Norm

ISO/DIS 19901-7:2017 en

Aardolie- en aardgasindustrie - Specifieke eisen voor buitengaatse constructies - Deel 7: Stationbehoudsystemen voor drijvende buitengaatse constructies en mobiele buitengaatse eenheden op zee

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Over deze norm

Status Ontwerp
Aantal pagina's 188
Gepubliceerd op 11-11-2017
Taal Engels
This part of ISO 19901 specifies methodologies for a) the design, analysis and evaluation of stationkeeping systems for floating structures used by the oil and gas industries to support any combination of: 1) production, 2) storage, 3) offloading, 4) drilling and well intervention. b) the assessment of stationkeeping systems for site-specific applications of mobile offshore units and construction units. Most stationkeeping systems used with the class of floating structures covered by a) are termed “permanent mooring systems”, for which this part of ISO 19901 is applicable to all aspects of the life cycle and includes requirements relating to the manufacture of mooring components, as well as considerations for in-service inspections. Most stationkeeping systems used with mobile offshore units, the class covered by b), are termed “mobile mooring systems”. Throughout this part of ISO 19901, the term “floating structure”, sometimes shortened to “structure”, is used as a generic term to indicate any member of the two classes, a) and b). This part of ISO 19901 is applicable to the following types of stationkeeping systems, which are either covered directly in this part of ISO 19901 or through reference to other guidelines: spread moorings (catenary, taut-line and semi-taut-line moorings); single point moorings, anchored by spread mooring arrangements; dynamic positioning systems; thruster-assisted moorings. Descriptions of the characteristics and of typical components of these systems are given in Annex A. The requirements of this part of ISO 19901 mainly address spread mooring systems and single point mooring systems with mooring lines composed of steel chain and wire rope. This part of ISO 19901 also provides guidance on the application of the methodology to synthetic fibre rope mooring systems, and includes additional requirements related to the unique properties of synthetic fibre ropes. This part of ISO 19901 is applicable to single anchor leg moorings (SALMs) and other single point mooring systems (e.g. tower soft yoke systems) only to the extent to which the requirements are relevant. This part of ISO 19901 is not applicable to the vertical moorings of tension leg platforms (TLPs).

Details

ICS-code 75.180.10
Nederlandse titel Aardolie- en aardgasindustrie - Specifieke eisen voor buitengaatse constructies - Deel 7: Stationbehoudsystemen voor drijvende buitengaatse constructies en mobiele buitengaatse eenheden op zee
Engelse titel Petroleum and natural gas industries - Specific requirements for offshore structures - Part 7: Stationkeeping systems for floating offshore structures and mobile offshore units
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