Api Rp 2fb Pdf New May 2026

The old RP allowed equivalent static analysis (ESA) for blast. The new recommended practice strongly urges nonlinear dynamic analysis (NDA) for complex topsides. The PDF provides acceptance criteria for residual deformation (e.g., DAF reduction factors).

API 2F (now consolidated into API 2FPS) deals with the design of floating systems for in-place, tow, and installation loads. API RP 2FB is strictly fire and blast. api rp 2fb pdf new

NFPA 11 covers low-expansion foam; NFPA 15 covers water spray fixed systems. API RP 2FB integrates both into a performance-based structural protection framework. In practice, you design per NFPA for hardware but use API RP 2FB for fire curves and FRR requirements. The old RP allowed equivalent static analysis (ESA)


Fire is a temporal hazard, but blast is an impulsive hazard. API RP 2FB provides a rigorous framework for blast analysis, moving beyond simple equivalent static loads. Fire is a temporal hazard, but blast is an impulsive hazard