1. Importance Factors
• Essential Facilities (seismic)
• 1.25-1.5 Hazardous Facilities (seismic)
• 1.15 Wind (Essential & Hazardous)
• 1 Standard Facilities
2. Liquefaction
3. Near-source maps add additional factors into design
4. Seismic Zones 3 & 4 cover California