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Railtrain > Glossary > Flashcards

Glossary Flashcards

1
Q

Absolute Signal

A

A fixed signal that must not be passed at STOP without the authority of the Signaller

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2
Q

Absolute Signal Blocking (ASB)

A

A method used by Qualified Workers to carry out work on track using controlled absolute signals set and kept at STOP

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3
Q

Access

A

A designated safe way into, along, across or out of a Rail Corridor

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4
Q

Access Provider

A

An organisation that provides and manages a rail Network and safe method of entry to that Network for Access Users

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5
Q

Active control (level crossing equipment)

A

A road or pedestrian level crossing where warning equipment warns road users and pedestrians about approaching rail traffic by devices such as flashing lights or barriers

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6
Q

Adjacent

A

Next to, near to, close to

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7
Q

Adjoining

A

In contact with, connected to

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8
Q

Advice

A

To give written or electronic notice, usually in advance, of planned activities

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9
Q

Affected signal

A

A signal not available for normal use

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10
Q

Airbrake

A

A braking system activated by change in air pressure

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11
Q

Aspect

A

The displayed pattern or position of lights or arms used to give a signal indication

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12
Q

Attended Location

A

A signalling location or block location that is controlled by a Qualified Worker either on-site or at a remote location

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13
Q

Audible Warming Device (AWD)

A

A device, such as a whistle, siren, horn or hooter, used to give warning

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14
Q

Automatic Signal

A

A signal that is normally controlled exclusively by the operation of track-circuits

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15
Q

Automatic Train Protection (ATP)

A

A safety system fitted to trains and to the track that warns of or enforces speed limits and stopping at some limits of authority

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16
Q

Authorise

A

To give formal written, spoken or signalled authority for an action

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17
Q

Authority

A

A generic term for permission. Formal authority name

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18
Q

Axle counter

A

Equipment used in Rail Vehicle Detection Territory to detect the presence of rail vehicles by counting the number of axles entering or leaving a location. They may be used to operate signalling or other infrastructure equipment

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19
Q

Axle counter territory

A

the portions of line where axle counters are used for the Rail Vehicle Detection system of Safeworking

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20
Q

Balloon loop

A

A portion of line that allows rail traffic to change direction of travel without change to the leading end

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21
Q

Bank locomotive

A

A locomotive provided at the rear of a train to assist it up a steep grade (bank)

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22
Q

Basic Block Working

A

A form of manual block working which does not require the issue of a Condition Affecting the Network (CAN) form

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23
Q

Bidirectional

A

Allowing for signalled movements of rail traffic in either direction between yard limits

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24
Q

Block

A

A portion of line with defined limits between which only one rail traffic movement is permitted at any one time

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25
Q

Block Location

A

A defined location that separates blocks

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26
Q

Block Post

A

A temporary block location

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27
Q

Block trail

A

A train required to travel under manual block working in track-circuited territory

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28
Q

Block work

A

See manual block working

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29
Q

Blocking facility

A

a facility or device used by a Qualified Worker to prevent either the unintended issue of an Occupancy Authority, or the operation of points or signalling equipment

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30
Q

CAN block working

A

Manual block working using a Condition Affecting the Network (CAN) form to warn Drivers and Track Vehicle Operators about the working

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31
Q

Cancel

A

To withdraw permission for, or to end previously authorised activities, such as Occupancy Authorities, without completing them. (Written authorities have the word CANCELLED written diagonally across them, between two parallel lines)

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32
Q

Catch points

A

Single or double bladed points used to derail rail traffic that might enter or foul an adjacent running line

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33
Q

Caution handsignal

A

A handsignal given by a Qualified WOrker to indicate the need for rail traffic to proceed being prepared to stop. When given by an inner Handsignaller protecting a worksite, and unless advised by that Handsignaller, a maximum speed of 25km/hr applies until the rail traffic has passed the worksite limits

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34
Q

Certify

A

To classify a worker as competent. To classify infrustructure or rolling stock as fit for purpose

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35
Q

Clearance Handsignaller

A

A Handsignaller at a clearance location, who reports the clearance of rail traffic past that location

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36
Q

Clearance location

A

A location that, once clear of rail traffic, allows a following movement

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37
Q

Clearance point

A

see clearance location

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38
Q

Clearance post

A

A post, marker, light or disc to indicate the clearance point of two converging lines

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39
Q

Closely approaching

A

going towards a location at a speed such that Drivers and Track Vehicle Operators could not be expected to react in sufficient time to stop

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40
Q

Co-acting Signal

A

A signal, placed near another signal that might be temporarily obscured from a Driver or Track Vehicle Operator’s view, to provide information about the obscured signal’s Indication

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41
Q

Commission

A

To formally place into active service or use

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42
Q

Condition Affecting the Network (CAN)

A

A situation or condition that affects or has the potential to affect the safety of the Network

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43
Q

Consist

A

A listed order of the vehicles arranged to make up a complete train

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44
Q

Consolidated yard

A

An area where interlockings controlled by one signalling location have intervening permissive signals. The area is defined exclusively by a YARD LIMIT (YL) sign and an END OF YARD LIMIT (EYL) sign

