This document provides requirements and guidance for the structural design and/or assessment of floating offshore platforms used by the petroleum and natural gas industries to support the following functions: ?? production; ?? storage and/or offloading; ?? drilling and production; ?? production@ storage and offloading; ?? drilling@ production@ storage and offloading. NOTE 1 Floating offshore platforms are often referred to using a variety of abbreviations@ e.g. FPS@ FSU@ FPSO (see Clauses 3 and 4)@ in accordance with their intended mission. NOTE 2 In this document@ the term ??floating structure??@ sometimes shortened to ??structure??@ is used as a generic term to indicate the structural systems of any member of the classes of platforms defined above. NOTE 3 In some cases@ floating platforms are designated as ??early production platforms??. This term relates merely to an asset development strategy. For the purposes of this document@ the term ??production?? includes ??early production??. This document is not applicable to the structural systems of mobile offshore units (MOUs). These include@ among others@ the following: ?? floating structures intended primarily to perform drilling and/or well intervention operations (often referred to as MODUs)@ even when used for extended well test operations; ?? floating structures used for offshore construction operations (e.g. crane barges or pipelay barges)@ for temporary or permanent offshore living quarters (floatels)@ or for transport of equipment or products (e.g. transportation barges@ cargo barges)@ for which structures reference is made to relevant recognized classification society (RCS) rules. This document is applicable to all possible life-cycle stages of the structures defined above@ such as: ?? design@ construction and installation of new structures@ including requirements for inspection@ integrity management and future removal@ ?? structural integrity management covering inspection and assessment of structures in-service@ and ?? conversion of structures for different use (e.g. a tanker converted to a production platform) or re?use at different locations. The following types of floating structure are explicitly considered within the context of this document: a) ship-shaped structures and barges; b) semi-submersibles; c) spars; d) shallow-draught cylindrical structures. In addition to the structural types listed above@ this document covers other floating platforms intended to perform the above functions@ consisting of partially submerged buoyant hulls made up of any combination of plated and space frame components. These other structures can have a great range of variability in geometry and structural forms (e.g. tension leg platforms) and@ therefore@ can be only partly covered by the requirements of this document. In other cases@ specific requirements stated in this document can be found not to apply to all or part of a structure under consideration. NOTE 4 Requirements for topsides structures are presented in ISO 19901?3. In the above cases@ conformity with this document requires the design to be based upon its underpinning principles and to achieve a level of safety equivalent@ or superior@ to the level implicit in it. NOTE 5 The speed of evolution of offshore technology often far exceeds the pace at which the industry achieves substantial agreement on innovation in structural concepts@ structural shapes or forms@ structural components and associated analysis and design practices@ which are continuously refined and enhanced. On the other hand@ International Standards can only capture explicit industry consensus@ which requires maturation and acceptance of new ideas. Consequently@ advanced structural concepts can@ in some cases@ only be partly covered by the requirements of this document. This document is applicable to steel floating structures. The principles documented herein are@ however@ considered to be generally applicable to structures fabricated in materials other than steel.
EN ISO 19904-1:2019由CEN - European Committee for Standardization 发布于 2019-06-01，并于 2019-06-20 实施。
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