Corridor Width

OCCUPANCY TYPE (new building)	CODE REF.	MINIMUM CORRIDOR WIDTH
AMBULATORY (Sprinklered or Not Sprinklered)	(20.2.3.2)	1120 mm.
BUSINESS (Sprinklered or Not Sprinklered)	(38.2.3.2)	1120 mm. serving occupant load > 50, 900 mm. serving occupant load < 50
HEALTHCARE	(18.2.3.4)	2440 mm. on hospital and nursing homes 1120 mm. on other areas
EDUCATIONAL	(14.2.3.2)	1830 mm.
ONE & TWO FAMILY DWELLINGS	(-)	No Requirement
HOTELS AND DORMITORIES	(28.2.3.3)	1120 mm.
APARTMENTS	(30.2.3.3)	1120 mm. serving occupant load > 50
MERCANTILE	(7.3)	Compute width based on egress capacity factor. (see table below)
STORAGE	(7.3)	Compute width based on egress capacity factor. (see table below)

image source: HCare Facilities Today

Notes:

Code Reference used is NFPA-101 2012 edition unless otherwise noted.
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.

Table 7.3.3.1 Egress Capacity Factors
	Stairways (width per person)	Ramps, Aisles and Corridors (width per person)
Area	mm	mm

Board and Care	10	5
Health Care (sprinklered)	7.6	5
Health Care (nonsprinklered)	15	13
High Hazard Contents	18	10
All Others	7.6	5

Data below extracted from page 204 of UAE Fire and Life Safety Code (for ASSEMBLY occupancy)..

see also DOOR SWING ENCROACHMENT