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FprEN ISO 5124

(Main)

Loading and unloading of liquefied natural gas (LNG) tank wagons and containers (ISO/FDIS 5124:2024)

Loading and unloading of liquefied natural gas (LNG) tank wagons and containers (ISO/FDIS 5124:2024)

This document provides the design and operational requirements for transportation of LNG as cargo by railcar, including safety aspects under normal conditions and in case of events.
This document includes requirements for (at least):
-   railcar coupling;
-   hose vs loading arm;
-   hose / arm draining;
-   permissives and emergency shut-down functions;
-   liquid detection on boil-off gas return line;
-   leak / fire detection and management systems.

LNG-Kesselwagen/Container Be- und Entladen (ISO/FDIS 5124:2024)

Diese Internationale Norm umfasst Richtlinien und Empfehlungen für die Bauweise, die Konstruktion und den Betrieb von neu installierten Bahnbeladezonen/Bahnentladezonen für Flüssigerdgas (LNG) für die Nutzung an landseitigen LNG-Verladestationen, LNG-Satellitenanlagen, die Handhabung von LNG-Kesselwagen oder von Tankcontainern, die in (inter)nationalem Handel eingesetzt werden.
Diese Internationale Norm gilt ergänzend zu lokalen oder nationalen Normen und Vorschriften.
Die festgelegten Grenzen dieser Norm liegen zwischen den Verteilerrohren der Einlass-/Auslassrohrleitungen der LNG-Verladestationen am Anfang der Bahnbeladezone/Bahnentladezone und dem Gleisbereich, der für Kesselwagen/Tankcontainer genutzt wird. Dazu gehören alle Bahnverladezonen, Brückenwagen und alle dazu gehörigen Untersysteme.

Chargement et déchargement de wagons-citernes et conteneurs de gaz naturel liquéfié (GNL) (ISO/FDIS 5124:2024)

Natovarjanje in raztovarjanje cistern/kontejnerjev z utekočinjenim zemeljskim plinom (ISO/DIS 5124:2023)

General Information

Status
Not Published
Publication Date
25-Nov-2024
ICS
75.200 - Petroleum products and natural gas handling equipment
Technical Committee
CEN/TC 282 - Installation and equipment for LNG
Drafting Committee
CEN/TC 282 - Installation and equipment for LNG
Current Stage
5020 - Submission to Vote - Formal Approval
Start Date
04-Jul-2024
Due Date
05-Dec-2024
Completion Date
04-Jul-2024
Ref Project
oSIST prEN ISO 5124:2023 - LNG tank wagon/container loading & unloading (ISO/DIS 5124:2023)

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SLOVENSKI STANDARD
01-december-2023
Nalaganje in raztovarjanje cistern/kontejnerjev z utekočinjenim zemeljskim plinom
(ISO/DIS 5124:2023)
LNG tank wagon/container loading & unloading (ISO/DIS 5124:2023)
Anlagen und Ausrüstung von LNG - Anwendungen von LNG Kesselwagen (ISO/DIS
5124:2023)
Chargement et déchargement de wagons-citernes/conteneurs de GNL (ISO/DIS
5124:2023)
Ta slovenski standard je istoveten z: prEN ISO 5124
ICS:
75.200 Oprema za skladiščenje Petroleum products and
nafte, naftnih proizvodov in natural gas handling
zemeljskega plina equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT INTERNATIONAL STANDARD
ISO/DIS 5124
ISO/TC 67/SC 9 Secretariat: AFNOR
Voting begins on: Voting terminates on:
2023-10-30 2024-01-22
LNG tank wagon/container loading & unloading
Chargement et déchargement de wagons-citernes/conteneurs de GNL
ICS: 75.200
This document is circulated as received from the committee secretariat.
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
ISO/CEN PARALLEL PROCESSING
THEREFORE SUBJECT TO CHANGE AND MAY
NOT BE REFERRED TO AS AN INTERNATIONAL
STANDARD UNTIL PUBLISHED AS SUCH.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
Reference number
NATIONAL REGULATIONS.
ISO/DIS 5124:2023(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
PROVIDE SUPPORTING DOCUMENTATION. © ISO 2023

ISO/DIS 5124:2023(E)
DRAFT INTERNATIONAL STANDARD
ISO/DIS 5124
ISO/TC 67/SC 9 Secretariat: AFNOR
Voting begins on: Voting terminates on:

