Appendix B - Community Wildfire Assessment Rating System
| Community Design | Score |
|---|---|
| 1. Ingress/Egress Two or more primary roads One Road One-way road in, one way out |
1 3 5 |
| 2. Width of Primary Road >24 feet >20 feet and <24 feet <20 feet |
1 3 5 |
| 3. Accessibility Road grade 5% or less Road grade more than 5% |
1 3 |
| 4. Secondary Road Terminus Loop roads, cul-de-sac w/outside turning radius of 45’ or greater Dead-end roads 200’ or less in length Dead-end roads greater than 200’ |
1 3 5 |
| 5. Street Signs Present 90-100% Present 75-89% Present <75% |
1 3 5 |
| 6. Address Signage Present 90-100% Present 75-89% Present <75% |
1 3 5 |
| Existing Building Materials | Score |
|---|---|
| 1. Roofing Materials Non-combustible covering 90-100% Non-combustible covering 80-90% Non-combustible covering 70-80% Non-combustible <70% |
1 5 8 10 |
| 2. Siding Materials Non-combustible siding >75% Non-combustible siding <75% |
1 5 |
| 3. Unenclosed Features Less than 25% 25 - 50% >50% |
1 3 5 |
| Utilities | Score |
|---|---|
| Low risk of ignition Moderate risk of ignition High risk of ignition |
1 3 5 |
| Defensible Space | Score |
|---|---|
| 1. Average Lot Size 10 acres or larger 1 to 10 acres <1 acre |
1 3 5 |
| 2. Defensible Space 70% or more adequate 30-70% adequate <30% adequate |
1 7 15 |
| Fire Protection | Score |
|---|---|
| 1. Water Source 500 gpm hydrants within 500’ of structures 500 gpm hydrants or draft source within 1000 feet of structures Water source 20 minutes away roundtrip Water source > 45 minutes away roundtrip |
1 2 5 10 |
| 2. Fire Department Protection Within 5 Miles Career Department Combination Career/Volunteer Volunteer with Seasonal Staffing All Volunteer Department No Organized Department |
1 3 5 7 10 |
| Fire Behavior | Score |
|---|---|
| 1. Slope 8% or less 8% - 20% 20% - 30% >30% |
1 4 7 10 |
| 2. Aspect North or <8% slope East West South |
1 3 7 10 |
| 3. Fuels Light density Medium density High density |
1 3 5 |
| Situation #3 - Fine and/or sparse fuels surround structures; infrequent wind exposure; flat terrain with little slope and/or north aspect. No large wildland fire history and/or moderate fire occurrence. |
3 |
| Situation #2 - Moderate slopes; broken moderate fuels; some ladder fuels; composition of fuels is conducive to torching and spotting; conditions may lead to moderate suppression success; some fire history and/or moderate fire occurrence. |
7 |
| Situation #1 - Continuous fuels in close proximity to structures; composition of fuels is conducive to crown fires or high intensity surface fires; steep slopes; predominately south aspects; dense fuels; heavy duff; prevailing wind exposure and/or ladder fuels that may reduce suppression effectiveness; history of some large fires and/or moderate fire occurrence. |
10 |