本文件规定了适用于石油和天然气行业的以下类型固定式海上钢结构的要求并提供了建议: ? 独立式和支撑式沉箱； ? 夹克； ? 单塔； ? 塔。 此外，它还适用于顺应式底部基础结构、钢制重力结构、自升式平台、其他底部基础结构以及与海洋结构物相关的其他结构物（如水下储油罐、桥梁和连接结构物）。 本文件包含新结构的设计、制造、运输和安装的规划和工程要求，以及未来拆除的相关要求。 注1:ISO 19906给出了北极环境中固定式海上钢结构设计的具体要求。 注2:ISO 19901-3给出了上部结构的要求；对于海上作业，ISO 19901-6；ISO 19901-9中的结构完整性管理和ISO 19905-1中的自升式平台现场特定评估。

This document specifies requirements and provides recommendations applicable to the following types of fixed steel offshore structures for the petroleum and natural gas industries: ? caissons, free-standing and braced; ? jackets; ? monotowers; ? towers. In addition, it is applicable to compliant bottom founded structures, steel gravity structures, jack-ups, other bottom founded structures and other structures related to offshore structures (such as underwater oil storage tanks, bridges and connecting structures). This document contains requirements for planning and engineering of the design, fabrication, transportation and installation of new structures as well as, if relevant, their future removal. NOTE 1 Specific requirements for the design of fixed steel offshore structures in arctic environments are presented in ISO 19906. NOTE 2 Requirements for topsides structures are presented in ISO 19901-3; for marine operations in, ISO 19901？6; for structural integrity management, in ISO 19901-9 and for the site-specific assessment of jack-ups, in ISO 19905？1.