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FIRE PREVENTION & CODE

Building Occupancy Load & Egress Capacity Calculator

Determine maximum allowable occupant loads and minimum required exit capacity for assembly, commercial, educational, and residential buildings.

🚨 Active Fireground Emergency For active structural fires or life hazards, dial immediate emergency dispatch Call: 911 / 112

📋 Standard Operating Guidelines & Verification Protocol

Verified Standards

Verify full PPE compliance and secure personal accountability tags prior to entry. Confirm primary water supply established and verify uninterrupted supply line integrity. Coordinate tactical ventilation with interior fire attack nozzle advancement. Designate Rapid Intervention Team (RIT) equipped with dedicated hose line and rescue air pack. Execute regular Personnel Accountability Reports (PAR) every 15-20 minutes or after tactical shifts.

Egress Geometry & Life Safety Standards

Overcrowding represents one of the primary catalysts for catastrophic mass casualty events in nightclub and assembly fires. NFPA 101 establishes mandatory square footage allocations to ensure occupants can traverse corridors and doorways without crush conditions.

Occupant Load Factors (NFPA 101 Table 7.3.1.2)

Assembly (Concentrated - chairs only): 7 sq ft net per person
Assembly (Unconcentrated - tables and chairs): 15 sq ft net per person
Assembly (Standing space): 5 sq ft net per person
Business / Commercial Office: 150 sq ft gross per person
Educational (Classrooms): 20 sq ft net per person
Industrial / Manufacturing: 100 sq ft gross per person
Mercantile (Retail ground floor): 30 sq ft gross per person