FprEN 13848-4

Railway applications - Track - Track geometry quality - Part 4: Measuring systems - Manual and lightweight devices

This document specifies the minimum requirements to meet by measuring systems fitted on track geometry measuring trolleys and manually operated devices to give an evaluation of track geometry quality when using one or more of the parameters described in EN 13848 1. It sets out the acceptable differences from EN 13848 1 when using track geometry measuring trolleys and manually operated devices to measure track geometry.
It applies to all track geometry measuring systems fitted to track geometry measuring trolleys and manually operated devices after the date of implementation of this document.
In the case of lightweight devices working at a speed higher than walking speed, or in the case of track geometry measuring systems installed on track recording cars but not measuring in loaded conditions as defined in EN 13848 1, the test procedure defined in EN 13848 2 is applicable.

Bahnanwendungen - Oberbau - Qualität der Gleisgeometrie - Teil 4: Messsysteme - Handgeführte und leichte Vorrichtungen

Dieses Dokument legt die Mindestanforderungen für Messsysteme, angebracht an fahrbaren Kleinmessgeräten und handgeführten Messgeräten, für die Bewertung der Gleisgeometriequalität nach den Parametern nach EN 13848 1 fest. Die noch akzeptablen Unterschiede zu EN 13848 1 bei der Verwendung von fahrbaren Kleinmessgeräten und handgeführten Messgeräten für die Messung der Gleisgeometrie werden dargestellt.
Dieser Teil gilt für alle Gleisgeometriemesssysteme, angebracht an fahrbaren Kleinmessgeräten und handgeführten Messgeräten, nach der Umsetzung dieses Dokuments.
Bei leichten Vorrichtungen mit einer höheren Geschwindigkeit als Schrittgeschwindigkeit oder bei Gleisgeometriemesssystemen, die an Gleismessfahrzeugen angebracht sind, aber wie in EN 13848 1 definiert nicht unter belasteten Bedingungen messen, gilt das in EN 13848 2 festgelegte Prüfverfahren.

Applications ferroviaires - Voie - Qualité géométrique de la voie - Partie 4: Systèmes de mesure - Dispositifs manuels et de faible poids

No Scope Available

Železniške naprave - Zgornji ustroj proge - Kakovost tirne geometrije - 4. del: Merilni sistemi - Ročne in lahke naprave

General Information

• Status: Not Published
• Publication Date: 07-May-2025
• ICS: 93.100 - Construction of railways
• Technical Committee: CEN/TC 256 - Railway applications
• Drafting Committee: CEN/TC 256/SC 1/WG 28 - Track geometry quality
• Current Stage: 4599 - Dispatch of FV draft to CMC - Finalization for Vote
• Start Date: 13-Nov-2024
• Due Date: 08-Jul-2023
• Completion Date: 13-Nov-2024
• Directive: 2008/57/EC - Directive 2008/57/EC of the European Parliament and of the Council of 17 June 2008 on the interoperability of the rail system within the Community (Recast)
• Directive: 2016/797/EU - Directive (EU) 2016/797 of the European Parliament and of the Council of 11 May 2016 on the interoperability of the rail system within the European Union (Text with EEA relevance)
• Mandate: M/483 - Mandate for programming and standardisation addressed to the European standardisation bodies under directive 2008/57/EC in the field of the interoperability of the rail system within the European Union
• Ref Project: oSIST prEN 13848-4:2023 - Railway applications - Track - Track geometry quality - Part 4: Measuring systems - Manual and lightweight devices

Relations

• Revises: EN 13848-4:2011 - Railway applications - Track - Track geometry quality - Part 4: Measuring systems - Manual and lightweight devices
• Effective Date: 19-Jan-2023

Standards Content (Sample)

