Section 502 Fire Hazard Severity

The fire hazard severity of building sites for buildings hereafter constructed, modified or relocated into wildland-urban interface areas shall be established in accordance with Table 502.1. See also Appendix C.

TABLE 502.1 FIRE HAZARD SEVERITY

FUEL MODELb	CRITICAL FIRE WEATHER FREQUENCY
	≤ 1 Daya			2 to 7 daysa			≥ 8 daysa
	Slope (%)			Slope (%)			Slope (%)
	≤ 40	41-60	≥ 61	≤ 40	41-60	≥ 61	≤ 40	41-60	≥ 61
Light fuel	M	M	M	M	M	M	M	M	H
Medium fuel	M	M	H	H	H	H	E	E	E
Heavy fuel	H	H	H	H	E	E	E	E	E

E = Extreme hazard;

H = High hazard;

M = Moderate hazard.

a. Days per annum.

b. Where required by the code official, fuel classification shall be based on the historical fuel type for the area.

The fire hazard severity identified in Table 502.1 is allowed to be reduced by implementing a vegetation management plan in accordance with Appendix B.