VRIOGS 010.7 RevA - Public Transport Victoria
VRIOGS 010.7 RevA - Public Transport Victoria
VRIOGS 010.7 RevA - Public Transport Victoria
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iv<strong>VRIOGS</strong> <strong>010.7</strong> Revision ATABLE OF CONTENTSSECTION 1.0 CONVENTIONS ...............................................................................1SECTION 2.0 DEFINITIONS...................................................................................2SECTION 3.0 SCOPE AND GENERAL ..................................................................43.1 Scope ...........................................................................................................43.2 Application....................................................................................................43.3 Background ..................................................................................................4SECTION 4.0 FURTHER DEFINITIONS.................................................................54.1 Electrified Tracks..........................................................................................54.2 Electrified Area .............................................................................................54.3 Non-Electrified Area .....................................................................................64.4 Immunised Areas .........................................................................................64.4.1 Transverse limit of Immunised Area .................................................74.4.2 Longitudinal limit of Immunised Area................................................74.4.3 Same Rail Corridor ...........................................................................74.4.4 Adjacent Rail Corridors.....................................................................7SECTION 5.0 NON-ELECTRIFIED TRACK AREAS...............................................95.1 General.........................................................................................................95.2 Extent of Provisions......................................................................................95.3 Electrified Tracks..........................................................................................95.4 Adjacent to electrified tracks ......................................................................105.5 Junctions with electrified tracks..................................................................105.6 Containment ...............................................................................................105.7 Track-circuited track ...................................................................................105.8 Non Track-circuited Track ..........................................................................115.9 Line Circuits................................................................................................11SECTION 6.0 ELECTRIFIED TRACK AREAS......................................................126.1 General.......................................................................................................126.2 Traction Supply Interfaces..........................................................................126.2.1 Substations.....................................................................................126.2.2 Tie Stations.....................................................................................136.2.3 Stray Currents (Conductive coupling).............................................136.2.4 Mains Harmonics (Inductive or Capacitive coupling)......................136.2.5 Traction System Ratings ..................................................................146.2.6 Current Capacity.............................................................................146.2.7 Touch Potential...............................................................................146.2.8 Flashover........................................................................................156.2.9 Cabling ...........................................................................................156.3 Track Circuit Bonding and Track Insulation................................................156.3.1 Single Rail.......................................................................................166.3.2 Double Rail .....................................................................................166.3.3 Bonding at Points and Crossings....................................................166.4 Cross (Tie-In) Bonding ...............................................................................176.4.1 Double Rail AC Track Circuits ........................................................186.4.2 Single Rail AC Track Circuits..........................................................186.4.3 Single Rail Impulse Track Circuits..................................................196.4.4 Double Rail Impulse Track Circuits.................................................196.4.5 Jointless Track Circuits...................................................................196.4.6 Tying-in Non-Track Circuited Tracks ..............................................196.5 Tram and Train Interfaces at Road Crossings (Tramway Squares) ...........206.6 Train Detection Equipment.........................................................................206.6.1 Axle Counters .................................................................................206.6.2 50Hz AC Track Circuits ..................................................................21NOTE: This document is controlled only when viewed on the DOT Engineering Standards website.Any other copy of this document is uncontrolled, and the content may not be current.