Standards Development

Scope

Current scope:

This document applies to all heavy rail vehicles including OTM’s and Road-rail machines which are operated on the heavy rail network with standard track gauge (1 435°mm) and nominal static vertical wheelset forces up to 350 kN.

This document applies to the assessment of safety against derailment on twisted tracks of vehicles which: 

— are newly developed;

— have had relevant design modifications; or

— have changes in their operating conditions. 

This document is not directly applicable to:

— rail systems with different track layout, e.g. urban rail systems;

— rail systems with non-standard track gauge (i.e. other than 1 435 mm nominal track gauge);

but assessment can be conducted using the principles (partly or fully) of this document.

Note 1: For example, test procedures described in this series of standards can be applied also to vehicles operated in networks with other nominal track gauges (for example 1 524 mm or 1 668 mm). The related limit values and test conditions could be different. They are specified nationally taking into account track design and operating conditions.

New scope:

This document applies to all rail vehicles including OTM’s and Road-rail machines, which are operated on the heavy rail network with standard track gauge 1 435°mm and nominal static vertical wheelset forces up to 350 kN.

This document may also be applicable (partly or in full) to:

— rail systems with different track layout, e.g. urban rail systems and/or,

— rail systems with other than 1 435 mm nominal track gauge.

Note: For such rail systems other than 1 435 mm track gauge or urban rail systems, the related post analysis, limit values and test conditions could be different. They are specified nationally taking into account track design and operating conditions.

This document applies to the assessment of safety against derailment on twisted tracks of rail vehicles which:

— are newly developed;

— have had relevant design modifications; or

— have changes in their operating conditions. 

Purpose

The revision of the series requires the separation of this standard in essential parts (6 parts in total)