Table 5 Risk matrices for flashover propensity (x), total heat release (y), and smoke toxicity potency hazard (z). VL = very low risk, L = low risk, M = intermediate risk, and H = high risk.
From: Moisture Content, Ignitability, and Fire Risk of Vegetation in Vertical Greenery Systems
Hedera helix | Peperomia obtusifolia | Aglaonema commutatum | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
(a) Flashover propensity ( x ) | ||||||||||||||
MC (%) | Radiative heat flux (kW m−2) | MC (%) | Radiative heat flux (kW m−2) | MC (%) | Radiative heat flux (kW m−2) | |||||||||
20 | 35 | 50 | 60 | 20 | 35 | 50 | 60 | 20 | 35 | 50 | 60 | |||
51 to 350 | L | L | L | L | 201 to 1400 | L | L | L | L | 351 to 1200 | L | L | L | L |
26 to 50 | L | M | M | H | 51 to 200 | L | L | L | L | 151 to 350 | L | L | M | H |
14 to 25 | M | M | H | H | 26 to 50 | M | M | H | H | 29 to 150 | M | M | H | H |
11 to 13 | M | H | H | H | 22 to 25 | M | H | H | H | |||||
(b) Total heat release ( y ) | ||||||||||||||
MC (%) | Radiative heat flux (kW m−2) | MC (%) | Radiative heat flux (kW m−2) | MC (%) | Radiative heat flux (kW m−2) | |||||||||
20 | 35 | 50 | 60 | 20 | 35 | 50 | 60 | 20 | 35 | 50 | 60 | |||
250 to 350 | VL | L | L | L | 1250 to 1400 | VL | VL | L | L | 800 to 200 | VL | VL | L | L |
11 to 250 | L | L | L | L | 700 to 1250 | VL | L | L | L | 650 to 800 | VL | L | L | L |
22 to 700 | L | L | L | L | 29 to 650 | L | L | L | L | |||||
(c) Smoke toxicity potency hazard ( z ) | ||||||||||||||
MC (%) | Radiative heat flux (kW m−2) | MC (%) | Radiative heat flux (kW m−2) | MC (%) | Radiative heat flux (kW m−2) | |||||||||
20 | 35 | 50 | 60 | 20 | 35 | 50 | 60 | 20 | 35 | 50 | 60 | |||
11 to 350 | L | L | L | L | 22 to 1400 | L | L | L | L | 29 to 1200 | L | L | L | L |