Petroleum and natural gas industries - Arctic operations - Ice management (ISO 35104:2018)

This document establishes the principles, specifies the requirements and provides guidance for ice management (IM) in arctic and cold regions, from the point of view of planning, engineering, implementation and documentation. Reference to arctic and cold regions in this document is deemed to include both the Arctic and other regions characterized by low ambient temperatures, sea ice, icebergs and icing conditions. These regions are often remote and lacking in marine and communications infrastructure.
Ice management to support the following in-ice activities and infrastructures are covered by this document:
— floating moored and/or dynamically positioned drilling vessels, coring vessels, production facilities and work-over vessels;
— construction and installation (includes trenching, dredging, pipe laying);
— tanker loading and other offloading operations;
— protecting subsea structures and equipment;
— seismic operations;
— oil spill response;
— bottom founded structures (fixed platforms and movable structures, including jack-ups).
This document also applies to mobilization, demobilization and construction support services, because these can be affected by ice conditions.
In view of the wide range of possible offshore operations in arctic and cold regions, this document provides guidelines, but does not present typical ice management plans for field operations.
This document does not provide requirements, recommendations or guidance pertaining to the design of structures, systems and components used in ice management, beyond the principles given. This document does not provide specific formulations for ice loads, which are covered by ISO 19906.
This document is not applicable to coastal port operations and to commercial trading vessels conducting transit or convoy operations.

Erdöl- und Erdgasindustrie - Arktisbetrieb - Eismanagement (ISO 35104:2018)

Industries du pétrole et du gaz naturel - Opérations en Arctique - Gestion des glaces (ISO 35104:2018)

Le présent document établit les principes, spécifie les exigences et fournit des recommandations pour la gestion des glaces (IM) dans les régions arctiques et froides, du point de vue de la planification, de l'ingénierie, de la mise en œuvre et de la documentation. Toute référence aux régions froides et arctiques faite dans le présent document renvoie à la fois à l'Arctique et à d'autres régions caractérisées par de basses températures ambiantes et par la présence de glace de mer, d'icebergs et de conditions propices à l'accrétion de la glace. Ces régions sont souvent éloignées et manquent d'infrastructures maritimes et de communication.
Le présent document traite de la gestion des glaces dans le cadre des activités et infrastructures suivantes en environnement de glace:
— navires de forage, navires de carottage, installations de production et navires de reconditionnement, ancrés et/ou à positionnement dynamique;
— construction et installation (y compris création de tranchées, nivellement, pose de tuyaux);
— chargement de pétroliers et autres opérations de déchargement;
— protection des structures et équipements sous-marins;
— opérations sismiques;
— intervention en cas de déversement de pétrole;
— structures sur fondations (plates-formes fixes et mobiles, y compris auto-élévatrices).
Le présent document s'applique également aux services de soutien à la mobilisation, à la démobilisation et à la construction, car ils peuvent être affectés par les conditions de glace.
Compte tenu de la grande diversité des opérations en mer possibles dans les régions arctiques et froides, le présent document fournit des lignes directrices mais ne présente aucun plan particulier pour la gestion des glaces dans le cadre des opérations sur site.
Le présent document ne fournit aucune exigence, préconisation ou recommandation en ce qui concerne la conception des structures, systèmes et composants utilisés dans la gestion des glaces, autrement que dans la limite des principes établis. Le présent document ne donne aucune formule spécifique pour les actions exercées par la glace, qui sont couvertes par l'ISO 19906.
Le présent document ne s'applique ni à l'exploitation de ports côtiers, ni aux navires de marchandises qui mènent des opérations de transit ou de convoyage.

Industrija za predelavo nafte in zemeljskega plina - Obratovanje v arktičnem okolju - Upravljanje z ledom (ISO 35104:2018)

General Information

Status
Published
Public Enquiry End Date
31-Jul-2020
Publication Date
21-Oct-2020
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
22-Oct-2020
Due Date
27-Dec-2020
Completion Date
22-Oct-2020

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SLOVENSKI STANDARD
SIST EN ISO 35104:2020
01-december-2020

Industrija za predelavo nafte in zemeljskega plina - Obratovanje v arktičnem okolju

- Upravljanje z ledom (ISO 35104:2018)
Petroleum and natural gas industries - Arctic operations - Ice management (ISO
35104:2018)
Erdöl- und Erdgasindustrie - Arktisbetrieb - Eismanagement (ISO 35104:2018)

Industries du pétrole et du gaz naturel - Opérations en Arctique - Gestion des glaces

(ISO 35104:2018)
Ta slovenski standard je istoveten z: EN ISO 35104:2020
ICS:
75.020 Pridobivanje in predelava Extraction and processing of
nafte in zemeljskega plina petroleum and natural gas
SIST EN ISO 35104:2020 en,fr,de

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

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SIST EN ISO 35104:2020
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SIST EN ISO 35104:2020
EN ISO 35104
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2020
EUROPÄISCHE NORM
ICS 75.020
English Version
Petroleum and natural gas industries - Arctic operations -
Ice management (ISO 35104:2018)

Industries du pétrole et du gaz naturel - Opérations en Erdöl- und Erdgasindustrie - Arktisbetrieb -

Arctique - Gestion des glaces (ISO 35104:2018) Eismanagement (ISO 35104:2018)
This European Standard was approved by CEN on 4 October 2020.

