Petroleum and natural gas industries - Specific requirements for offshore structures - Part 9: Structural integrity management (ISO 19901-9:2019)

This part of ISO 19901 specifies the SIM process engineering requirements and recommendations to be used by an owner for demonstrating the structural fitness-for-service of existing platforms operating offshore. This part of ISO 19901 addresses the platform life-cycle from concept through to decommissioning and/or possible reuse at a different location and is applicable to:
 substructure structural components on compliant bottom founded structures, including fixed platforms, compliant towers, manifolds and structures used offshore as part of an alternative energy concept;
 topsides structural components irrespective of the structural form, including floating facilities and jack-ups.

Erdöl- und Erdgasindustrie - Spezielle Anforderungen für Offshore-Anlagen - Teil 9: Integritätsmanagement für Konstruktionen (ISO 19901-9:2019)

Industries du pétrole et du gaz naturel - Exigences spécifiques relatives aux structures en mer - Partie 9: Gestion de l'intégrité structurelle (ISO 19901-9:2019)

Le présent document spécifie les principes régissant la gestion de l'intégrité structurelle (SIM) des structures en mer soumises à des types d'actions connus ou prévisibles.
Il spécifie des exigences et fournit des recommandations applicables aux types suivants de structures en mer fixes en acier pour les industries du pétrole et du gaz naturel:
— caissons, autoportants et ancrés;
— jaquettes;
— tours mono;
— tours.
Le présent document est applicable à la superstructure, y compris, mais sans s'y limiter, les ponts principaux, les jambes de pont, les modules de la superstructure, les socles de grue, le pont hélicoptère, le derrick de forage, les poutres de ripage, les supports de torche, les tours d'évacuation, la tour radio, les ossatures de guidage des tubes conducteurs et les bossoirs des canots de sauvetage. En outre, il est applicable à des structures élastiques prenant appui sur le fond marin, à des structures en acier posées par gravité, à des plates-formes auto-élévatrices, à d'autres structures prenant appui sur le fond marin et à d'autres structures associées aux structures en mer conformes (telles que des citernes sous-marines de stockage de pétrole, des ponts et des structures de connexion) dans la mesure où ses exigences se rapportent à celles-ci.
Le présent document contient des exigences pour la planification et l'ingénierie des tâches suivantes:
a) les exigences relatives à la gestion de l'intégrité;
b) l'inspection en service et la gestion de l'intégrité à la fois des nouvelles structures et des structures existantes;
c) l'évaluation de structures existantes;
d) l'évaluation de structures en vue d'une réutilisation en des lieux différents;
e) l'évaluation de structures en vue de leur enlèvement futur.

Industrija za predelavo nafte in zemeljskega plina - Posebne zahteve za naftne ploščadi - 9. del: Celovitost storitev upravljanja (ISO 19901-9:2019)

Ta del standarda ISO 19901 določa inženirske zahteve in priporočila glede procesa celovitosti storitev upravljanja (SIM), ki jih uporablja lastnik za prikaz strukturne ustreznosti za obratovanje obstoječih vrtalnih ploščadi. Ta del standarda ISO 19901 obravnava življenjski cikel ploščadi od koncepta do izločitve iz uporabe in/ali morebitne ponovne uporabe na drugi lokaciji ter se uporablja za:
-   strukturne komponente podstrukture na skladnih na dno pritrjenih naftnih ploščadih, vključno s fiksnimi ploščadmi, skladnimi stolpi, razdelilniki in strukturami, ki se uporabljajo kot del alternativnega energetskega koncepta;
-   strukturne komponente na palubi, ne glede na strukturno obliko, vključno s plavajočimi objekti in dvižnimi ploščadmi.

General Information

Status
Published
Public Enquiry End Date
18-Jul-2017
Publication Date
22-Sep-2019
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
19-Sep-2019
Due Date
24-Nov-2019
Completion Date
23-Sep-2019

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SLOVENSKI STANDARD
SIST EN ISO 19901-9:2019
01-november-2019
Industrija za predelavo nafte in zemeljskega plina - Posebne zahteve za naftne
ploščadi - 9. del: Celovitost storitev upravljanja (ISO 19901-9:2019)

Petroleum and natural gas industries - Specific requirements for offshore structures -

Part 9: Structural integrity management (ISO 19901-9:2019)

Erdöl- und Erdgasindustrie - Spezielle Anforderungen für Offshore-Anlagen - Teil 9:

Integritätsmanagement für Konstruktionen (ISO 19901-9:2019)

Industries du pétrole et du gaz naturel - Exigences spécifiques relatives aux structures

en mer - Partie 9: Gestion de l'intégrité structurelle (ISO 19901-9:2019)
Ta slovenski standard je istoveten z: EN ISO 19901-9:2019
ICS:
75.180.10 Oprema za raziskovanje, Exploratory, drilling and
vrtanje in odkopavanje extraction equipment
SIST EN ISO 19901-9:2019 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 19901-9:2019
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SIST EN ISO 19901-9:2019
EN ISO 19901-9
EUROPEAN STANDARD
NORME EUROPÉENNE
September 2019
EUROPÄISCHE NORM
ICS 75.180.10
English Version
Petroleum and natural gas industries - Specific
requirements for offshore structures - Part 9: Structural
integrity management (ISO 19901-9:2019)