LNG tank wagon/container loading & unloading
Chargement et déchargement de wagons-citernes/conteneurs de GNL
ICS: 75.200
This document is circulated as received from the committee secretariat.
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENT AND APPROVAL. IT IS
© ISO 2023
ISO/CEN PARALLEL PROCESSING
THEREFORE SUBJECT TO CHANGE AND MAY
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
NOT BE REFERRED TO AS AN INTERNATIONAL
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on STANDARD UNTIL PUBLISHED AS SUCH.
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
IN ADDITION TO THEIR EVALUATION AS
or ISO’s member body in the country of the requester. BEING ACCEPTABLE FOR INDUSTRIAL,
TECHNOLOGICAL, COMMERCIAL AND
ISO copyright office
USER PURPOSES, DRAFT INTERNATIONAL
CP 401 • Ch. de Blandonnet 8
STANDARDS MAY ON OCCASION HAVE TO
BE CONSIDERED IN THE LIGHT OF THEIR
CH-1214 Vernier, Geneva
POTENTIAL TO BECOME STANDARDS TO
Phone: +41 22 749 01 11
WHICH REFERENCE MAY BE MADE IN
Reference number
Email: copyright@iso.org
NATIONAL REGULATIONS.
Website: www.iso.org ISO/DIS 5124:2023(E)
RECIPIENTS OF THIS DRAFT ARE INVITED
Published in Switzerland
TO SUBMIT, WITH THEIR COMMENTS,
NOTIFICATION OF ANY RELEVANT PATENT
RIGHTS OF WHICH THEY ARE AWARE AND TO
ii
PROVIDE SUPPORTING DOCUMENTATION. © ISO 2023

ISO/DIS 5124:2023(E)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Abbreviated terms . 3
5 Equipment design & operations . 3
5.1 LNG tank wagon . 3
5.2 LNG tank container . 3
5.3 Tanks for tank wagons and tank containers . 3
5.4 Un/Loading bay configuration . 7
5.5 Connection Couplings . 8
5.5.1 General requirements . 8
5.6 LNG transfer hoses or arms . 9
5.7 General Process Design Requirement . 9
5.7.1 Quantity & Quality measurement . 11
5.7.2 Sampling . 11
5.7.3 Predicting LNG Quality Change due to Ageing . 11
6 Leak & Fire Management .11
6.1 Leak avoidance, detection and management . 11
6.1.1 Avoidance .12
6.1.2 Gas detection . 12
6.1.3 Management .12
6.2 Fire avoidance, detection and management strategies .13
6.2.1 Avoidance . 13
6.2.2 Fire detection Type, location and number of fire and smoke detectors .13
6.2.3 Fire management . 14
7 Layout considerations .14
7.1 Safety Separation Distances . 14
7.2 Typical equipment layout . 14
7.3 Buildings . 14
8 Commissioning & Start-up .14
9 Operations .15
9.1 Initial checks . 16
9.2 Weighing before (un)loading operation . 16
9.3 Loading terminal . 16
10 Stakeholder Analysis .17
iii
ISO/DIS 5124:2023(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www.iso.org/patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation on the meaning of ISO specific terms and expressions related to conformity
assessment, as well as information about ISO's adherence to the WTO principles in the Technical
Barriers to Trade (TBT) see the following URL: Foreword - Supplementary information
The committee responsible for this document is ISO/TC 67/SC9, Production, transport and storage
facilities for cryogenic liquefied gases.
iv
DRAFT INTERNATIONAL STANDARD ISO/DIS 5124:2023(E)
LNG tank wagon/container loading & unloading
1 Scope
This International Standard gives guidelines and recommendations for the design, construction and
operation for newly installed liquefied natural gas (LNG) railway loading and unloading facilities for
use on onshore LNG terminals, LNG satellite plants, handling LNG tank wagons or tank containers
engaged in (inter)national trade.
This International Standard is supplementary to local or national standards and regulations.
The designated boundary limits of this standard are between the LNG terminal’s inlet/outlet piping
headers at the beginning of the rail (un)loading area and the rail track area used for tank wagons/
containers. It includes all rail loading bays, weighbridge(s) and related hereto subsystems.
2 Normative references
The following referenced documents, in whole or in part, are normatively referenced in this document
and are indispensable for its application. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 8943, Refrigerated light hydrocarbon fluids – sampling of liquefied natural gas – Continuous method
ISO 16903, Petroleum and natural gas industries — Characteristics of LNG, influencing the design, and
material selection
ISO 21593, Ships and marine technology — Technical requirements for dry-disconnect/connect couplings
for bunkering liquefied natural gas
EN 1473:2021, Installation and equipment for liquefied natural gas — Design of onshore installations
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at https:// www .electropedia .org/
3.1
ageing of LNG
the gradual change in the molecular composition of
...

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