Research Article
A Semantic Approach to Dynamic Path Planning for Fire Evacuation through BIM and IoT Data Integration
Table 3
Fire hazard rating table.
| Hazard level | Temperature (°C) | CO concentration (ppm) |
| Safe | <42 | <50 | Potentially dangerous | 42–50 | 50–200 | Dangerous | 50–80 | 200–2,000 | Lethal | >80 | >2,000 |
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