BS EN ISO 19900:2019,Petroleum and natural gas industries – General requirements for offshore structures.
BS EN ISO 19900:2019 specifies general requirements and recommendations for the design and assessment of bottom-founded (fixed) and buoyant (floating) offshore structures.
This document is applicable for all phases of the life of the structure, including:
— successive stages of construction (i.e. fabrication, transportation, and installation),
— service in-place, both during design life and during any life extensions, and
— decommissioning, and removal.
BS EN ISO 19900:2019 contains general requirements and recommendations for both the design of new build structures and for the structural integrity management and assessment of existing structures.
The International Standards on offshore structures prepared by TC 67/SC 7 (i.e. 1S0 19900, the ISO 19901 series, IS0 19902, ISO 19903, 1$0 19904-1 the IS0 19905 series, 1S0 19906)constitute a common basis addressing design requirements and assessments of all types of offshore structures used by the petroleum and natural gas industries worldwide.
NOTE: These are sometimes referred to as the IS0 19900 series on offshore structures.
Through their application, the intention is to achieve adequate structural integrity and performance based on reliability levels appropriate for manned and unmanned offshore structures, whatever the nature or combination of the materials used.
Structural integrity is an overall concept comprising: models for describing actions, structural analyses, design rules, safety elements, workmanship, quality management, and national requirements.The implications involved in modifying one element, therefore, need to be considered in relation to all the elements and the overall reliability of the offshore structure.
The International Standards on offshore structures prepared by TC 67/SC 7 are intended to provide latitude in the choice of structural configurations, materials and techniques and to allow for innovative solutions. Sound engineering judgement is, therefore, necessary in the use of these documents.
The ISO 19901 series addresses particular aspects of the design, construction, and operation of offshore structures for the petroleum and natural gas industries. The provisions can be applicable to structures of different types, materials and operating environments.
In addition to the relationships between the”structure type “documents and the ISO 19901 series, there is also some interdependence among the”structure type”documents, in that one can reference another e.g. ISO 19906 on arctic offshore structures builds upon the requirements of IS0 19902 on fixed steel offshore structures.