Api Rp 2eq Pdf Updated |work| Jun 2026

Establishing environmental criteria (wind, wave, current) and safety factors.

[Screening & Categorization] │ ▼ [Tier 1: Linear Metocean Check] ───► Passes? ──► [Fit for Purpose] │ No ▼ [Tier 2: Linear Simplified Seismic] ──► Passes? ──► [Fit for Purpose] │ No ▼ [Tier 3: Non-Linear Push-over/Time History] ──► Passes? ──► [Mitigation Required] Risk Categorization api rp 2eq pdf updated

Focuses on Accidental Limit State (ALS) to ensure reserve strength and energy dissipation, replacing the older "Ductility Level Earthquake" (DLE). Seismic Reserve Capacity ( cap C sub r ──► [Fit for Purpose] │ No ▼ [Tier

This is a safety-check phase. After designing for the ELE, the structure is verified to ensure it can survive a much rarer, more intense event known as the Abnormal Level Earthquake (ALE) without catastrophic collapse. For the ALE, the structure is expected to experience significant inelastic deformation (yielding), but it must have enough reserve strength and energy dissipation capacity to prevent a total failure that could lead to loss of life, environmental disaster, or loss of the asset. This event aligns with the older concept of a "Ductility Level Earthquake (DLE)". After designing for the ELE, the structure is

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When reviewing the PDF, engineers should pay close attention to several core modules that dictate the safety profile of a platform. Seismic Hazard Analysis