Understanding the required number of means of exit is critical for building safety and NFPA 101 compliance. This quick-reference table summarizes the minimum number of exits required for different occupancy types based on the Life Safety Code.
Always verify with your local authorities and the latest edition of NFPA 101 for complete requirements.
Required Number of Means of Exit by Occupancy Type
| Occupancy Type (New Building) | Code Reference | Number of Means of Exit |
|---|---|---|
| AMBULATORY (Sprinklered or Not Sprinklered) | (20.2.4 and 7.4) | Minimum Two (2) |
| ASSEMBLY (Sprinklered or Not Sprinklered) | (12.2.4 and 7.4) | Minimum Two (2) |
| BUSINESS (Sprinklered or Not Sprinklered) | (38.2.4 and 7.4) | Minimum Two (2) on every storey |
| HEALTHCARE | (18.2.4 and 7.4) | Minimum Two (2) on every storey |
| EDUCATIONAL | (14.2.4 and 7.4) (14.2.5.4) | Minimum Two (2) on every storey. Room shall have at least Two (2) doors if area > 93 sqm or Occupant Load > 50 persons. |
| ONE & TWO FAMILY DWELLINGS | (N/A) | No Requirements |
| HOTELS AND DORMITORIES | (28.2.4 and 7.4) | Minimum Two (2) on every storey |
| APARTMENTS | (30.2.4 and 7.4) | Minimum Two (2) |
| MERCANTILE | (36.2.4 and 7.4) | Minimum Two (2) on every storey |
| STORAGE | (42.2.4 and 7.4) | Single Exit allowed in Low hazard occupancy. Single Exit allowed in Ordinary hazard occupancy on condition that distance to exit is within the permitted Common Path of Travel distance. Minimum Two (2) if otherwise the above. |
| INDUSTRIAL | (40.2.4.1.1) | Minimum Two (2) on every storey and not less than one exit shall be reached without traversing another storey. |
NFPA 101 – 7.4.1.2
The number of Room Exits or Storey Exits, other than for existing buildings permitted in Chapters 12 through 42, shall be as follows:
| Occupant Load | Minimum Number of Exits |
|---|---|
| More than 500 but not more than 1000 | Not less than 3 |
| More than 1000 | Not less than 4 |
NFPA Xchange Community Discussions
For more insights and discussions on means of egress requirements, visit the NFPA Xchange community:
Disclaimer
-
Code Reference: NFPA 101 2012 edition unless otherwise noted.
-
Purpose: This information is not complete and is intended as a quick reference only. Always refer to the full NFPA 101 code or your local codes for complete and up-to-date requirements.
-
Professional Advice: This content is for informational purposes only and should not replace professional fire safety consultation or legal advice.