Horizontal Exit Area of Refuge Calculator

Calculate horizontal exit area of refuge requirements per IBC 1026 and NFPA 101 Section 7.2.4

Input Parameters

Results

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Required Refuge Area
sq ft
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Area per Person Required
sq ft
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Max Occupants in Refuge
persons
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Compliance Status
Note: Horizontal exit per IBC Section 1026 and NFPA 101 Section 7.2.4. Each side of horizontal exit must have independent exits. Fire wall must be 2-hour minimum. Self-closing fire doors required with 90-min rating per IBC 1026.3.

Reference

IBC 1026.4: Min 3 sq ft net floor area per person in refuge area NFPA 101 7.2.4.3.2: 3 sq ft/person (ambulatory), 30 sq ft/wheelchair IBC 1026.2: Min 2-hour fire wall for horizontal exit IBC 1026.3: Opening protectives - 1.5-hour rating (90 min) required Refuge area must have independent exit to exterior