OCCUPANCY TYPE (new building)	CODE REF.	DEAD-END
AMBULATORY (Not Sprinklered)	(20.2.5 AND 38.2.5.2)	6 m.
AMBULATORY (Sprinklered)	(20.2.5 AND 38.2.5.2)	15 m.
ASSEMBLY (Sprinklered and Not Sprinklered)	(12.2.5.1.3)	6 m.
BUSINESS (Not Sprinklered)	(38.2.5.2.2)	6 m.
BUSINESS (Sprinklered)	(38.2.5.2.1)	15 m.
HEALTHCARE (Sprinklered and Not Sprinklered)	(18.2.5.2)	9 m.
EDUCATIONAL (Not Sprinklered)	(14.2.5.2)	6 m.
EDUCATIONAL (Sprinklered	(14.2.5.2)	15 m.
ONE & TWO FAMILY DWELLINGS	(-)	No Requirement
HOTELS AND DORMITORIES (Not Sprinklered)	(Table A.7.6)	10.7 m.
HOTELS AND DORMITORIES (Sprinklered)	(Table A.7.6)	15 m.
APARTMENTS (Not Sprinklered)	(Table A.7.6)	10.7 m.
APARTMENTS (Sprinklered)	(Table A.7.6)	15 m.
MERCANTILE (Not Sprinklered)	(Table A.7.6)	6 m.
MERCANTILE (Sprinklered)	(Table A.7.6)	15 m.
STORAGE (Sprinklered and Not Sprinklered)	(Table A.7.6)	15 m.
STORAGE	(Table 42.2.5)	(see Table 42.2.5 for Arrangement of means of exit)
INDUSTRIAL	(Table 40.2.5)	Refer to Table 40.2.5

A dead end exists where an occupant enters a corridor thinking there is an exit at the end and, finding none, is forced to go back to the path traveled to reach a choice of exit paths.

Exception {IBC 1017.3 (3)} A dead-end corridor shall NOT be limited in length where the length of the dead-end corridor is less than 2.5 times the least width of the dead end corridor

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.