SLOVENSKI STANDARD
01-september-2023
Nadomešča:
SIST EN 13848-4:2012
Železniške naprave - Zgornji ustroj - Kakovost tirne geometrije - 4. del: Merilni
sistemi - Ročne in lahke naprave
Railway applications - Track - Track geometry quality - Part 4: Measuring systems -
Manual and lightweight devices
Bahnanwendungen - Oberbau - Qualität der Gleisgeometrie - Teil 4: Messsysteme -
Handgeführte und leichte Vorrichtungen
Applications ferroviaires - Voie - Qualité géométrique de la voie - Partie 4: Systèmes de
mesure - Dispositifs manuels et de faible poids
Ta slovenski standard je istoveten z: prEN 13848-4
ICS:
45.080 Tračnice in železniški deli Rails and railway
components
93.100 Gradnja železnic Construction of railways
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
prEN 13848-4
NORME EUROPÉENNE
EUROPÄISCHE NORM
June 2023
ICS 93.100 Will supersede EN 13848-4:2011
English Version
Railway applications - Track - Track geometry quality -
Part 4: Measuring systems - Manual and lightweight
devices
Applications ferroviaires - Voie - Qualité géométrique Bahnanwendungen - Oberbau - Qualität der
de la voie - Partie 4: Systèmes de mesure - Dispositifs Gleisgeometrie - Teil 4: Messsysteme - Handgeführte
manuels et de faible poids und leichte Vorrichtungen
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 256.
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.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 13848-4:2023 E
worldwide for CEN national Members.

prEN 13848-4:2023 (E)
Contents Page
European foreword . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Symbols and abbreviated terms . 7
5 Track geometry measuring system fitted on TGRs or TGIs . 8
5.1 Introduction . 8
5.2 General description. 8
5.3 Environmental conditions . 9
5.3.1 Introduction . 9
5.3.2 Climatic conditions . 9
5.3.3 Operating conditions . 9
5.4 Track features input . 9
5.5 Data localization . 10
5.6 Measuring device . 10
5.6.1 General. 10
5.6.2 Sensors . 11
5.6.3 Signal transmission . 11
5.7 Resolution . 11
5.8 Signal processing . 11
5.8.1 Introduction . 11
5.8.2 Sampling . 11
5.8.3 Filtering . 11
5.9 Data processing and analysis . 12
5.9.1 Data processing . 12
5.9.2 Data merging . 12
5.9.3 Parameter generation . 12
5.9.4 Parameter analysis. 12
5.10 Data output. 12
5.10.1 Visualization . 12
5.10.2 Data transfer . 12
5.11 Data storage . 13
5.11.1 Data storage: TGR . 13
5.11.2 Data storage: TGI . 13
6 Testing of track geometry measuring system . 13
6.1 General. 13
6.2 Calibration . 14
6.3 Validation tests: TGR . 14
6.3.1 Overview . 14
6.3.2 Measurement conditions for validation . 14
6.3.3 Track conditions for validation . 15
6.3.4 Comparison between different runs . 15
6.3.5 Routine checks . 17
6.4 Validation tests: TGI . 17
6.4.1 Validation of a new or modified measuring system . 17
prEN 13848-4:2023 (E)
6.4.2 Routine validation . 18
Annex A (normative) Parameters measured by track geometry recorders (TGRs) and track
geometry instruments (TGIs) . 19
A.1 Introduction . 19
A.2 Track gauge . 19
A.3 Longitudinal level . 19
A.4 Cross level . 20
A.5 Alignment . 21
A.6 Twist . 21
Annex B (informative) Principles of measurement . 22
B.1 General description . 22
B.2 Longitudinal level and alignment (TGR only) . 22
B.2.1 Chord measuring system . 22
B.2.2 Inertial measuring system . 24
B.3 Track gauge . 24
B.4 Cross level . 24
B.5 Twist . 24
Annex C (normative) Validation criteria . 25
C.1 Repeatability – Statistical analysis of parameter data . 25
C.2 Reproducibility - Statistical analysis of parameter data . 26
Annex D (informative) Track geometry measurement uncertainty . 27
D.1 General . 27
D.2 Evaluating uncertainty for manually operated track geometry measuring systems 28
Bibliography . 30

prEN 13848-4:2023 (E)
European foreword
This document (prEN 13848-4:2023) has been prepared by Technical Committee CEN/TC 256 “Railway
applications”, the secretariat of which is held by DIN.
This document is currently submitted to the CEN Enquiry.
This document will supersede EN 13848-4:2011.
The main changes compared to the previous edition are listed below:
— Change of labels and definitions for lightweight devices;
— Update of content of Annexes A and B;
— Modification of certain limit values in Annex C (validation criteria);
— Integration of Annex D (uncertainty measurement);
— Simplification of the main text structure.
In this document, the Annexes A and C are normative and the Annexes B and D are informative.
This document is one in the EN 13848 series Railway applications – Track – Track geometry quality, the
parts of which are listed below:
— Part 1: Characterization of tr
...