Industries du pétrole et du gaz naturel - Exigences Erdöl- und Erdgasindustrie - Spezielle Anforderungen

spécifiques relatives aux structures en mer - Partie 9: für Offshore-Anlagen - Teil 9: Integritätsmanagement

Gestion de l'intégrité structurelle (ISO 19901-9:2019) für Konstruktionen (ISO 19901-9:2019)

This European Standard was approved by CEN on 8 June 2019.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this

European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references

concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN

member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by

translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management

Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,

Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and

United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 19901-9:2019 E

worldwide for CEN national Members.
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SIST EN ISO 19901-9:2019
EN ISO 19901-9:2019 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

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SIST EN ISO 19901-9:2019
EN ISO 19901-9:2019 (E)
European foreword

This document (EN ISO 19901-9:2019) has been prepared by Technical Committee ISO/TC 67

"Materials, equipment and offshore structures for petroleum, petrochemical and natural gas industries"

in collaboration with Technical Committee CEN/TC 12 “Materials, equipment and offshore structures

for petroleum, petrochemical and natural gas industries” the secretariat of which is held by NEN.

This European Standard shall be given the status of a national standard, either by publication of an

identical text or by endorsement, at the latest by March 2020, and conflicting national standards shall

be withdrawn at the latest by March 2020.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

According to the CEN-CENELEC Internal Regulations, the national standards organizations of the

following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,

Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,

Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of

North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the

United Kingdom.
Endorsement notice

The text of ISO 19901-9:2019 has been approved by CEN as EN ISO 19901-9:2019 without any

modification.
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SIST EN ISO 19901-9:2019
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SIST EN ISO 19901-9:2019
INTERNATIONAL ISO
STANDARD 19901-9
First edition
2019-07
Petroleum and natural gas
industries — Specific requirements
for offshore structures —
Part 9:
Structural integrity management
Industries du pétrole et du gaz naturel — Exigences spécifiques
relatives aux structures en mer —
Partie 9: Gestion de l'intégrité structurelle
Reference number
ISO 19901-9:2019(E)
ISO 2019
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SIST EN ISO 19901-9:2019
ISO 19901-9:2019(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2019

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved
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SIST EN ISO 19901-9:2019
ISO 19901-9:2019(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................vi

Introduction ..............................................................................................................................................................................................................................vii

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3  Terms and definitions ..................................................................................................................................................................................... 2

4 Symbols .......................................................................................................................................................................................................................... 4

5 Abbreviated terms .............................................................................................................................................................................................. 5

6 SIM fundamentals ................................................................................................................................................................................................ 6

6.1 General ........................................................................................................................................................................................................... 6

6.2 Limit states and performance levels .................................................................................................................................... 6

6.3 Fitness-for-service assessment ................................................................................................................................................ 6

6.4 Management framework ................................................................................................................................................................ 7

6.5 Design ............................................................................................................................................................................................................. 8

6.6 Topsides ........................................................................................................................................................................................................ 9

6.7 Continued service ................................................................................................................................................................................. 9

6.8 Structural integrity interfaces.................................................................................................................................................... 9

7 SIM process ................................................................................................................................................................................................................. 9

8 SIM data.......................................................................................................................................................................................................................10

8.1 General ........................................................................................................................................................................................................10

8.2 Missing data ............................................................................................................................................................................................11

8.3 Data management .............................................................................................................................................................................11

9 SIM evaluation ......................................................................................................................................................................................................12

9.1 General ........................................................................................................................................................................................................12

9.2 Data evaluation ....................................................................................................................................................................................12

9.3 Hazards, hazardous events and degradation mechanisms ............................................................................12

9.4 Critical structure (CS) ....................................................................................................................................................................12

9.5 Risk .................................................................................................................................................................................................................12

9.5.1 General...................................................................................................................................................................................12

9.5.2 Consequence .................. .................................................... ...............................................................................................13

9.5.3 Likelihood ...........................................................................................................................................................................13

9.5.4 Risk presentation .........................................................................................................................................................13

9.6 Demonstrating fitness-for-service ......................................................................................................................................13

9.7 Assessment ..............................................................................................................................................................................................14

9.7.1 General...................................................................................................................................................................................14

9.7.2 Assessment motive .....................................................................................................................................................14

9.7.3 Assessment initiators ...............................................................................................................................................15

9.8 Mitigation measures ........................................................................................................................................................................15

9.8.1 General...................................................................................................................................................................................15

9.8.2 Consequence reduction ...........................................................................................................................................16

9.8.3 Likelihood reduction .................................................................................................................................................16

10 SIM strategy ............................................................................................................................................................................................................16

10.1 General ........................................................................................................................................................................................................16

10.2 Inspection strategy ...........................................................................................................................................................................17

10.2.1 General...................................................................................................................................................................................17

