating. The fire resistance rating is permitted to be reduced by 1 hour, but in no case to less than 1 hour, where the building is protected throughout by an approved automatic sprinkler system in accordance with NFPA 13 and supervised in accordance with 13.3.1.8.

The 1-hour reduction due to the presence of sprinklers in accordance with the single-dagger footnote is not permitted. [101: Table 6.1.14.4.1(b)]

Occupancy separations shall be classified as 3-hour fire resistance-rated, 2-hour fire resistance-rated, or 1-hour fire resistance-rated and shall meet the requirements of Chapter 8 of NFPA 101. [101: 6.1.14.4.2]
The fire resistance rating specified in Table 6.1.14.4.1(a) and Table 6.1.14.4.1(b) shall be permitted to be reduced by 1 hour, but in no case shall it be reduced to less than 1 hour, where the building is protected throughout by an approved automatic sprinkler system in accordance with NFPA 13 and supervised in accordance with 13.3.1.8, unless prohibited by the double-dagger footnote entries in the tables. [101: 6.1.14.4.3]
Occupancy separations shall be vertical, horizontal, or both or, when necessary, of such other form as required to provide complete separation between occupancy divisions in the building. [101: 6.1.14.4.4]
Each separated portion of the building shall comply with the requirements for the occupancy therein. [101: 6.1.14.4.5]
Where permitted in Chapters 11 through 43 of NFPA 101, atrium walls shall be permitted to serve as part of the separation required by 6.1.14.4.1 for creating separated occupancies on a story-by-story basis, provided all of the following are met:
  1. The atrium is separated from adjacent areas by walls that are smoke partitions in accordance with Section 8.4 of NFPA 101.
  2. Doors in the smoke partitions required by 6.1.14.4.6(1) are equipped with positive latching hardware.
  3. The atrium meets the provisions of 8.6.7 of NFPA 101 that are applicable to new atriums. [101: 6.1.14.4.6]
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