Dead-End Corridor Length Checker Calculator

Check dead-end corridor length limits per NFPA 101 and IBC Section 1020.4

Input Parameters

Results

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Max Dead-End Length Allowed
ft
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Compliance Status
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Safety Margin
ft
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Code Reference
Note: Dead-end corridor limits per IBC 1020.4 and NFPA 101. Dead-end measured from the entrance of the dead-end to the point of access to two remote exits. Sprinkler credit applies only with NFPA 13 system throughout.

Reference

IBC 1020.4 Dead-End Corridor Limits: Business (B): 20 ft (50 ft sprinklered) Assembly (A): 20 ft Educational (E): 20 ft (50 ft sprinklered) Healthcare (I-2): 20 ft (50 ft sprinklered) High Hazard (H): 0 ft (no dead ends) Residential (R): 20 ft (50 ft sprinklered) NFPA 101 Table 7.5.1.4.1: Similar limits by occupancy