oSIST prEN ISO 19901-7:2024

SLOVENSKI STANDARD
01-december-2024
Naftna in plinska industrija, vključno z nizkoogljično energijo - Posebne zahteve za
naftne ploščadi - 7. del: Sistemi za vzdrževanje postaj na plavajočih strukturah in
premičnih enotah (ISO/DIS 19901-7:2024)
Oil and gas industries including lower carbon energy - Specific requirements for offshore
structures - Part 7: Station-keeping systems for floating offshore structures and mobile
offshore units (ISO/DIS 19901-7:2024)
Erdöl- und Erdgasindustrie - Spezielle Anforderungen an Offshore-Bauwerke - Teil 7:
Positions-Erhaltungssysteme für schwimmende Offshore-Bauwerke und mobile
Offshore-Einheiten (ISO/DIS 19901-7:2024)
Industries du pétrole et du gaz, y compris les énergies à faible teneur en carbone -
Exigences spécifiques relatives aux structures en mer - Partie 7: Systèmes de maintien
en position des structures en mer flottantes et des unités mobiles en mer (ISO/DIS
19901-7:2024)
Ta slovenski standard je istoveten z: prEN ISO 19901-7
ICS:
75.180.10 Oprema za raziskovanje, Exploratory, drilling and
vrtanje in odkopavanje extraction equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
International
Standard
ISO/DIS 19901-7
ISO/TC 67/SC 7
Oil and gas industries including
Secretariat: BSI
lower carbon energy — Specific
Voting begins on:
requirements for offshore
2024-10-16
structures —
Voting terminates on:
2025-01-08
Part 7:
Station-keeping systems for floating
offshore structures and mobile
offshore units
ICS: 75.180.10
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
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PUBLISHED AS SUCH.
This document is circulated as received from the committee secretariat.
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Reference number
ISO/DIS 19901-7:2024(en)
DRAFT
ISO/DIS 19901-7:2024(en)
International
Standard
ISO/DIS 19901-7
ISO/TC 67/SC 7
Oil and gas industries including
Secretariat: BSI
lower carbon energy — Specific
Voting begins on:
requirements for offshore
structures —
Voting terminates on:
Part 7:
Station-keeping systems for floating
offshore structures and mobile
offshore units
ICS: 75.180.10
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
INTERNATIONAL STANDARD UNTIL
PUBLISHED AS SUCH.
This document is circulated as received from the committee secretariat.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
© ISO 2024
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
STANDARDS MAY ON OCCASION HAVE TO
ISO/CEN PARALLEL PROCESSING
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BE CONSIDERED IN THE LIGHT OF THEIR
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Published in Switzerland Reference number
ISO/DIS 19901-7:2024(en)
ii
ISO/DIS 19901-7:2024(en)
Contents Page
Foreword .vi
Introduction .vii
1 Scope . 1
2 Normative references . 2
3 Terms, Definitions, Symbols, and Abbreviations . 3
3.1 Terms and Definitions .3
3.2 Symbols .11
3.3 Abbreviations . 12
4 Mooring hardware .13
4.1 General . 13
4.2 Off-vessel mooring line components .14
4.2.1 Anchors .14
4.2.2 Chain .14
4.2.3 Fibre rope.14
4.2.4 Steel wire rope . 15
4.2.5 Connecting hardware . 15
4.2.6 Buoys . . 15
4.2.7 Clump weights . 15
4.2.8 Mooring Connectors .16
4.2.9 Quick release connectors .16
4.2.10 Disconnectable turret buoy .16
4.3 On-vessel mooring line components .16
4.3.1 Fairleads .16
4.3.2 Bending shoes .16
4.3.3 Chain stoppers .16
4.3.4 Uni-joints .17
4.3.5 Turret .17
4.4 On-vessel tensioning equipment .17
4.5 Monitoring equipment .17
4.5.1 General .17
4.5.2 Line tension / Line Payout .18
4.5.3 Floating structure position and heading .18
5 Metocean and other site data .18
5.1 General .18
5.2 Metocean data .18
5.2.1 Wave data .18
5.2.2 Wind data .19
5.2.3 Current data.19
5.3 Bathymetry .19
5.4 Geotechnical and Geophysical data .19
5.5 Marine growth . 20
5.6 Physicochemical parameters . 20
5.7 Ice-related . 20
6 Design and site assessment of station-keeping systems .20
6.1 Fundamental Requirements . 20
6.2 Functional requirements . 20
6.3 Safety requirements .21
6.4 Planning requirements . 22
6.4.1 General . 22
6.4.2 Design basis . 22
6.4.3 Design Practices .
...