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

© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 35104:2020 E

worldwide for CEN national Members.
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SIST EN ISO 35104:2020
EN ISO 35104:2020 (E)
Contents Page

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

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SIST EN ISO 35104:2020
EN ISO 35104:2020 (E)
European foreword

The text of ISO 35104:2018 has been prepared by Technical Committee ISO/TC 67 "Materials,

equipment and offshore structures for petroleum, petrochemical and natural gas industries” of the

International Organization for Standardization (ISO) and has been taken over as EN ISO 35104:2020 by

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 April 2021, and conflicting national standards shall be

withdrawn at the latest by April 2021.

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 35104:2018 has been approved by CEN as EN ISO 35104:2020 without any modification.

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SIST EN ISO 35104:2020
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SIST EN ISO 35104:2020
INTERNATIONAL ISO
STANDARD 35104
First edition
2018-10
Petroleum and natural gas
industries — Arctic operations — Ice
management
Industries du pétrole et du gaz naturel — Opérations en Arctique —
Gestion des glaces
Reference number
ISO 35104:2018(E)
ISO 2018
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SIST EN ISO 35104:2020
ISO 35104:2018(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2018

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 2018 – All rights reserved
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SIST EN ISO 35104:2020
ISO 35104:2018(E)
Contents Page

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

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

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

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

3 Terms, definitions and abbreviations ............................................................................................................................................ 2

3.1 Terms and definitions ....................................................................................................................................................................... 2

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

4 General ice management requirements ....................................................................................................................................... 6

4.1 Fundamental requirements for an ice management system ........................................................................... 6

4.1.1 General...................................................................................................................................................................................... 6

4.1.2 Ice management plan ................................................................................................................................................... 6

4.1.3 Ice alert system ................................................................................................................................................................. 6

4.1.4 Hazardous ice conditions ......................................................................................................................................... 7

4.2 Safety requirements ........................................................................................................................................................................... 7

4.2.1 Ice management approach ...................................................................................................................................... 7

4.2.2 Redundancy ...................................................................... .................................................................................................... 7

4.2.3 Existing operations ........................................................................................................................................................ 7

4.3 Safe learning .............................................................................................................................................................................................. 8

4.3.1 Safe learning principles ............................................................................................................................................. 8

4.3.2 Continuous improvement ........................................................................................................................................ 8

4.4 Risk management ................................................................................................................................................................................. 8

4.4.1 General requirements .................................................................................................................................................. 8

4.4.2 Hazard identification and consequences .................................................................................................... 8

4.4.3 Responsibility for risk management ............................................................................................................... 9

4.4.4 Use of risk assessment ................................................................................................................................................ 9

4.5 Health, safety, security and environment ......................................................................................................................... 9

4.5.1 Health, safety, security and environment plan ....................................................................................... 9

4.5.2 Safe working environment ...................................................................................................................................... 9

4.5.3 Incident reporting ........................................................................................................................................................10

4.5.4 Compliance with health, safety, security and environment requirements .................10

4.6 Organizational functions and procedures ....................................................................................................................10

4.6.1 General requirements ...............................................................................................................................................10

4.6.2 Organization and communication .................................................................................................................10

4.7 Specific design, planning and execution requirements .....................................................................................11

5 Ice management plan (IM plan) .........................................................................................................................................................12

5.1 IM plan scope.........................................................................................................................................................................................12

5.2 IM plan implementation ..............................................................................................................................................................12

5.3 IM plan maintenance ......................................................................................................................................................................13

6 Ice management system performance ........................................................................................................................................13

6.1 High-level IM system issues ......................................................................................................................................................13

6.2 Measures of IM performance ...................................................................................................................................................13

6.3 Demonstration of intended performance .....................................................................................................................14

6.4 IM system design ................................................................................................................................................................................14

6.5 Degradation of ice alert and IM system performance ........................................................................................14

6.6 Operating ice envelope ..................................................................................................................................................................15

6.7 Operational readiness of IM system ..................................................................................................................................15

6.8 Performance monitoring and documentation ..........................................................................................................15

6.9 Maintenance and improvement ............................................................................................................................................15

7 Data requirements ..........................................................................................................................................................................................15

7.1 General ice management data requirements .............................................................................................................15

7.2 Parameters and conditions........................................................................................................................................................16

7.2.1 Ice and metocean parameters ...........................................................................................................................16

© ISO 2018 – All rights reserved iii
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7.2.2 Monitoring of operational parameters ......................................................................................................17

