Introductory technical guidance for civil engineers, structural engineers and other professional engineers interested in seismic design criteria. Here is what is discussed: 1. GENERAL, 2. SEISMIC USE GROUPS, 3. SEISMIC DESIGN CATEGORIES, 4. REDUNDANCY, 5. OVERSTRENGTH, 6. COMBINATION OF LOAD EFFECTS, 7. PERFORMANCE LEVELS, 8. DESIGN GROUND MOTIONS, 9. PERFORMANCE OBJECTIVES, 10. MINIMUM REQUIREMENTS FOR ANALYTICAL PROCEDURES, 11. GENERAL DESIGN PROCEDURES, 12. PERFORMANCE OBJECTIVES FOR NONSTRUCTURAL SYSTEMS AND COMPONENTS.