EN ISO 19905-1:2012

Petroleum and natural gas industries - Site-specific assessment of mobile offshore units - Part 1: Jack-ups (ISO 19905-1:2012)

ISO 19905-1:2012 specifies requirements and guidance for the site-specific assessment of independent leg jack‑up units for use in the petroleum and natural gas industries. It addresses
manned non-evacuated, manned evacuated and unmanned jack‑ups;
the installed phase at a specific site.
To ensure acceptable reliability, the provisions of ISO 19905-1:2012 form an integrated approach, which is used in its entirety for the site-specific assessment of a jack‑up.
ISO 19905-1:2012 does not apply specifically to mobile offshore drilling units operating in regions subject to sea ice and icebergs. When assessing a jack-up operating in such areas, it is intended that the assessor supplement the provisions of ISO 19905-1:2012 with the provisions relating to ice actions and procedures for ice management contained in ISO 19906.
ISO 19905-1:2012 does not address design, transportation to and from site, or installation and removal from site. However, it is advisable that the assumptions used in the assessment be checked against the as-installed configuration.
To ensure that the design of the jack‑up is sound and the structure is adequately maintained, ISO 19905-1:2012 is applicable only to independent leg jack‑ups that either:
hold a valid classification society certification from a recognized classification society (RCS) throughout the duration of the operation at the specific site subject to assessment, or
have been verified by an independent competent body to be structurally fit for purpose for elevated situations and are subject to periodic inspection, both to the standards of an RCS.
Jack‑ups that do not comply with this requirement are assessed according to the provisions of ISO 19902, supplemented by methodologies from ISO 19905-1:2012, where applicable.

Erdöl- und Erdgasindustrie - Beurteilung von mobilen Offshore Einheiten bezüglich ihres Einsatzgebietes - Teil 1: Hubinseln (ISO 19905-1:2012)

Industries du pétrole et du gaz naturel - Évaluation spécifique au site d'unités mobiles en mer - Partie 1: Plates-formes auto-élévatrices (ISO 19905-1:2012)

Industrija za predelavo nafte in zemeljskega plina - Ocenjevanje mobilnih naftnih ploščadi na področju postavitve - 1. del: Dvižne ploščadi (ISO 19905-1:2012)

Ta del standarda ISO 19905 določa zahteve in smernice za ocenjevanje dvižnih ploščadi s samostojnimi nogami za uporabo v industriji za predelavo nafte in zemeljskega plina. Obravnava a) neevakuirane dvižne ploščadi s posadko, evakuirane dvižne ploščadi s posadko in dvižne ploščadi brez posadke; b) fazo postavitve na določenem področju. Pri določbah tega dela standarda ISO 19905 je zaradi zagotavljanja sprejemljive zanesljivosti uporabljen celostni pristop, ki se v celoti uporablja za ocenjevanje dvižne ploščadi na področju postavitve. Ta del standarda ISO 19905 se ne uporablja samo za mobilne vrtalne naftne ploščadi, ki se uporabljajo v regijah, kjer se na morju pojavlja led in ledene gore. Pri ocenjevanju dvižne ploščadi, ki obratuje na teh območjih, naj bi ocenjevalec določbe tega dela standarda ISO 19905 nadomestil z določbami v zvezi z ukrepi in postopki za ravnanje v primeru ledu iz standarda ISO 19906. Ta del standarda ISO 19905 ne obravnava načrtovanja, prevoza na mesto ali z njega ali namestitve na mesto in odstranitve z njega. Vendar je priporočljivo, da se predpostavke, ki se uporabljajo pri ocenjevanju, preverijo glede na konfiguracijo pri namestitvi.

General Information

• Status: Withdrawn
• Publication Date: 31-Jul-2012
• Withdrawal Date: 23-Feb-2016
• ICS: 75.180.10 - Exploratory, drilling and extraction equipment
• Technical Committee: CEN/TC 12 - Materials, equipment and offshore structures for petroleum and natural gas industries
• Drafting Committee: CEN/TC 12 - Materials, equipment and offshore structures for petroleum and natural gas industries
• Current Stage: 9960 - Withdrawal effective - Withdrawal
• Completion Date: 24-Feb-2016
• Ref Project: SIST EN ISO 19905-1:2012 - Petroleum and natural gas industries - Site-specific assessment of mobile offshore units - Part 1: Jack-ups (ISO 19905-1:2012)

Relations

• Replaced By: EN ISO 19905-1:2016 - Petroleum and natural gas industries - Site-specific assessment of mobile offshore units - Part 1: Jack-ups (ISO 19905-1:2016)
• Effective Date: 08-Jun-2022

Standards Content (Sample)