10.2.2 Inspection motives ......................................................................................................................................................18

10.2.3 Inspection type ...............................................................................................................................................................18

10.2.4 Inspection method ......................................................................................................................................................18

10.2.5 Inspection interval ......................................................................................................................................................18

10.2.6 Inspection scope ...........................................................................................................................................................20

10.2.7 Pre-selected inspection areas ............................................................................................................................20

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10.3 Maintenance strategy .....................................................................................................................................................................21

10.4 Monitoring strategy .........................................................................................................................................................................21

10.4.1 General...................................................................................................................................................................................21

10.4.2 Weight and centre of gravity (CoG) monitoring .................................................................................22

10.4.3 Deck elevation monitoring ...................................................................................................................................22

10.4.4 Natural frequency monitoring ..........................................................................................................................22

10.4.5 Corrosion protection monitoring ...................................................................................................................22

10.4.6 Metocean monitoring ........................................................................................................................................... .....22

10.5 Evacuation strategy ..........................................................................................................................................................................22

10.6 Marine site investigations ..........................................................................................................................................................23

11 SIM Program ...........................................................................................................................................................................................................23

11.1 General ........................................................................................................................................................................................................23

11.2 Inspection program..........................................................................................................................................................................23

11.2.1 General...................................................................................................................................................................................23

11.2.2 Specifications ...................................................................................................................................................................23

11.2.3 Inspection method ......................................................................................................................................................24

11.3 Maintenance program ....................................................................................................................................................................25

11.4 Monitoring program ........................................................................................................................................................................25

12 Assessment ..............................................................................................................................................................................................................26

12.1 General ........................................................................................................................................................................................................26

12.2 Assessment information ..............................................................................................................................................................26

12.3 Assessment method .........................................................................................................................................................................26

12.3.1 General...................................................................................................................................................................................26

12.3.2 Qualitative method ........................................................................................................................................... ...........27

12.3.3 Semi-quantitative method ....................................................................................................................................28

12.3.4 Quantitative methods ...............................................................................................................................................29

12.3.5 Fatigue analysis ..............................................................................................................................................................31

12.4 Assessment model ............................................................................................................................................................................31

12.4.1 General...................................................................................................................................................................................31

12.4.2 Tubular members .........................................................................................................................................................31

12.4.3 Connections .......................................................................................................................................................................32

12.4.4 Conductors .........................................................................................................................................................................32

12.4.5 Damage ..................................................................................................................................................................................32

12.4.6 Repaired and strengthened elements .........................................................................................................33

12.4.7 Foundation model ........................................................................................................................................................33

12.4.8 Material strength ..........................................................................................................................................................34

12.5 Assessment for gravity hazard ...............................................................................................................................................34

12.5.1 General...................................................................................................................................................................................34

12.5.2 Design level method (DLM) .................................................................................................................................35

12.5.3 Ultimate strength method (USM) ...................................................................................................................35

12.6 Assessment for metocean hazard ........................................................................................................................................35

12.6.1 General...................................................................................................................................................................................35

12.6.2 Metocean criteria .................. .................................................... ....................................................................................35

12.6.3 Crest elevation ................................................................................................................................................................35

12.6.4 Metocean action combinations — Jacket .................................................................................................36

12.6.5 Metocean action combinations — Deck ...................................................................................................36

12.6.6 Directionality of metocean hazards ..............................................................................................................36

12.6.7 Design level method (DLM) .................................................................................................................................37

12.6.8 Linear-elastic redundancy method ...............................................................................................................37

12.6.9 Ultimate strength method (USM) ...................................................................................................................37

12.7 Assessment for seismic hazard ..............................................................................................................................................38

12.7.1 General...................................................................................................................................................................................38

12.7.2 Seismic criteria ...............................................................................................................................................................38

12.7.3 Seismic action combinations ..............................................................................................................................38

12.7.4 Directionality of seismic hazards ...................................................................................................................39

12.7.5 Design level method (DLM) .................................................................................................................................39

12.7.6 Ultimate strength method (USM) ...................................................................................................................40

iv © ISO 2019 – All rights reserved
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12.8 Assessment for collision hazard ...........................................................................................................................................40

12.8.1 General...................................................................................................................................................................................40

12.8.2 Collision zone ...................................................................................................................................................................41

12.8.3 Collision criteria ............................................................................................................................................................41

12.8.4 Directionality of collision hazards .................................................................................................................41

12.8.5 Collision assessment method.............................................................................................................................41

12.9 Assessment for ice hazard ..........................................................................................................................................................41

12.10 Assessment for explosion hazard ........................................................................................................................................42

12.11 Assessment for fire hazard ........................................................................................................................................................42

13 Reuse ..............................................................................................................................................................................................................................42

13.1 General ........................................................................................................................................................................................................42

13.2 Fatigue in reused structures .....................................................................................................................................................42

13.3 Steel in reused structures ...........................................................................................................................................................42

13.4 Inspection of reused structures ............................................................................................................................................43

13.4.1 General...................................................................................................................................................................................43

13.4.2 Initial con
...

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