Api Rp 2eq Pdf Updated

The "updated" approach in RP 2EQ shifts away from older, regional-only maps toward a more rigorous two-level design check:

As of the 2021 reaffirmation and the 2019 Addendum, the standard maintains a shift away from older seismic methods (like the 21st Edition of API 2A-WSD) toward a performance-based design approach. : api rp 2eq pdf updated