SLOVENSKI STANDARD
01-oktober-2012
,QGXVWULMD]DSUHGHODYRQDIWHLQ]HPHOMVNHJDSOLQD2FHQMHYDQMHPRELOQLKQDIWQLK
SORãþDGLQDSRGURþMXSRVWDYLWYHGHO'YLåQHSORãþDGL,62
Petroleum and natural gas industries - Site-specific assessment of mobile offshore units
- Part 1: Jack-ups (ISO 19905-1:2012)
Erdöl- und Erdgasindustrie - Offshore Anlagen; Beurteilung von mobilen Offshore
Einheiten bezüglich ihres Einsatzgebietes - Teil 1: Hubinseln (ISO 19905-1:2012)
Industries du pétrole et du gaz naturel - Évaluation spécifique au site d'unités mobiles en
mer - Partie 1: Plates-formes auto-élévatrices (ISO 19905-1:2012)
Ta slovenski standard je istoveten z: EN ISO 19905-1:2012
ICS:
75.180.10 Oprema za raziskovanje in Exploratory and extraction
odkopavanje equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN ISO 19905-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
August 2012
ICS 75.180.10
English Version
Petroleum and natural gas industries - Site-specific assessment
of mobile offshore units - Part 1: Jack-ups (ISO 19905-1:2012)
Industries du pétrole et du gaz naturel - Évaluation Erdöl- und Erdgasindustrie - Beurteilung von mobilen
spécifique au site d'unités mobiles en mer - Partie 1: Offshore Einheiten bezüglich ihres Einsatzgebietes - Teil 1:
Plates-formes auto-élévatrices (ISO 19905-1:2012) Hubinseln (ISO 19905-1:2012)
This European Standard was approved by CEN on 16 June 2012.

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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United
Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2012 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 19905-1:2012: E
worldwide for CEN national Members.

Contents Page
Foreword .3

Foreword
This document (EN ISO 19905-1:2012) 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 AFNOR.
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 February 2013, and conflicting national standards shall be withdrawn
at the latest by February 2013.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece,
Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.
Endorsement notice
The text of ISO 19905-1:2012 has been approved by CEN as a EN ISO 19905-1:2012 without any
modification.
INTERNATIONAL ISO
STANDARD 19905-1
First edition
2012-08-01
Petroleum and natural gas industries —
Site-specific assessment of mobile
offshore units —
Part 1:
Jack-ups
Industries du pétrole et du gaz naturel — Évaluation spécifique au site
d'unités mobiles en mer —
Partie 1: Plates-formes auto-élévatrices

Reference number
ISO 19905-1:2012(E)
©
ISO 2012
ISO 19905-1:2012(E)
©  ISO 2012
All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means,
electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or
ISO's member body in the country of the requester.
ISO copyright office
Case postale 56  CH-1211 Geneva 20
Tel. + 41 22 749 01 11
Fax + 41 22 749 09 47
E-mail [e-mail]
Web www.iso.org
Published in Switzerland
ii © ISO 2012 – All rights reserved

ISO 19905-1:2012(E)
Contents Page
Foreword . v
Introduction . vii
1  Scope . 1
2  Normative references . 2
3  Terms and definitions . 2
4  Symbols and abbreviated terms . 13
4.1  Symbols . 13
4.2  Abbreviated terms . 14
5  Overall considerations . 15
5.1  General . 15
5.2  Assessment approach . 16
5.3  Selection of limit states . 18
5.4  Determination of assessment situations . 18
5.5  Exposure levels . 20
5.6  Analytical tools . 23
6  Data to assemble for each site . 24
6.1  Applicability . 24
6.2  Jack-up data . 24
6.3  Site and operational data . 24
6.4  Metocean data . 24
6.5  Geophysical and geotechnical data . 25
6.6  Earthquake data . 26
7  Actions. 26
7.1  Applicability . 26
7.2  General . 26
7.3  Metocean actions . 27
7.4  Functional actions . 28
7.5  Displacement dependent effects . 28
7.6  Dynamic effects . 28
7.7  Earthquakes . 28
7.8  Other actions . 28
8  Structural modelling . 28
8.1  Applicability . 28
8.2  Overall considerations . 28
8.3  Modelling the leg . 29
8.4  Modelling the hull . 30
8.5  Modelling the leg-to-hull connection . 30
8.6  Modelling the spudcan and foundation . 31
8.7  Mass modelling . 32
8.8  Application of actions . 32
9  Foundations . 35
9.1  Applicability . 35
9.2  General . 35
9.3  Geotechnical analysis of independent leg foundations . 36
9.4  Other considerations . 39
10  Structural response . 41
10.1  Applicability . 41
ISO 19905-1:2012(E)
10.2  General considerations .41
10.3  Types of analyses and associated methods .41
10.4  Common parameters .42
10.5  Storm analysis .44
10.6  Fatigue analysis .47
10.7  Earthquake analysis .47
10.8  Accidental situations .47
10.9  Alternative analysis methods .
...