EN ISO 12736-3:2023

SLOVENSKI STANDARD
01-december-2023
Naftna in plinska industrija, vključno z nizkoogljično energijo - Mokre toplotne
izolacijske prevleke za naftovode, dovodne cevi, opremo in podvodne konstrukcije
- 3. del: Vmesniki med sistemi, sistem spojev na terenu, popravila na terenu in
montažne izolacije (ISO 12736-3:2023)
Oil and gas industries including lower carbon energy - Wet thermal insulation systems for
pipelines and subsea equipment - Part 3: Interfaces between systems, field joint system,
field repairs and prefabricated insulation (ISO 12736-3:2023)
Erdöl- und Erdgasindustrie - Wärmedämmschicht für Rohrleitungen und
Unterwasseranlagen - Teil 3: Schnittstellen zwischen Systemen, Feldfugensystem,
Feldreparaturen und vorgefertigte Isolierungen (ISO 12736-3:2023)
Industries du pétrole et du gaz, y compris les énergies à faible teneur en carbone -
Systèmes d'isolation thermique en milieu humide pour conduites et équipements sous-
marins - Partie 3: Interfaces entre systèmes, systèmes de joints soudés sur site,
réparations sur site et isolation préfabriquée (ISO 12736-3:2023)
Ta slovenski standard je istoveten z: EN ISO 12736-3:2023
ICS:
25.220.20 Površinska obdelava Surface treatment
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.

EN ISO 12736-3
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2023
EUROPÄISCHE NORM
ICS 25.220.20; 75.180.10 Supersedes EN ISO 12736:2014
English Version
Oil and gas industries including lower carbon energy - Wet
thermal insulation systems for pipelines and subsea
equipment - Part 3: Interfaces between systems, field joint
system, field repairs and prefabricated insulation (ISO
12736-3:2023)
Industries du pétrole et du gaz, y compris les énergies Erdöl- und Erdgasindustrie - Wärmedämmschicht für
à faible teneur en carbone - Systèmes d'isolation Rohrleitungen und Unterwasseranlagen - Teil 3:
thermique en milieu humide pour conduites et Schnittstellen zwischen Systemen, Feldfugensystem,
équipements sous-marins - Partie 3: Interfaces entre Feldreparaturen und vorgefertigte Isolierungen (ISO
systèmes, systèmes de joints soudés sur site, 12736-3:2023)
réparations sur site et isolation préfabriquée (ISO
12736-3:2023)
This European Standard was approved by CEN on 1 October 2023.

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, Türkiye 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
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 12736-3:2023 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 12736-3:2023) has been prepared by Technical Committee ISO/TC 67 "Oil and
gas industries including lower carbon energy" in collaboration with Technical Committee CEN/TC 12
“Oil and gas industries including lower carbon energy” 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 2024, and conflicting national standards shall be
withdrawn at the latest by April 2024.
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.
This document supersedes EN ISO 12736:2014.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
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, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 12736-3 has been approved by CEN as EN ISO 12736-3:2023 without any modification.

INTERNATIONAL ISO
STANDARD 12736-3
First edition
2023-10
Oil and gas industries including
lower carbon energy — Wet thermal
insulation systems for pipelines and
subsea equipment —
Part 3:
Interfaces between systems, field
joint systems, field repairs and pre-
fabricated insulation
Industries du pétrole et du gaz, y compris les énergies à faible teneur
en carbone — Systèmes d'isolation thermique en milieu humide pour
conduites et équipements sous-marins —
Partie 3: Interfaces entre systèmes, systèmes de joints soudés sur site,
réparations sur site et isolation préfabriquée
Reference number
ISO 12736-3:2023(E)
ISO 12736-3:2023(E)
© ISO 2023
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
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Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
ISO 12736-3:2023(E)
Contents Page
Foreword .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Abbreviated terms . 8
5 Conformance . 8
5.1 Rounding . 8
5.2 Conformity to requirement . 8
6 Field joint material, system interfaces and repairs . 8
6.1 Material classes . 8
6.2 Types of interfaces . 9
7 Project specific qualification processes for production and application procedures
for field joints . 9
7.1 General requirements . 9
7.2 Purchase order requirements . 10
7.2.1 General information . 10
7.2.2 Additional information . 11
7.3 Production qualification process . 11
7.3.1 Process description . 11
7.3.2 Project specific qualification considerations .12
7.3.3 Procedure qualification trial .12
7.3.4 Pre-production trial . 13
7.3.5 Production testing . 13
7.4 Application procedures.13
7.4.1 Application procedure specification . 13
7.4.2 Inspection and testing plan . 15
7.4.3 Qualification of operators . 15
8 Production testing and inspection for field joints .17
8.1 General . 17
8.2 Material tests and inspection . 17
8.3 System test and inspection . 17
8.4 Inspection documents and traceability. 17
8.5 Guidance in generating an ITP. 17
9 Requirements for field repairs of wet thermal insulation and field joints .34
9.1 General .34
9.2 Damage/defect characterization .34
9.3 Repair materials for each of the material classes and compatibility .34
9.4 Repair execution .34
10 Final documentation .
...