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适用范围：ISO 15926-2:2003 specifies a conceptual data model for computer representation of technical information about process plants. The information required by the following activities is within the scope of ISO 15926-2:2003: specification of requirements to produce, process, and transport process materials; specification of functions required to produce and process the required materials, including the following: hydrocarbon process and conditioning systems, injected gas and water conditioning and injection systems, oil and gas product transport systems, safety and control systems, electricity generation and supply systems, steam generation and supply systems, structures, buildings and accommodation; specification and selection of materials and equipment to provide the required production and processing functions, including information about market available materials and equipment; installation and commissioning of plant equipment; production and process operations, including process conditions and consumption, yields and quality of process material; maintenance and replacement of equipment. The following activities are outside the scope of ISO 15926-2:2003: construction of buildings, production facilities and equipment. ISO 15926-2:2003 is a part of ISO 15926, an International Standard for the representation of process plant life-cycle information. This representation is specified by a generic, conceptual data model designed to be used in conjunction with reference data: standard instances that represent information common to a number of users, process plants, or both. The use and definition of reference data for process plants is the subject of Parts 4, 5 and 6 of ISO 15926.