Yes, in principle. However, onshore plants often use NFPA or CCPS guidelines. RP 2FB accounts for offshore motions and salt corrosion, so it’s conservative for onshore.
Legally, no—API RPs are voluntary. However, BSEE and HSE inspectors will ask for evidence that you "followed recognized good practice." Not following RP 2FB without justification is risky. Api Rp 2fb Pdf
The following article explores the scope, importance, and technical applications of this standard. 🏗️ Understanding the Purpose of API RP 2FB Yes, in principle
