Natural gas vehicles - Requirements for liquefied natural gas vehicle (LNGV) workshops and the management of liquefied natural gas (LNG) vehicles

This document provides requirements for operation of vehicles that use liquefied natural gas (LNG) as a fuel for propulsion, covering various aspects of LNGV workshops including activities, risk management, planning, personnel, layout, systems and operations. It provides requirements regarding the management of LNGV including use, parking, fuelling for commissioning, inspection, installation, repair and maintenance, disposal, transportation and documentation.
This document is applicable to the management of LNG vehicles.

Erdgasfahrzeuge - Anforderungen an Werkstätten und das Management von mit LNG betriebenen Fahrzeugen

Dieses Dokument enthält Anforderungen zum Betrieb von Fahrzeugen, die verflüssigtes Erdgas (LNG) als Kraftstoff für den Antrieb verwenden, und behandelt hierbei verschiedene Aspekte einschließlich Tätigkeiten, Risikomanagement, Planung, Personal, Aufbau, Systeme sowie Betrieb von Werkstätten für LNG-Fahrzeuge. Es enthält Anforderungen an die Handhabung von LNG-Fahrzeugen, einschließlich Gebrauch, Parken, Betankung für die Inbetriebnahme, Inspektion, Installation, Reparatur und Wartung, Entsorgung, Transport und Dokumentation.
Dieses Dokument gilt für die Handhabung von LNG-Fahrzeugen.

Exploitation de véhicules fonctionnant au gaz naturel - Exigences relatives aux ateliers pour véhicules gaz naturel liquéfié (VGNL) et à la gestion des véhicules fonctionnant au gaz naturel liquéfié (GNL)

Le présent document fournit des exigences relatives à l'utilisation des véhicules fonctionnant au gaz naturel liquéfié (GNL) en tant que carburant pour la propulsion, et couvre différents aspects des ateliers pour véhicules GNL, notamment les activités, le management du risque, la planification, le personnel, la disposition, les systèmes et l'exploitation. Il fournit des exigences concernant la gestion des véhicules GNL, y compris l'utilisation, le stationnement, le ravitaillement pour la mise en service, le contrôle, l'installation, la réparation et la maintenance, la mise au rebut, le transport et la documentation.
Le présent document est applicable à la gestion des véhicules GNL.

Vozila na zemeljski plin - Zahteve za delavnice in upravljanje z vozili na utekočinjeni zemeljski plin (LNG)

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Standards Content (Sample)

oSIST prEN 17932:2023
Vozila na zemeljski plin - Zahteve za delavnice in upravljanje vozil na utekočinjeni
zemeljski plin
Natural gas vehicles - Requirements for LNGV workshops and the management of
liquefied natural gas (LNG) vehicles
Erdgasfahrzeuge - Anforderungen an Werkstätten und das Management von mit LNG
betriebenen Fahrzeugen
Ta slovenski standard je istoveten z: prEN 17932
43.180 Diagnostična, vdrževalna in Diagnostic, maintenance and
preskusna oprema test equipment
75.060 Zemeljski plin Natural gas
oSIST prEN 17932:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

oSIST prEN 17932:2023
oSIST prEN 17932:2023
prEN 17932
February 2023
English Version
Natural gas vehicles - Requirements for LNGV workshops
and the management of liquefied natural gas (LNG)
Erdgasfahrzeuge - Anforderungen an Werkstätten und
das Management von mit LNG betriebenen Fahrzeugen
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 326.
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, Türkiye 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.



CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 17932:2023 E
worldwide for CEN national Members.

oSIST prEN 17932:2023
prEN 17932:2023 (E)
Contents Page
European foreword . 6
Introduction . 7
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 8
4 General provisions . 12
5 LNGV workshop activities . 12
6 LNGV workshop risk management . 12
6.1 Procedure . 12
6.2 Risk context . 12
6.3 Risk assessment . 13
6.4 Risk treatment . 13
6.5 Risk monitoring and review . 13
6.6 Risk documentation . 13
7 LNGV workshop planning . 13
7.1 Tools and equipment . 13
7.2 Access restrictions . 14
7.3 Emergency planning . 14
7.3.1 Emergency procedures . 14
7.3.2 Emergency access and escape . 14
7.3.3 Emergency equipment . 14
8 LNGV workshop occupants . 14
8.1 General safety . 14
8.2 LNGV workshop mechanics/technicians . 14
8.3 Training . 14
8.4 Qualification . 15
9 LNGV workshop layout . 15
9.1 Designated areas . 15
9.2 Hazardous areas . 15
9.3 Warning signs and notices . 15
9.4 Increased hazards . 15
10 LNGV workshop systems . 16
10.1 Air compressor system . 16
10.2 Fire protection system . 16
10.2.1 General. 16
10.2.2 Fire walls . 16
10.3 Gas detection system . 16
10.3.1 General. 16
10.3.2 Personal gas monitors. 17
10.4 Heat and lighting system . 17
10.5 Measurement system. 17
10.6 Mechanical ventilation system . 17
oSIST prEN 17932:2023
prEN 17932:2023 (E)
11 LNGV workshop operations . 17
11.1 Documentation . 17
11.1.1 Written procedures . 17
11.1.2 Record keeping . 17
11.2 Gas leak management . 17
11.2.1 Reporting of gas leak . 17
11.2.2 Handling LNGV with gas leaks . 17
11.2.3 Handling LNGV with liquid natural gas leaks . 18
11.2.4 Isolation of a vehicle tank . 18
Annex A (normative) Management of LNGV . 19
A.1 Use of LNGVs . 19
A.1.1 General considerations . 19
A.2 Refuelling of LNGV . 19
A.3 Parking of LNGVs . 20
A.4 Daily check of LNGV . 20
A.5 Inspection of LNGV . 20
A.5.1 Routine assessment . 20
A.5.2 Unplanned assessment . 20
A.6 Repair and maintenance of LNGV . 20
A.6.1 Nonconformity . 20
A.6.2 Preventative measures . 21
A.6.2.1 General . 21
A. Welding and brazing . 21
A. Heated paint booth . 21
A.6.2.2 Uncontrolled release of gas . 21
A.6.3 Prior to work . 21
A.6.3.1 General . 21
A.6.3.2 LNG system isolation . 21
A.6.3.3 LNG tank drain . 21
A.6.3.4 Depressurization . 22
A.6.4 During work . 22
A.6.4.1 Tank pressure monitoring . 22
A.6.4.2 Part replacement . 22
A.6.5 After work . 22
A.6.5.1 Leak-testing . 22
A.7 Disposal of LNGVs

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