Table 2: Load cases used for sliding stability analysis Case Loads Type Scenario Dam Soil Traffic Silt Water Uplift Ice EQ Usual Normal operation • • • • Normal pool • Normal operation plus ice • • • • Normal pool • • Unusual 100 year flood • • • • 100 year flood • Extreme Normal operation w/ peak ground acceleration (PGA) • • • • Normal pool • • ½ Probable maximum flood (PMF • • • • ½ PMF •