7.2.3 Combined situations ..................................................................................................................................................17

7.2.4 Managed ice conditions ..........................................................................................................................................17

7.2.5 Wildlife observations ................................................................................................................................................17

7.3 Timeline .....................................................................................................................................................................................................17

7.3.1 Planning situations .....................................................................................................................................................17

7.3.2 Strategic situations .....................................................................................................................................................18

7.3.3 Tactical situations ........................................................................................................................................................18

7.3.4 Phases of operations ........................................................................................................................................... .......19

7.4 Forecasting ..............................................................................................................................................................................................19

7.4.1 General...................................................................................................................................................................................19

7.4.2 Accuracy ...............................................................................................................................................................................19

7.4.3 Metocean data .................................................................................................................................................................20

7.4.4 Ice management forecast parameters ........................................................................................................20

7.4.5 Nowcasts ..............................................................................................................................................................................21

7.4.6 Forecasts for weather windows .......................................................................................................................21

7.5 Data collection ......................................................................................................................................................................................21

7.5.1 General...................................................................................................................................................................................21

7.5.2 Data quality .......................................................................................................................................................................21

7.6 Data organization ..............................................................................................................................................................................22

7.6.1 General requirements ...............................................................................................................................................22

7.6.2 Accuracy and bias of data ......................................................................................................................................22

7.6.3 Instrument specifications .....................................................................................................................................22

7.6.4 Data backup .......................................................................................................................................................................22

7.7 Data dissemination ...........................................................................................................................................................................22

7.7.1 General...................................................................................................................................................................................22

7.7.2 Communications and infrastructure ...........................................................................................................23

7.7.3 Presentation ......................................................................................................................................................................23

8 Ice detection and tracking .......................................................................................................................................................................23

8.1 Objectives..................................................................................................................................................................................................23

8.2 System criteria ......... .............................................................................................................................................................................24

8.3 Detection capabilities .....................................................................................................................................................................24

8.4 Tracking capabilities .......................................................................................................................................................................24

9 Threat evaluation and response .......................................................................................................................................................25

9.1 Threat evaluation strategy .........................................................................................................................................................25

9.2 Identification of ice hazards .....................................................................................................................................................25

9.3 Methods for threat evaluation ................................................................................................................................................26

9.4 Key concepts ..........................................................................................................................................................................................27

9.4.1 T-time ......................................................................................................................................................................................27

9.4.2 T-distance ............................................................................................................................................................................27

9.4.3 Ice hazard distance .....................................................................................................................................................27

9.4.4 Ice hazard time ...............................................................................................................................................................27

9.4.5 Ice drift speed ..................................................................................................................................................................27

9.4.6 Closest point of approach ......................................................................................................................................27

9.5 Ice alert levels and zones ............................................................................................................................................................28

9.5.1 Zoning strategy ...................................................................... .........................................................................................28

9.5.2 Monitoring zone ............................................................................................................................................................28

9.5.3 Management zones .....................................................................................................................................................28

9.5.4 Secure zones .....................................................................................................................................................................28

9.5.5 Exclusion zone ................................................................................................................................................................28

9.6 T-time calculations ............................................................................................................................................................................28

9.7 Stages of threat assessment ......................................................................................................................................................29

9.8 Models for ice actions.....................................................................................................................................................................29

9.9 Situations requiring increased vigilance .......................................................................................................................29

9.10 Infrequent, unanticipated and unforecast ice events .........................................................................................29

10 Physical ice management .........................................................................................................................................................................30

10.1 Selection criteria.................................................................................................................................................................................30

iv © ISO 2018 – All rights reserved
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10.2 IM vessel requirements ................................................................................................................................................................30

10.3 Operation-specific procedures ...............................................................................................................................................31

10.4 Preparedness .........................................................................................................................................................................................31

10.5 Physical IM strategies and techniques .............................................................................................................................31

10.6 Ice-restricted operations .............................................................................................................................................................32

10.7 Effects of IM ............................................................................................................................................................................................32

11 Personnel and training ...............................................................................................................................................................................32

11.1 IM personnel requirements ......................................................................................................................................................32

11.2 General training requirements ...............................................................................................................................................33

11.3 Requirements for training ..........................................................................................................................................................33

11.3.1 Organizations offering ice management training .............................................................................33

11.3.2 Training personnel ......................................................................................................................................................33

11.3.3 Training facility ..............................................................................................................................................................34

11.3.4 Training elements ........................................................................................................................................................34

11.3.5 Training requirements for monitoring and advisory personnel .........................................35

11.3.6 Training requirements for other personnel ..........................................................................................35

11.3.7 Training curriculum ...................................................................................................................................................35

11.4 Ice management training: specific requirements ..................................................................................................36

11.4.1 General...................................................................................................................................................................................36

11.4.2 Operations in arctic and cold regions .........................................................................................................36

11.4.3 Field experience ............................................................................................................................................................36

Annex A
...

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