API RP 2A-LRFD (Recommended Practice) is the American Petroleum Institute’s LRFD-based recommended practice for the design of fixed offshore platforms. The 2019 edition provides limit-state design guidance using Load and Resistance Factor Design (LRFD) principles adapted for offshore structures subjected to environmental loads (wave, wind, current), geotechnical conditions, and operational loads. It is intended for steel jacket and deck structures and complements API RP 2A-WSD (working stress design).
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The 2019 version of API RP 2A-LRFD is not a minor revision. It reflects lessons learned from catastrophic hurricane events (e.g., Hurricanes Katrina, Rita, Ike) and advances in metocean science. Key updates introduced in the 2019 edition include: