Installation and equipment for liquefied natural gas - Design of onshore installations

This document gives guidelines for the design, construction and operation of all onshore liquefied natural gas (LNG) installations for the liquefaction, storage, vaporization, transfer and handling of LNG and natural gas (NG).
This document is applicable for plants with an LNG storage capacity above 200 t.
The designated boundary limits are LNG inlet/outlet by the ship’s manifold including vapour return connection, the truck loading/unloading connection including vapour return, the rail car loading/unloading connection including vapour return and the natural gas in and outlet boundary by piping systems.
Terminals or plant types have one or more boundary limits as described in this scope (see Figure 1).
A short description of each of these installations is given in Annex G.
Feed gas for LNG liquefaction installations (plant) can be from gas field, associated gas from oil field, piped gas from transportation grid or from renewables.
Floating solutions (for example FPSO, FSRU, SRV), whether off-shore or near-shore, are not covered by this document even if some concepts, principles or recommendations could be applied. However, in case of berthed FSRU with LNG transfer across the jetty, the following recommendations apply for the jetty and topside facilities.
In case of solutions using floating storage unit (FSU) and land-based re-gasification solution, the on-shore part is covered by these standard recommendations.
Plants with a storage inventory from 5 t up to 200 t are covered by [5].

Anlagen und Ausrüstung für Flüssigerdgas - Auslegung von landseitigen Anlagen

Dieses Dokument gibt Leitlinien für die Planung, den Bau und den Betrieb von allen landseitigen Flüssigerdgasanlagen für die Verflüssigung von Erdgas sowie für die Lagerung, die Verdampfung, die Weiterleitung und den Umgang mit LNG und Erdgas (NG, en: natural gas).
Dieses Dokument ist anzuwenden für Anlagen mit einer LNG-Lagerkapazität von mehr als 200 t.
Die vorgesehenen Anlagengrenzen sind der LNG Ein- und Austritt durch die Schiffsübergabestelle einschließlich Dampfrücklaufanschluss, der Anschluss für die Be- und Entladung von Tankwagen einschließlich Dampfrückführung, der Anschluss für die Be- und Entladung von Schienenfahrzeugen einschließlich Dampfrückführung und die Ein- und Austrittsgrenze von Erdgas durch Rohrleitungssysteme.
Anlandeterminals oder Anlagentypen haben eine oder mehrere Abgrenzungen, wie in diesem Anwendungsbereich beschrieben (siehe Bild 1).
[Bild 1]
Eine kurze Beschreibung jeder dieser Anlagen ist in Anhang G enthalten.
Einspeisegas für LNG-Verflüssigungsanlagen kann aus einem Erdgasfeld, Erdölbegleitgas aus einer Erdöllagerstätte, Pipelinegas aus einem Gasleitungsnetz oder aus erneuerbaren Quellen sein.
Schwimmende Lösungen (z. B. FPSO, FSRU, SRV), ob auf See oder in Küstennähe, werden in diesem Dokument nicht behandelt, auch wenn einige Begriffe, Grundsätze oder Empfehlungen auf sie angewendet werden könnten. Bei fest vertäuten LNG-Wiederverdampfungsanlagen (FSRU) mit LNG-Transfer über einen Schiffsanleger gelten die nachfolgenden Empfehlungen für den Schiffsanleger (inklusive der Einrichtungen auf dem Schiffsanleger).
Bei Lösungen in Form von schwimmenden Lagern (FSU) und Wiederverdampfung an Land wird der landseitige Teil durch die Empfehlungen dieser Norm abgedeckt.
Anlagen mit einem Lagerbestand von 5 t bis zu 200 t werden in [5] behandelt.

Installation et équipements de gaz naturel liquéfié - Conception des installation terrestres

Le présent document donne des lignes directrices relatives à la conception, à la construction et au fonctionnement de toutes les installations terrestres de gaz naturel liquéfié (GNL) destinées à la liquéfaction, au stockage, à la vaporisation, au transfert et à la manipulation du GNL et du gaz naturel (GN).
Le présent document est valable pour les installations comportant un stockage de GNL d’une capacité supérieure à 200 t.
Les limites de propriété prévues correspondent à l’entrée/la sortie du GNL à la bride du navire incluant la connexionde retour gaz, les connexions de chargement/déchargement des camions incluant le retour gaz, la connexion de chargement/déchargement des trains incluant le retour gaz, ainsi que les limites de propriété en entrée et sortie du gaz naturel par les réseaux de tuyauterie.
Les différents types de terminaux ou d’installations possèdent une ou plusieurs limites de propriété, comme indiqué dans le présent domaine d’application (voir Figure 1).
Une description succincte de ces différentes installations est donnée dans l’Annexe G.
Le gaz alimentant les terminaux de liquéfaction de GNL (installation) peut être du gaz de champ, du gaz associé à un champ de pétrole, du gaz de canalisation provenant du réseau de transport ou de sources d’énergie renouvelables.
Les solutions flottantes (FPSO, FSRU, SRV), qu’elles soient off-shore ou à proximité du rivage, ne sont pas couvertes par ce document, même si certains concepts, principes ou recommandations pourraient être appliquées. Toutefois, en cas de FSRU amarré avec transfert de GNL à travers la jetée, les recommandations suivantes s’appliquent pour la jetée et les installations de superstructures.
En cas de solution de type unité de stockage flottante (FSU) et de solution terrestre de re-gazification, la partie sur la rive est couverte par les présentes recommandations normalisées.
Les installations d’une capacité de stockage comprise entre 5 t et 200 t sont couvertes par [35].

Napeljave in oprema za utekočinjeni zemeljski plin - Načrtovanje kopenskih napeljav

General Information

Status
Published
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Due Date
19-May-2021
Completion Date
19-May-2021

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Standards Content (sample)

SLOVENSKI STANDARD
SIST EN 1473:2021
01-julij-2021
Nadomešča:
SIST EN 1473:2016
Napeljave in oprema za utekočinjeni zemeljski plin - Načrtovanje kopenskih
napeljav

Installation and equipment for liquefied natural gas - Design of onshore installations

Anlagen und Ausrüstung für Flüssigerdgas - Auslegung von landseitigen Anlagen

Installations et équipements de gaz naturel liquéfié - Conception des installations

terrestres
Ta slovenski standard je istoveten z: EN 1473:2021
ICS:
75.200 Oprema za skladiščenje Petroleum products and
nafte, naftnih proizvodov in natural gas handling
zemeljskega plina equipment
SIST EN 1473:2021 en,fr,de

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

---------------------- Page: 1 ----------------------
SIST EN 1473:2021
---------------------- Page: 2 ----------------------
SIST EN 1473:2021
EN 1473
EUROPEAN STANDARD
NORME EUROPÉENNE
May 2021
EUROPÄISCHE NORM
ICS 75.200 Supersedes EN 1473:2016
English Version
Installation and equipment for liquefied natural gas -
Design of onshore installations

Installation et équipements de gaz naturel liquéfié - Anlagen und Ausrüstung für Flüssigerdgas - Auslegung

Conception des installation terrestres von landseitigen Anlagen
This European Standard was approved by CEN on 15 February 2021.

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

© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 1473:2021 E

worldwide for CEN national Members.
---------------------- Page: 3 ----------------------
SIST EN 1473:2021
EN 1473:2021 (E)
Contents Page

European foreword ....................................................................................................................................................... 4

Introduction .................................................................................................................................................................... 5

1 Scope .................................................................................................................................................................... 6

2 Normative references .................................................................................................................................... 7

3 Terms, definitions and abbreviated terms ......................................................................................... 11

3.1 Terms and definitions ................................................................................................................................ 11

3.2 Abbreviations ................................................................................................................................................ 17

4 Quality management system .................................................................................................................... 18

5 Site assessment ............................................................................................................................................. 18

5.1 General and plant description ................................................................................................................. 18

5.2 Geotechnical ................................................................................................................................................... 18

5.3 Meteorological and Oceanographic ....................................................................................................... 20

5.4 Environmental............................................................................................................................................... 21

5.5 Surroundings ................................................................................................................................................. 23

5.6 Seismic ............................................................................................................................................................. 23

5.7 Hydrology ........................................................................................................................................................ 24

5.8 Social ................................................................................................................................................................. 24

6 Risk management ......................................................................................................................................... 25

6.1 General ............................................................................................................................................................. 25

6.2 Hazard and risk assessment methodologies ...................................................................................... 26

6.3 Scenario identification ............................................................................................................................... 31

6.4 Consequence and impact assessment ................................................................................................... 32

6.5 Estimation of frequencies and probabilities ...................................................................................... 36

6.6 Safety improvement .................................................................................................................................... 36

6.7 Reviews ............................................................................................................................................................ 37

6.8 Safety during operation ............................................................................................................................. 37

7 Design ............................................................................................................................................................... 38

7.1 General ............................................................................................................................................................. 38

7.2 Civil structures .............................................................................................................................................. 39

7.3 Electrical .......................................................................................................................................................... 53

7.4 Mechanical and piping design/material selection ........................................................................... 56

7.5 Process automation and controls ........................................................................................................... 66

7.6 Process technical safety ............................................................................................................................. 72

7.7 Marine transfer systems ............................................................................................................................ 75

7.8 Storage unit .................................................................................................................................................... 77

7.9 Rotating equipment ..................................................................................................................................... 81

7.10 Regasification and send-out unit ............................................................................................................ 83

7.11 Trailer loading unit ..................................................................................................................................... 84

7.12 Liquefaction unit .......................................................................................................................................... 84

7.13 Buildings .......................................................................................................................................................... 84

7.14 LNG and NG quality measurement ......................................................................................................... 85

7.15 Custody transfer flow metering .............................................................................................................. 86

7.16 Boil-Off Gas (BOG) systems ....................................................................................................................... 86

7.17 Flare/vent system ........................................................................................................................................ 89

7.18 Utilities ............................................................................................................................................................. 91

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SIST EN 1473:2021
EN 1473:2021 (E)

Annex A (normative) Thermal radiation threshold values ........................................................................ 94

Annex B (normative) Definitions of reference flow rates ........................................................................... 97

Annex C (informative) Seismic classification ............................................................................................... 101

Annex D (normative) Specific requirements for LNG pumps ................................................................. 103

Annex E (normative) Specific requirements for LNG vaporizers .......................................................... 109

Annex F (normative) Criteria for the design of pipes ................................................................................ 115

Annex G (informative) Description of the different types of onshore LNG installations .............. 116

Annex H (informative) Trailer loading unit .................................................................................................. 118

Annex I (informative) Frequency ranges ....................................................................................................... 120

Annex J (informative) Classes of consequence ............................................................................................. 121

Annex K (informative) Levels of risk ............................................................................................................... 122

Annex L (informative) Typical process steps of liquefaction ................................................................. 124

Annex M (informative) Odorant systems ....................................................................................................... 133

Bibliography .............................................................................................................................................................. 136

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SIST EN 1473:2021
EN 1473:2021 (E)
European foreword

This document (EN 1473:2021) has been prepared by Technical Committee CEN/TC 282 “Installation

and equipment for LNG”, 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 November 2021, and conflicting national standards

shall be withdrawn at the latest by November 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.

This document supersedes EN 1473:2016.

Due to the incorporation of pressurized storage the standard has been re-structured and revised. In

comparison with EN 1473:2016, the following changes have been made:
— duplications detected and deleted;
— terms and definitions adjusted;
— normative references updated;
— changed subject in Annex H;
— risk assessment requirements improved;
— storage tanks classification improved.

According to the CEN-CENELEC Internal Regulations, the national standards organisations 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.
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SIST EN 1473:2021
EN 1473:2021 (E)
Introduction

The objective of this document is to give functional guidelines for on-shore LNG installations. It

recommends procedures and practices that will result in safe and environmentally acceptable design,

construction and operation of LNG plants.

Given the wide range of facilities from small to large, with high and low risk profile, etc., the

acceptability criteria could vary depending on the project and are subject to conclusions by the

normative risk assessment.

Seveso, PED, and ATEX Directives are expected to be followed. Where national and/or local regulations

exist in which some of the requirements are equal or more stringent than in this document, it is up to

agreement with national and/or local regulators to determine which of the requirements apply.

It does not need to be applied retrospectively, but application is recommended when major

modifications of existing installations are being considered.

This document is also recommended for debottlenecking, revamping and plant life extension in the

limits that will be defined by the local authority. The appliance of the European Directives to the

existing facilities is part of the limits to be defined together with the local authority.

In case of plant expansion, this document is applicable for the new facilities. The application of these

recommendations for the tie-ins and connections to the existing facilities will be defined by the local

authority. The limits of such application should consider the practicality of such appliance. In the same

way, the limits of the European Directives appliance will be accurately defined with the local authority.

---------------------- Page: 7 ----------------------
SIST EN 1473:2021
EN 1473:2021 (E)
1 Scope

This document gives guidelines for the design, construction and operation of all onshore liquefied

natural gas (LNG) installations for the liquefaction, storage, vaporization, transfer and handling of LNG

and natural gas (NG).
This document is applicable for plants with an LNG storage capacity above 200 t.

The designated boundary limits are LNG inlet/outlet by the ship’s manifold including vapour return

connection, the truck loading/unloading connection including vapour return, the rail car

loading/unloading connection including vapour return and the natural gas in and outlet boundary by

piping systems.

Terminals or plant types have one or more boundary limits as described in this scope (see Figure 1).

Figure 1 — Boundary limits of onshore liquefied natural gas (LNG) installations
A short description of each of these installations is given in Annex G.

Feed gas for LNG liquefaction installations (plant) can be from gas field, associated gas from oil field,

piped gas from transportation grid or from renewables.

Floating solutions (for example FPSO, FSRU, SRV), whether off-shore or near-shore, are not covered by

this document even if some concepts, principles or recommendations could be applied. However, in

case of berthed FSRU with LNG transfer across the jetty, the following recommendations apply for the

jetty and topside facilities.

In case of solutions using floating storage unit (FSU) and land-based re-gasification solution, the on-

shore part is covered by these standard recommendations.
Plants with a storage inventory from 5 t up to 200 t are covered by [5].
---------------------- Page: 8 ----------------------
SIST EN 1473:2021
EN 1473:2021 (E)
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

EN 809, Pumps and pump units for liquids - Common safety requirements

EN 1092-1, Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN

designated - Part 1: Steel flanges

EN 1127-1, Explosive atmospheres - Explosion prevention and protection - Part 1: Basic concepts and

methodology

EN 1474-2, Installation and equipment for liquefied natural gas - Design and testing of marine transfer

systems - Part 2: Design and testing of transfer hoses

EN 1514-1, Flanges and their joints - Dimensions of gaskets for PN-designated flanges - Part 1: Non-

metallic flat gaskets with or without inserts

EN 1591 (all parts), Flanges and their joints - Design rules for gasketed circular flange connections

EN 1776, Gas infrastructure - Gas measuring systems - Functional requirements
EN 1990, Eurocode - Basis of structural design
EN 1991 (all parts), Eurocode 1: Actions on structures
EN 1992 (all parts), Eurocode 2: Design of concrete structures
EN 1993 (all parts), Eurocode 3: Design of steel structures

EN 1994-1-1, Eurocode 4: Design of composite steel and concrete structures - Part 1-1: General rules and

rules for buildings

EN 1994-1-2, Eurocode 4 - Design of composite steel and concrete structures - Part 1-2: General rules -

Structural fire design
EN 1997-1:2004, Eurocode 7: Geotechnical design - Part 1: General rules
EN 1997 (all parts), Eurocode 7 - Geotechnical design
EN 1998 (all parts), Eurocode 8: Design of structures for earthquake resistance
EN 10204, Metallic products - Types of inspection documents

EN 12065, Installations and equipment for liquefied natural gas - Testing of foam concentrates designed

for generation of medium and high expansion foam and of extinguishing powders used on liquefied natural

gas fires
EN 12162, Liquid pumps - Safety requirements - Procedure for hydrostatic testing
As impacted by EN 1997-1:2004/AC:2009.
---------------------- Page: 9 ----------------------
SIST EN 1473:2021
EN 1473:2021 (E)

EN 12483, Liquid pumps - Pump units with frequency inverters - Guarantee and compatibility tests

EN 13445 (all parts), Unfired pressure vessels
EN 13458 (all parts), Cryogenic vessels - Static vacuum insulated vessels
EN 13480 (all parts), Metallic industrial piping

EN 13766, Thermoplastic multi-layer (non-vulcanized) hoses and hose assemblies for the transfer of liquid

petroleum gas and liquefied natural gas - Specification
EN 14197 (all parts), Cryogenic vessels - Static non-vacuum insulated vessels

EN 14620 (all parts), , Design and manufacture of site built, vertical, cylindrical, flat-bottomed steel tanks

for the storage of refrigerated, liquefied gases with operating temperatures between 0 °C and -165 °C

EN 60079-0, Explosive atmospheres - Part 0: Equipment - General requirements (IEC 60079-0)

EN 60079-1, Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures "d"

(IEC 60079-1)

EN 60079-2, Explosive atmospheres - Part 2: Equipment protection by pressurized enclosure "p"

(IEC 60079-2)

EN 60079-5, Explosive atmospheres - Part 5: Equipment protection by powder filling "q" (IEC 60079-5)

EN 60079-6, Explosive atmospheres - Part 6: Equipment protection by liquid immersion "o" (IEC 60079-6)

EN 60079-7, Explosive atmospheres - Part 7: Equipment protection by increased safety "e" (IEC 60079-7)

EN 60079-10-1, Explosive atmospheres - Part 10-1: Classification of areas - Explosive gas atmospheres

(IEC 60079-10-1)

EN 60079-10-2, Explosive atmospheres - Part 10-2: Classification of areas - Explosive dust atmospheres

(IEC 60079-10-2)

EN 60079-11, Explosive atmospheres - Part 11: Equipment protection by intrinsic safety "i"

(IEC 60079-11)

EN 60079-13, Explosive atmospheres - Part 13: Equipment protection by pressurized room "p" and

artificially ventilated room "v" (IEC 60079-13)

EN 60079-14, Explosive atmospheres - Part 14: Electrical installations design, selection and erection

(IEC 60079-14)

EN 60079-15, Explosive atmospheres - Part 15: Equipment protection by type of protection "n"

(IEC 60079-15)

EN 60079-17, Explosive atmospheres - Part 17: Electrical installations inspection and maintenance

(IEC 60079-17)

EN 60079-18, Explosive atmospheres - Part 18: Equipment protection by encapsulation "m"

(IEC 60079-18)
---------------------- Page: 10 ----------------------
SIST EN 1473:2021
EN 1473:2021 (E)

EN 60079-19, Explosive atmospheres - Part 19: Equipment repair, overhaul and reclamation

(IEC 60079-19)

EN 60079-20-1, Explosive atmospheres - Part 20-1: Material characteristics for gas and vapour

classification - Test methods and data (IEC 60079-20-1)

EN 60079-25, Explosive atmospheres - Part 25: Intrinsically safe electrical systems (IEC 60079-25)

EN 60204-1, Safety of machinery - Electrical equipment of machines - Part 1: General requirements

(IEC 60204-1)
EN 60529, Degrees of protection provided by enclosures (IP Code) (IEC 60529)

EN 61508 (all parts), Functional safety of electrical/electronic/programmable electronic safety-related

systems (IEC 61508 series)

EN 61800 (all parts), Adjustable speed electrical power drive systems (IEC 61800 all parts)

EN 62305 (all parts), Protection against lightning (IEC 62305 all parts)

EN ISO 1460, Metallic coatings - Hot dip galvanized coatings on ferrous materials - Gravimetric

determination of the mass per unit area (ISO 1460)

EN ISO 1461, Hot dip galvanized coatings on fabricated iron and steel articles - Specifications and test

methods (ISO 1461)

EN ISO 3452-1, Non-destructive testing - Penetrant testing - Part 1: General principles (ISO 3452-1)

EN ISO 6974 (all parts), Natural gas - Determination of composition with defined uncertainty by gas

chromatography (ISO 6974 all parts)

EN ISO 6976, Natural gas - Calculation of calorific values, density, relative density and Wobbe indices from

composition (ISO 6976)

EN ISO 9606-1, Qualification testing of welders - Fusion welding - Part 1: Steels (ISO 9606-1)

EN ISO 9712, Non-destructive testing - Qualification and certification of NDT personnel (ISO 9712)

EN ISO 9906, Rotodynamic pumps - Hydraulic performance acceptance tests - Grades 1, 2 and 3

(ISO 9906)
EN ISO 10380, Pipework - Corrugated metal hoses and hose assemblies (ISO 10380)
EN ISO 10497, Testing of valves - Fire type-testing requirements (ISO 10497)
EN ISO 10715, Natural gas - Sampling guidelines (ISO 10715)

EN ISO 10723, Natural gas - Performance evaluation for analytical systems (ISO 10723)

EN ISO 12241, Thermal insulation for building equipment and industrial installations - Calculation rules

(ISO 12241)

EN ISO 12944 (all parts), Paints and varnishes - Corrosion protection of steel structures by protective

paint systems (ISO 12944 all parts)
---------------------- Page: 11 ----------------------
SIST EN 1473:2021
EN 1473:2021 (E)

EN ISO 13709, Centrifugal pumps for petroleum, petrochemical and natural gas industries (ISO 13709)

EN ISO 15607, Specification and qualification of welding procedures for metallic materials - General rules

(ISO 15607)

EN ISO 15609-1, Specification and qualification of welding procedures for metallic materials - Welding

procedure specification - Part 1: Arc welding (ISO 15609-1)

EN ISO 15614-1, Specification and qualification of welding procedures for metallic materials - Welding

procedure test - Part 1: Arc and gas welding of steels and arc welding of nickel and nickel alloys

(ISO 15614-1)

EN ISO 16903:2015, Petroleum and natural gas industries - Characteristics of LNG, influencing the design,

and material selection (ISO 16903:2015)

EN ISO 16904, Petroleum and natural gas industries - Design and testing of LNG marine transfer arms for

conventional onshore terminals (ISO 16904)

EN ISO 17636-1, Non-destructive testing of welds - Radiographic testing - Part 1: X- and gamma-ray

techniques with film (ISO 17636-1)

EN ISO 17636-2, Non-destructive testing of welds - Radiographic testing - Part 2: X- and gamma-ray

techniques with digital detectors (ISO 17636-2)

EN ISO 17637, Non-destructive testing of welds - Visual testing of fusion-welded joints (ISO 17637)

EN ISO 17640, Non-destructive testing of welds - Ultrasonic testing - Techniques, testing levels, and

assessment (ISO 17640)

EN ISO 20519, Ships and marine technology - Specification for bunkering of liquefied natural gas fuelled

vessels (ISO 20519)
EN ISO 21012, Cryogenic vessels - Hoses (ISO 21012)

EN ISO 28460, Petroleum and natural gas industries - Installation and equipment for liquefied natural gas

- Ship-to-shore interface and port operations (ISO 28460)

EN ISO 28921 (all parts), Industrial valves - Isolating valves for low-temperature applications (ISO 28921

all parts)
IEC 60364 (all parts), Low-voltage electrical installations

IEC 61511, Functional safety - Safety instrumented systems for the process industry sector

ISO 6578, Refrigerated hydrocarbon liquids - Static measurement - Calculation procedure

---------------------- Page: 12 ----------------------
SIST EN 1473:2021
EN 1473:2021 (E)
3 Terms, definitions and abbreviated terms
3.1 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 http://www.electropedia.org/
3.1.1
abnormal operation

operation of the plant, or plant thereof, under the effect of internal failures or under the effect of

foreseeable influences outside the specified operational conditions
[SOURCE: ISO 23552-1:2007, 3.10]
3.1.2
accidental event

event that arises from an uncontrolled or unplanned situation with safety and/or environmental

consequences
3.1.3
action
a) set of forces (loads) applied to the structure (direct action) or
b) set of imposed deformation or accelerations (indirect action)

Note 1 to entry: Imposed deformation or acceleration could be caused, for example, by temperature changes,

moisture variation, uneven settlement or earthquakes.
3.1.4
base slab
continuous concrete base supporting the tank (either on the ground or elevated)
3.1.5
boil-off gas
BOG

natural gas resulting from slow evaporation of LNG at its equilibrium state or rapid evaporation of LNG,

also called flashing, inside equipment
3.1.6
boundary

property line on land or water inside of which the operator/owner has full control and authority, or

exclusive use
3.1.7
bund wall

raised impermeable structure, able to withstand the hydrostatic pressure and temperature of the

spilled liquid, around the perimeter of an impounding area for the confinement of hydrocarbon spills,

usually associated with storage areas
---------------------- Page: 13 ----------------------
SIST EN 1473:2021
EN 1473:2021 (E)
3.1.8
condensate

hydrocarbon liquids (liquid state at standard conditions) produced from primary separation of natural

gas from a reservoir

Note 1 to entry: Natural gas condensates consist primarily of pentanes and heavier components, although

quantities of propane and butane could be dissolved within the mixture.
3.1.9
control room

core functional entity, and its associated physical structure, where control room operators are stationed

to carry out centralized control, monitoring and administrative responsibilities
[SOURCE: EN ISO 11064-5:2008, 3.9]
3.1.10
control room operator

individual whose primary duties relate to the conduct of monitoring and control functions, usually at a

control workstation, either on their own or in conjunction with other personnel both within the control

room or outside

Note 1 to entry: In special cases based on the evaluated risk, control room operators may perform their duties

for the installation via remote access.
[SOURCE: EN ISO 11064-3:1999, 3.5]
3.1.11
conventional onshore LNG terminal

LNG export or receiving terminal that is located on-shore and has a marine transfer facility for the

loading or unloading of LNG carriers
Note 1 to entry: The
...

SLOVENSKI STANDARD
oSIST prEN 1473:2020
01-januar-2020
Napeljave in oprema za utekočinjeni zemeljski plin - Načrtovanje kopenskih
napeljav

Installation and equipment for liquefied natural gas - Design of onshore installations

Anlagen und Ausrüstung für Flüssigerdgas - Auslegung von landseitigen Anlagen

Installations et équipements de gaz naturel liquéfié - Conception des installations

terrestres
Ta slovenski standard je istoveten z: prEN 1473
ICS:
75.200 Oprema za skladiščenje Petroleum products and
nafte, naftnih proizvodov in natural gas handling
zemeljskega plina equipment
oSIST prEN 1473:2020 en,fr,de

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

---------------------- Page: 1 ----------------------
oSIST prEN 1473:2020
---------------------- Page: 2 ----------------------
oSIST prEN 1473:2020
DRAFT
EUROPEAN STANDARD
prEN 1473
NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2019
ICS 75.200 Will supersede EN 1473:2016
English Version
Installation and equipment for liquefied natural gas -
Design of onshore installations

Installation et équipements de gaz naturel liquéfié - Anlagen und Ausrüstung für Flüssigerdgas - Auslegung

Conception des installation terrestres von landseitigen Anlagen

This draft European Standard is submitted to CEN members for second enquiry. It has been drawn up by the Technical

Committee CEN/TC 282.

If this draft becomes a European Standard, 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.

This draft European Standard was established by CEN 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.

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.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without

notice and shall not be referred to as a European Standard.
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. prEN 1473:2019 E

worldwide for CEN national Members.
---------------------- Page: 3 ----------------------
oSIST prEN 1473:2020
prEN 1473:2019 (E)
Contents Page

European foreword ....................................................................................................................................................... 9

Introduction ................................................................................................................................................................. 10

1 Scope ................................................................................................................................................................. 11

2 Normative references ................................................................................................................................. 11

3 Terms and definitions ................................................................................................................................ 16

4 Quality management system .................................................................................................................... 22

5 Site assessment ............................................................................................................................................. 22

5.1 General and plant description ................................................................................................................. 22

5.2 Geotechnical ................................................................................................................................................... 22

5.2.1 Characteristics of the soil .......................................................................................................................... 22

5.2.2 Foundation design and levelling of the site ........................................................................................ 24

5.2.3 Marine geotechnical characteristics for jetty design and marine access ................................ 25

5.2.4 Harbour dredging ........................................................................................................................................ 25

5.3 Meteorological and Oceanographic ....................................................................................................... 25

5.3.1 General ............................................................................................................................................................. 25

5.3.2 Met-ocean data effects ................................................................................................................................ 25

5.3.3 Air temperatures and humidity effects ................................................................................................ 26

5.3.4 Lightning effects ........................................................................................................................................... 26

5.3.5 Wind and barometric data effect ............................................................................................................ 26

5.3.6 Precipitation data effects .......................................................................................................................... 26

5.4 Environmental............................................................................................................................................... 26

5.4.1 Environmental impact assessment ........................................................................................................ 26

5.4.2 Plant emissions/emission control ......................................................................................................... 27

5.4.3 Flare/venting philosophy ......................................................................................................................... 27

5.4.4 Noise control .................................................................................................................................................. 28

5.4.5 Biological environment .............................................................................................................................. 28

5.5 Infrastructure ................................................................................................................................................ 28

5.5.1 Surrounding infrastructures .................................................................................................................... 28

5.5.2 Site lay-out ...................................................................................................................................................... 28

5.5.3 Nautical and environmental ..................................................................................................................... 29

5.5.4 Underground utilities ................................................................................................................................. 29

5.6 Seismic ............................................................................................................................................................. 29

5.6.1 Seismic general ............................................................................................................................................. 29

5.6.2 Tsunamis ......................................................................................................................................................... 30

5.7 Hydrology ........................................................................................................................................................ 30

5.7.1 Drainage effects ............................................................................................................................................ 30

5.7.2 Aquifers, erosion and ground water impact study .......................................................................... 30

5.8 Social ................................................................................................................................................................. 30

5.8.1 Community health, safety and security ................................................................................................ 30

5.8.2 Population settlements .............................................................................................................................. 30

5.8.3 Other subjects ................................................................................................................................................ 31

6 Risk management ......................................................................................................................................... 31

6.1 General ............................................................................................................................................................. 31

6.2 Quantitative Risk Assessment ................................................................................................................. 32

6.3 Risk assessment methodology ................................................................................................................ 32

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oSIST prEN 1473:2020
prEN 1473:2019 (E)

6.3.1 General ............................................................................................................................................................. 32

6.3.2 HAZID ................................................................................................................................................................ 33

6.3.3 FMEA .................................................................................................................................................................. 33

6.3.4 Risk matrix ...................................................................................................................................................... 33

6.3.5 HAZOP ............................................................................................................................................................... 34

6.3.6 Bow-tie analysis ............................................................................................................................................ 34

6.3.7 LOPA .................................................................................................................................................................. 34

6.3.8 SIL analysis ...................................................................................................................................................... 35

6.4 Scenario identification ................................................................................................................................ 35

6.4.1 Identification of risk sources and causes of external origin ......................................................... 35

6.4.2 Identification of scenarios arising from LNG ...................................................................................... 35

6.4.3 Identification of other hazards and scenario causes of internal origin .................................... 36

6.5 Consequence and impact assessment ................................................................................................... 37

6.5.1 General ............................................................................................................................................................. 37

6.5.2 Fire ..................................................................................................................................................................... 37

6.5.3 Explosion ......................................................................................................................................................... 37

6.5.4 Gas cloud dispersion .................................................................................................................................... 38

6.5.5 Pooling .............................................................................................................................................................. 39

6.5.6 Safety distances ............................................................................................................................................. 40

6.6 Estimation of frequencies and probabilities ...................................................................................... 40

6.7 Safety improvement..................................................................................................................................... 40

6.8 Reviews ............................................................................................................................................................ 40

6.9 Safety management ...................................................................................................................................... 41

6.9.1 Operational procedures ............................................................................................................................. 41

6.9.2 Maintenance procedures ........................................................................................................................... 41

6.9.3 Training ............................................................................................................................................................ 41

6.9.4 Emergency response ................................................................................................................................... 42

6.9.5 Terminal firefighting maintenance and training .............................................................................. 42

7 Design ............................................................................................................................................................... 42

7.1 General ............................................................................................................................................................. 42

7.2 Civil structures .............................................................................................................................................. 42

7.2.1 General ............................................................................................................................................................. 42

7.2.2 Area drainage and spill control ............................................................................................................... 42

7.2.3 Crash barriers ................................................................................................................................................ 44

7.2.4 Fire protection ............................................................................................................................................... 44

7.2.5 Insulation ......................................................................................................................................................... 49

7.2.6 Lay-out requirements ................................................................................................................................. 51

7.2.7 Seismic .............................................................................................................................................................. 52

7.2.8 Geotechnical ................................................................................................................................................... 52

7.2.9 Foundation design ........................................................................................................................................ 52

7.2.10 Pipe ducts or confinement ......................................................................................................................... 53

7.2.11 Pipe racks ........................................................................................................................................................ 53

7.2.12 Fence and plant access ................................................................................................................................ 53

7.3 Electrical .......................................................................................................................................................... 54

7.3.1 IP classification .............................................................................................................................................. 54

7.3.2 Lightning .......................................................................................................................................................... 54

7.3.3 Illumination .................................................................................................................................................... 54

7.3.4 Hazardous area classification .................................................................................................................. 54

7.3.5 Grounding/earthing .................................................................................................................................... 55

7.3.6 High voltage systems/main power supply .......................................................................................... 55

7.3.7 Low voltage systems .................................................................................................................................... 55

7.3.8 Emergency power supply (EPS)............................................................................................................... 55

---------------------- Page: 5 ----------------------
oSIST prEN 1473:2020
prEN 1473:2019 (E)

7.3.9 Uninterruptible Power Supply (UPS) .................................................................................................... 56

7.4 Mechanical and piping design/material selection ........................................................................... 56

7.4.1 Materials .......................................................................................................................................................... 56

7.4.2 Corrosion ......................................................................................................................................................... 57

7.4.3 Painting and coating ................................................................................................................................... 57

7.4.4 Cathodic protection ..................................................................................................................................... 58

7.4.5 Galvanized structures ................................................................................................................................. 58

7.4.6 Piping systems and valves ........................................................................................................................ 58

7.4.7 Isolation valves/ESD valves ...................................................................................................................... 60

7.4.8 Pipe stress ....................................................................................................................................................... 60

7.4.9 Drain and vent design ................................................................................................................................. 61

7.4.10 Surge ................................................................................................................................................................. 61

7.4.11 Safe isolation .................................................................................................................................................. 61

7.4.12 Pressure relief devices ............................................................................................................................... 62

7.4.13 Embrittlement ............................................................................................................................................... 63

7.4.14 Welding and joint connections ................................................................................................................ 63

7.4.15 Testing and inspection ............................................................................................................................... 64

7.4.16 Commissioning and start-up .................................................................................................................... 64

7.4.17 Decommissioning ......................................................................................................................................... 65

7.5 Process automation and controls ........................................................................................................... 65

7.5.1 Control and safeguarding .......................................................................................................................... 65

7.5.2 ESD and PSD/ESD levels ............................................................................................................................. 67

7.5.3 Field instruments and valves ................................................................................................................... 69

7.5.4 Fire, gas and smoke detection ................................................................................................................. 69

7.5.5 Earthquake detection ................................................................................................................................. 70

7.5.6 Human Machine Interface (HMI) ............................................................................................................ 70

7.5.7 Alarm management ..................................................................................................................................... 70

7.5.8 Telecommunication and CCTV requirements .................................................................................... 70

7.5.9 Warning lights ............................................................................................................................................... 71

7.6 Process technical safety ............................................................................................................................. 71

7.6.1 Overfill protection ....................................................................................................................................... 71

7.6.2 Overpressure protection ........................................................................................................................... 71

7.6.3 Vacuum protection ...................................................................................................................................... 72

7.6.4 Leakage ............................................................................................................................................................ 72

7.6.5 Roll-over .......................................................................................................................................................... 72

7.6.6 Low temperature protection .................................................................................................................... 73

7.6.7 Emergency depressurization ................................................................................................................... 73

7.7 Marine transfer systems ............................................................................................................................ 74

7.7.1 General ............................................................................................................................................................. 74

7.7.2 LNG marine transfer systems................................................................................................................... 74

7.7.3 Jetty design ..................................................................................................................................................... 74

7.7.4 Jetty and marine monitoring and control ........................................................................................... 75

7.7.5 Jetty safety and security ............................................................................................................................. 75

7.7.6 Unmanned transfer stations .................................................................................................................... 75

7.8 Storage unit .................................................................................................................................................... 76

7.8.1 General ............................................................................................................................................................. 76

7.8.2 Normal operation ......................................................................................................................................... 76

7.8.3 Abnormal operation .................................................................................................................................... 76

7.8.4 Containment definition .............................................................................................................................. 77

7.8.5 Performance of atmospheric storage concepts ................................................................................. 78

7.8.6 Performance of pressurized storage concepts .................................................................................. 79

7.8.7 Tank types ...................................................................................................................................................... 79

7.9 Rotating equipment ..................................................................................................................................... 80

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oSIST prEN 1473:2020
prEN 1473:2019 (E)

7.9.1 LNG pumps ...................................................................................................................................................... 80

7.9.2 Seawater pumps ............................................................................................................................................ 81

7.9.3 Compressors ................................................................................................................................................... 81

7.9.4 Turbines ........................................................................................................................................................... 82

7.10 Regasification and send-out unit ............................................................................................................ 82

7.10.1 General ............................................................................................................................................................. 82

7.10.2 Water supply .................................................................................................................................................. 82

7.10.3 Gas quality adjustment ............................................................................................................................... 82

7.10.4 Odorisation ..................................................................................................................................................... 83

7.11 Trailer loading unit ...................................................................................................................................... 83

7.11.1 General ............................................................................................................................................................. 83

7.11.2 Metering ........................................................................................................................................................... 83

7.11.3 Inertization ..................................................................................................................................................... 83

7.12 Liquefaction unit
...

SLOVENSKI STANDARD
oSIST prEN 1473:2018
01-april-2018
1DSHOMDYHLQRSUHPD]DXWHNRþLQMHQL]HPHOMVNLSOLQ1DþUWRYDQMHNRSHQVNLK
QDSHOMDY

Installation and equipment for liquefied natural gas - Design of onshore installations

Anlagen und Ausrüstung für Flüssigerdgas - Auslegung von landseitigen Anlagen

Installations et équipements de gaz naturel liquéfié - Conception des installations

terrestres
Ta slovenski standard je istoveten z: prEN 1473
ICS:
75.200 2SUHPD]DVNODGLãþHQMH Petroleum products and
QDIWHQDIWQLKSURL]YRGRYLQ natural gas handling
]HPHOMVNHJDSOLQD equipment
oSIST prEN 1473:2018 en,fr,de

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

---------------------- Page: 1 ----------------------
oSIST prEN 1473:2018
---------------------- Page: 2 ----------------------
oSIST prEN 1473:2018
DRAFT
EUROPEAN STANDARD
prEN 1473
NORME EUROPÉENNE
EUROPÄISCHE NORM
March 2018
ICS 75.200 Will supersede EN 1473:2016
English Version
Installation and equipment for liquefied natural gas -
Design of onshore installations

Installations et équipements de gaz naturel liquéfié - Anlagen und Ausrüstung für Flüssigerdgas - Auslegung

Conception des installations terrestres von landseitigen Anlagen

This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee

CEN/TC 282.

If this draft becomes a European Standard, 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.

This draft European Standard was established by CEN 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, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and United Kingdom.

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.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without

notice and shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2018 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 1473:2018 E

worldwide for CEN national Members.
---------------------- Page: 3 ----------------------
oSIST prEN 1473:2018
prEN 1473:2018 (E)
Contents Page

European foreword ....................................................................................................................................................... 8

Introduction .................................................................................................................................................................... 9

1 Scope ................................................................................................................................................................. 10

2 Normative references ................................................................................................................................. 11

3 Terms and definitions ................................................................................................................................ 15

4 Quality management system .................................................................................................................... 24

5 Site assessment ............................................................................................................................................. 24

5.1 General and plant description ................................................................................................................. 24

5.2 Geotechnical ................................................................................................................................................... 25

5.2.1 Characteristics of the soil .......................................................................................................................... 25

5.2.2 Foundation design and levelling of the site ........................................................................................ 25

5.2.3 Seabed characteristics for jetty design and marine access ........................................................... 25

5.2.4 Harbour dredging ........................................................................................................................................ 25

5.3 Meteorological............................................................................................................................................... 25

5.3.1 General ............................................................................................................................................................. 25

5.3.2 Met-ocean data effects ................................................................................................................................ 25

5.3.3 Air temperatures and humidity effects ................................................................................................ 26

5.3.4 Lightning effects ........................................................................................................................................... 26

5.3.5 Wind and barometric data effect ............................................................................................................ 26

5.3.6 Precipitation data effects .......................................................................................................................... 26

5.3.7 Wave height effects ...................................................................................................................................... 26

5.3.8 Shock waves and flooding ......................................................................................................................... 26

5.4 Environmental............................................................................................................................................... 26

5.4.1 Environmental impact assessment ........................................................................................................ 26

5.4.2 Plant emissions/emission control ......................................................................................................... 27

5.4.3 Flare/venting philosophy ......................................................................................................................... 28

5.4.4 Noise control .................................................................................................................................................. 28

5.4.5 Biological environment .............................................................................................................................. 28

5.5 Infrastructure ................................................................................................................................................ 28

5.5.1 Surrounding infrastructures .................................................................................................................... 28

5.5.2 Site lay-out ...................................................................................................................................................... 28

5.5.3 Ship-shore interface .................................................................................................................................... 29

5.5.4 Underground utilities ................................................................................................................................. 29

5.6 Seismic ............................................................................................................................................................. 29

5.6.1 Seismic general ............................................................................................................................................. 29

5.6.2 Tsunamis ......................................................................................................................................................... 30

5.7 Hydrology ........................................................................................................................................................ 30

5.7.1 Drainage effects ............................................................................................................................................ 30

5.7.2 Aquifers, erosion and ground water impact study .......................................................................... 30

5.8 Social ................................................................................................................................................................. 31

5.8.1 Community health, safety and security ................................................................................................ 31

5.8.2 Population settlements .............................................................................................................................. 31

5.8.3 Other subjects ................................................................................................................................................ 31

6 Risk assessment ............................................................................................................................................ 31

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oSIST prEN 1473:2018
prEN 1473:2018 (E)

6.1 General ............................................................................................................................................................. 31

6.2 QRA .................................................................................................................................................................... 32

6.3 Hazard identification and mitigation .................................................................................................... 32

6.3.1 General ............................................................................................................................................................. 32

6.3.2 HAZID ................................................................................................................................................................ 36

6.3.3 FMEA .................................................................................................................................................................. 36

6.3.4 Risk matrix ...................................................................................................................................................... 36

6.3.5 HAZOP ............................................................................................................................................................... 36

6.3.6 Bow-tie .............................................................................................................................................................. 37

6.3.7 LOPA .................................................................................................................................................................. 37

6.3.8 SIL ....................................................................................................................................................................... 37

6.4 Consequence and impact assessment ................................................................................................... 37

6.4.1 General ............................................................................................................................................................. 37

6.4.2 Fire ..................................................................................................................................................................... 38

6.4.3 Explosion ......................................................................................................................................................... 38

6.4.4 Gas cloud dispersion .................................................................................................................................... 39

6.4.5 Pooling .............................................................................................................................................................. 40

6.4.6 Safety distances ............................................................................................................................................. 40

6.5 Safety management ...................................................................................................................................... 40

6.5.1 Operational procedures ............................................................................................................................. 40

6.5.2 Maintenance procedures ........................................................................................................................... 40

6.5.3 Training ............................................................................................................................................................ 41

6.5.4 Emergency response ................................................................................................................................... 41

6.5.5 Terminal firefighting maintenance and training .............................................................................. 41

7 Design ............................................................................................................................................................... 42

7.1 General ............................................................................................................................................................. 42

7.2 Civil structures .............................................................................................................................................. 42

7.2.1 Area drainage and spill control ............................................................................................................... 42

7.2.2 Crash barriers ................................................................................................................................................ 43

7.2.3 Fire protection ............................................................................................................................................... 43

7.2.4 Insulation ......................................................................................................................................................... 48

7.2.5 Lay-out requirements ................................................................................................................................. 51

7.2.6 Seismic .............................................................................................................................................................. 52

7.2.7 Geotechnical ................................................................................................................................................... 52

7.2.8 Foundation design ........................................................................................................................................ 52

7.2.9 Pipe ducts or confinement ......................................................................................................................... 52

7.2.10 Pipe racks ........................................................................................................................................................ 53

7.2.11 Fence and plant access ................................................................................................................................ 53

7.3 Electrical .......................................................................................................................................................... 53

7.3.1 IP classifiation ................................................................................................................................................ 53

7.3.2 Lightning .......................................................................................................................................................... 53

7.3.3 Illumination .................................................................................................................................................... 54

7.3.4 Hazardous area classification .................................................................................................................. 54

7.3.5 Grounding/earthing .................................................................................................................................... 54

7.3.6 High voltage systems/main power supply .......................................................................................... 54

7.3.7 Low voltage systems .................................................................................................................................... 55

7.3.8 Emergency power supply (EPS)............................................................................................................... 55

7.3.9 Uninterruptible Power Supply (UPS) .................................................................................................... 55

7.4 Mechanical and piping design / material selection ......................................................................... 56

7.4.1 Materials .......................................................................................................................................................... 56

7.4.2 Corrosion ......................................................................................................................................................... 57

7.4.3 Painting and coating .................................................................................................................................... 57

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oSIST prEN 1473:2018
prEN 1473:2018 (E)

7.4.4 Cathodic protection ..................................................................................................................................... 57

7.4.5 Galvanized structures ................................................................................................................................. 58

7.4.6 Piping systems and valves ........................................................................................................................ 58

7.4.7 Isolation valves /ESD valves ..................................................................................................................... 59

7.4.8 Pipe stress ....................................................................................................................................................... 60

7.4.9 Drain and vent design ................................................................................................................................. 60

7.4.10 Surge ................................................................................................................................................................. 61

7.4.11 Safe isolation .................................................................................................................................................. 61

7.4.12 Pressure relief devices ............................................................................................................................... 61

7.4.13 Embrittlement ............................................................................................................................................... 63

7.4.14 Welding ............................................................................................................................................................ 63

7.4.15 Testing and inspection ............................................................................................................................... 64

7.4.16 Commissioning and start-up .................................................................................................................... 64

7.4.17 Decommissioning ......................................................................................................................................... 66

7.5 Process automation and controls ........................................................................................................... 66

7.5.1 Control and safeguarding .......................................................................................................................... 66

7.5.2 Control room .................................................................................................................................................. 67

7.5.3 ESD and PSD /ESD-levels ........................................................................................................................... 68

7.5.4 Field instruments and valves ................................................................................................................... 69

7.5.5 Fire, gas and smoke detection ................................................................................................................. 70

7.5.6 Leak detection ............................................................................................................................................... 71

7.5.7 General user interface/HMI ..................................................................................................................... 71

7.5.8 Alarm management ..................................................................................................................................... 72

7.5.9 Telecommunication and CCTV requirements .................................................................................... 72

7.5.10 Warning lights and horn ............................................................................................................................ 73

7.6 Process technical safety ............................................................................................................................. 73

7.6.1 Overfill protection ....................................................................................................................................... 73

7.6.2 Overpressure protection ........................................................................................................................... 73

7.6.3 Vacuum protection ...................................................................................................................................... 74

7.6.4 Leakage ............................................................................................................................................................ 74

7.6.5 Roll-over .......................................................................................................................................................... 74

7.6.6 Low temperature protection .................................................................................................................... 75

7.7 Marine transfer systems ............................................................................................................................ 75

7.7.1 General ............................................................................................................................................................. 75

7.7.2 LNG marine transfer systems................................................................................................................... 75

7.7.3 Jetty design ..................................................................................................................................................... 76

7.7.4 Jetty and marine monitoring and control ........................................................................................... 76

7.7.5 Jetty safety and security ............................................................................................................................. 77

7.7.6 Unmanned transfer stations .................................................................................................................... 77

7.8 Storage unit .................................................................................................................................................... 77

7.8.1 General ............................................................................................................................................................. 77

7.8.2 Design requirements /normal operation ............................................................................................ 77

7.8.3 Atmospheric storages ................................................................................................................................. 78

7.8.4 Pressurized storages ................................................................................................................................... 79

7.9 Rotating equipment ..................................................................................................................................... 80

7.9.1 Pumps ............................................................................................................................................................... 80

7.9.2 Compressors .................................................................................................................................................. 81

7.9.3 Turbines .......................................................................................................................................................... 81

7.10 Regasification and send-out unit ............................................................................................................ 81

7.10.1 General ............................................................................................................................................................. 81

7.10.2 Water supply .................................................................................................................................................. 82

7.10.3 Gas quality adjustment .............................................................................................................................. 82

7.10.4 Odourizing ...................................................................................................................................................... 83

---------------------- Page: 6 ----------------------
oSIST prEN 1473:2018
prEN 1473:2018 (E)

7.11 Trailer loading unit ...................................................................................................................................... 83

7.11.1 General ............................................................................................................................................................. 83

7.11.2 Metering ........................................................................................................................................................... 83

7.11.3 Inertization ..................................................................................................................................................... 83

7.12 Liquefaction unit ........................................................................................................................................... 83

7.12.1 General ............................................................................................................................................................. 83

7.12.2 Gas contamination removal ...................................................................................................................... 83

7.13 Buildings .......................................................................................................................................................... 83

7.13.1 General ............................................................................................................................................................. 83

7.14 Quality measurement .................................................................................................................................. 84

7.14.1 General ............................................................................................................................................................. 84

7.14.2 LNG quality measurement ......................................................................................................................... 84

7.14.3 Natural gas quality measurement ...............
...

Questions, Comments and Discussion

Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.