GMGN2615 Iss 2.2

This document gives guidance on interpreting the requirements of the Locomotives and Passenger Rolling Stock National Technical Specification Notice (LOC & PAS NTSN).

Amendments and clarifications: 

• title and synopsis amended to reflect application of the NTSN;
• amended throughout to refer to NTSNs instead of TSIs;
• amendments to section G1.1 to reflect the new legislative context;
• new clause G1.1.2 describing NTSNs; subsequent clauses renumbered;
• new clause G1.1.10 reflecting the requirement to comply with the specific versions of ENs and ISOs as referenced in the NTSN;
• amendments to section G2.1 to reflect the new legislative context;
• amendments to Part 3 to reflect NTSN content throughout;
• amendments to Part 3 for standards which have been published or updated since the TSI was published;
• amendments to Part 3 to reflect that ENs do not provide 'presumption of conformity' with the NTSN
• section 3.18 rewritten to reflect current practice;
• new Table 1 showing relevant wheelset-related standards;
• new clauses in 3.22 relating to magnetic track brakes;
• amended title of Part 4 and added reference to the Interoperability Constituents NTSN;
• amended title of Part 5 and added the need to apply to the DfT for an exemption;
• list of abbreviations removed; definitions and references updated.

Optional reading and resources:

National Technical Specification Notices