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NB-RAIL – Questions & Clarification (Q&C) to the European Commission

In accordance with the principles of 2008/57/EC Art.28(5) & whereas(46), 765/2008 Art R30 & R17(11) and the Blue Guide 2014 (5.2.2&5.2.4) NB-Rail prepares Questions & Clarification (so called Q&Cs) in conjunction with the provisions of the TSIs and 2008/57/EC.

The text of a Q&C must undergo a three-level screening process where the proposed text is drafted, reviewed and improved between technical expert level, process expert level and endorsement by all notified bodies present at the NB-Rail plenary meeting. As a fundamental principle, a Q&C shall communicate the NB-Rail discussion findings to the European Commission in cases where the current technical provisions of the applicable legislation as established by the European Commissions should be reviewed or improved. The European Commission may in many cases consult ERA, who will in turn prepare a technical opinion on the topic in accordance with 2008/57/EC Art.7(1).

NB-Rail cannot use the Q&Cs to directly resolve the matter, but they are often containing useful information and arguments for industry stakeholders.

Q&Cs are published as primary source as defined by the Blue Guide 2014 (5.2.4) on the European Community webpage https://circabc.europa.eu.

As this resource is by many considered as difficult to navigate, a number of Notified Bodies are co-operating to present the same RFUs also on this webpage here below.

ERA technical opinions are published on their webpage www.ERA.europa.eu.

Answered Questions & Clarifications
All subsystems
QC 0038-01 Certification of Subsystems
QC 0893-02 Dealing with errors and omissions in current TSIs
QC 0893-03 Assessment against New and Revised TSIs
QC-STR-004 EC Declaration Intermediate Subsystem Conformity
QC-STR-005 Discrepancies between different TSI language versions
QC-STR-006 Duration of Validity
QC-STR-007 List of harmonised standards
QC-STR-008 ERTMS on regional lines
QC-STR-009 Certification according withdrawn TSIs
Subsystems trackside and on-board CCS
QC 0038-02 Open Issues & reserved items
QC-CCS-001 Crash Protection ERTMS On-Board Recorder
QC-CCS-002 Subset-093 ver 230
QC-CCS-003 Subset-085 ver 212
Subsystem energy
QC 1124-02 Installed Power
QC-ENE-001 Regenerative Braking
QC-ENE-003 Simulation Tools
QC-ENE-006 Cables in Tunnels
QC-ENE-007 Energy measurement systems
Subsystem infrastructure
QC 0893-07 Definition of established, novel and innovative
QC 0893-08 Using Modules for IC according the INS TSI
QC 0893-09 Regulations for Bridges
QC-INS-001 Slab Track
QC-INF-008 Colour of signs
QC-INF-009 Fire protection of structures
QC-INF-011 Platform height
QC-INF-012 Requirements for platforms
QC-INF-013 Requirement for stairs
QC-INF-014 Chapter Existing Solutions missing
QC-INF-015 ICs in TSI PRM (Subsystem Infrastructure)
QC-INF-016 Prolongation of transitional period for ICs of HS INF TSI
QC-INF-017 Definition of stairs
QC-INF-018 Register TSI PRM
QC-INF-019 Newly produced IC
QC-INF-020 PRM TSI Deficiencies
Subsystem rolling stock
QC-RST-002 Pass-by-Noise Measurement Reference Track
QC-RST-003 Draw Gear Errors
QC-RST-005 Assessment of Pantograph IC
QC-RST-006 TSI WAG Module H1
QC-RST-008 Noise Test Train Configuration
QC-RST-012 Buffers
QC-RST-013 Disc brake
QC-RST-014 Passenger Alarm
QC-RST-015 ICs - Assessment on subsystem level
QC-RST-018 Head lights and Marker lights
QC-RST-019 Incorrect reference on EN 15839
QC-RST-020 Running gears IC
QC-RST-021 Gauging Requirements in TSI PRM
QC-RST-022 Pantograph


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