Table 4 Risk classification table for flashover propensity (x), total heat release (y), and smoke toxicity potency hazard (z).
From: Moisture Content, Ignitability, and Fire Risk of Vegetation in Vertical Greenery Systems
| x (kW m−2 s−1) | y (MJ m−2) | z (m3 kg−1) | |||
|---|---|---|---|---|---|
| Classification | Range | Classification | Range | Classification | Range |
| Low | 0.1 to 1.0 | Very low | 0.1 to 1.0 | Low | 0.0 to 1.0 |
| Intermediate | 1.0 to 10 | Low | 1.0 to 10 | Intermediate | 1.0 to 10 |
| High | 10 to 100 | Intermediate | 10 to 100 | High | 10 to 100 |
| High | 100 to 1000 | Very high | >100 | ||