Occupant Load Factors

Use Area per Occupant (sq.m.)
Assembly
Assembly without fixed seats (rows of chairs or standing) 0.65 net
Assembly without fixed seats (tables and chairs) 1.4 net
Assembly with fixed seats See Note
Business areas 9.3 gross
Educational Use
Classrooms 1.9 net
Shops and other vocational areas 4.6 net
Industrial areas 9.3 gross
Institutional
Sleeping areas 11.1 gross
Inpatient treatment and ancillary areas 22.3 gross
Outpatient area 9.3 gross
Resident housing areas 11.1 gross
Library
Reading rooms 4.6 net
Stack area 9.3 gross
Malls See
Mercantile
Basement and grade floor areas open to public 2.8 gross
Areas on other floors open to public 5.6 gross
Storage, stock, shipping area not open to public 27.9 gross
Parking garage (42.8.1.7)
No Requirements
Residential 18.6 gross
Restaurants (without fixed seats) 1.4 net
Restaurants (with fixed seats) See note
Storage area, Mechanical 27.9 gross
Occupant Load means the total number of persons that may occupy a workplace or portion of a place at any one time. The occupant load of a place is calculated by dividing the gross floor area of the place or portion of the place by the occupant load factor for that particular type of place occupancy. Information regarding the “Occupant load” is located in NFPA 101-2009, Life Safety Code, and in IFC-2009, International Fire Code

Notes:

  • These information is not complete and intended to be used as quick references only, always refer to NFPA or your local codes for complete information.
  • Here is the link to NFPA-101_Table 7.3.1.2.
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NFPA References

QCDD References

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