Structural Gauge Envelopes - Public Transport Victoria

VRIOGS 001 Revision B 5
Rolling Stock
Outline
The combination of rolling stock cross-section, bogie centres
(or wheelbase for non-bogie rolling stock) and body
overhang, and rolling stock tolerances which define the swept
path of the rolling stock. This does not include expendable
items located on the Rolling Stock.
Safe Area A safe area is an area where Infrastructure and authorised
staff are able to stand during the passage of a train.
Safety
Accreditation
Certification
The certification required by an entity or party to an
Infrastructure Management Agreement with the Chief
Executive Officer of Public Transport Victoria that ensures
that, amongst other things, it has a robust Safety
Management System.
Standard Gauge Track where the inside running edge of the two rail heads are
separated by 1435mm. Typically, this configuration exists for
Interstate lines and branch lines off interstate lines and the
Melbourne tram network.
Structure Gauge
Envelope
Superelevation See Cant
A cross sectional profile that designates the minimum
allowable dimensions that must separate trackside
Infrastructure from the Centre Lines and Rail Level of the
track.
Swept Path The swept path is the generic name for the 3-dimensional
shape of the vehicle on any radius curve made up from the
kinematic outline plus the inner and outer curve throws
produced by the vehicle on that curve. 3
Track Geometry The horizontal and vertical alignment, twist and cant of the
track.
Track Centres
Uncontrolled
Standards
Vertical
Clearance
3 RISSB Glossary of Railway Terminology Guideline
The horizontal distance between the centrelines of tracks
A Standard that is not currently protected by a system that
ensures that the integrity of its contents cannot be
compromised by revision or amendments by personnel not
authorised by the Victorian Rail Industry Operators Group.
The minimum vertical distance from the top of the running
rails to the underside of a structure.
NOTE: This document is controlled only when viewed on the VRIOG Engineering Standards website. Any other
copy of this document is uncontrolled, and the content may be inaccurate.