Per NFPA 12, base flooding factor 1.15 kg/m³ for 34% design concentration (Class A surface). Add for openings.
Result
- CO₂ mass
- 230 kg
- Equivalent cylinders (45 kg)
- 6
- Warning
- Lethal in occupied spaces — pre-discharge alarm + lockout required
Formula: m = V × 1.15 kg/m³ × adjust
Reference: NFPA 12 / ISO 6183
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