4. Risk Assessment 4.1 Slope Stability Presentation PPT 4.2 Pipe-Soil Interaction (PSI) Presentation PPT 4.3 Bayesian Network (BN) 4.4 Fatigue SCF: Stress Concentration Factor (API RP 2A-WSD 8.3) S-N curves (API RP 2A-WSD 8.4) M&K in T-N curve (API RP 2SK 6 Table3) Safety Factors (API RP 2SK 6 Table7) Vortex-induced Vibration (VIV) (API RP 2T 6 & 10) 4.5 Corrosion