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45
Q

Controlled absolute signal

A

A signal that is controlled or operated by a Signaller or a Qualified Worker. The signal must not be passed at STOP without authority

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46
Q

Controlled signal

A

A signal that is, or may be, controlled or operated by a Signaller or Qualified Worker

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47
Q

Converging

A

(Lines) meeting and joining to become one line

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48
Q

Convoy

A

a group of track vehicles not coupled by travelling closely together under a signle Occupancy Authority

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49
Q

Coordinating Protection officer

A

The Qualified Worker responsible for protection of a coordinated worksite under a Local Possession Authority (LPA). See also Protection Officer

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50
Q

Cross

A

To go past other rail traffic travelling in the opposite direction

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51
Q

Crossing location

A

May consist of single or double ended portion of line, to hold rail traffic, connected to a main line that is used to permit other rail traffic to cross or pass

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52
Q

Crossover

A

A portion of line that is used to divert rail traffic from one running line to another

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53
Q

Danger Zone

A

Everywhere within 3m horizontally from the nearest rail, and any distance above or below this 3 m, unless a safe place exists or has been created

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54
Q

Dangerous goods

A

Materials defined under the Australian Dangerous Goods Code

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55
Q

Dead end siding

A

A portion of line connected to a running line or other siding, with points at one end only

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56
Q

Delegate

A

A Qualified Worker authorised and designated to act in place of another

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57
Q

Demarcation fencing

A

Easily-seen, continuous worksite safety boundary markers

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58
Q

Derail device

A

a device intended to guide the wheels of rail traffic off rails

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59
Q

Direct

A

to give instructions

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60
Q

Disables

A

Unable to travel due to a defect or a Condition Affecting the Network (CAN)

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61
Q

Discrete-Channel

A

A system in which only the intended participants in a radio or telephone conversation can take part in the conversation

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62
Q

Driver

A

A Qualified Worker controlling the movement of rail traffic

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63
Q

Effective communication

A

The ability to successfully send, receive and understand information. The communication does not need to be continuous

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64
Q

Electric Vehicle Maintenance Centre (EVMC)

A

A designated location where maintenance work is carried out on electric traction vehicles

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65
Q

Electrical Infrastructure

A

Equipment and systems for supplying and distributing electricity for traction purposes

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66
Q

Electrical Representative

A

A person with the appropriate delegated authority and electrical engineering competence to make judgements about electrical safety

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67
Q

Electrical safety instructions

A

Instructions provided by Electrical Maintenance Representatives for work on or near electrical infrastructure

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68
Q

Electrical System Operator

A

The person responsible for managing the Network electrical system and authorising the removal and restoration of overhead supply

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69
Q

Emergency

A

Incident requiring urgent action. The incident might involve death or serious injury, health or safety effects, significant damage to property or infrastructure, significant train service disruption, or environmental impact

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70
Q

End-of-train marker

A

a device, including tail lights, fitted to the trailing end of the last vehicle of a rail traffic consist to indicate the end of the consist

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71
Q

Exclusive occupancy

A

Sole occupancy of track within defined limits

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72
Q

Facing point

A

Points with the switch blades facing approaching rail traffic

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73
Q

Failsafe

A

Designed such that failure results in a safe outcome

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74
Q

Fit for purpose

A

able to be used for the function required

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75
Q

Fixed signal

A

A signal that is located permanently near the line

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76
Q

Foul

A

In a position to obstruct rail traffic on adjacent lines

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77
Q

Four-foot

A

The area between the rails of a railway track

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78
Q

Fulfil

A

To complete the instructions on, and associated activities for an Occupancy Authority (Written authorities have the work FULFILLED written diagonally across them, between two parallel lines)

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79
Q

Groundframe

A

A small trackside interlocking device used for manual points or signal operation

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80
Q

Half-staff

A

a metal staff located at the ends of a section, and interlocked with signals’ circuits. Also known as half-pilot staff. Two half staffs can be joined to provide a pilot staff for the section

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81
Q

Handsignal

A

A signal given by hand movements, with or without flags or lights. To give a signal by hand

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82
Q

Handsignaller

A

A Qualified Worker who gives handsignals to Drivers and Track Vehicle Operators

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83
Q

Haul

A

To move rail traffic using a motive power source at the leading end

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84
Q

Hazard light

A

Amber or orange flashing light fitted to a vehicle to provide warning

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85
Q

Headlights

A

White lights fitted at the front of rail traffic to provide visibility for Drivers and Track Vehicle Operators and to improve the visibility of rail traffic

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86
Q

In effect

A

Activate, become current, in force

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87
Q

Incident Management Framework

A

A manual issued by Sydney Trains that Prescribes rules and procedures to be followed in the event of a major incident

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88
Q

Infrastructure

A

See civil infrastructure; electrical infrastructure; signalling and telecommunications infrastructure

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89
Q

Instruction sign

A

A sign, near or fixed to a signal, bearing directions for Drivers and Track Vehicle Operators

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90
Q

Interlocking

A

Interaction of equipment controlling points and /or signals to prevent conflicting movements, and to make sure the routes are set correctly

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91
Q

Interlocking machine

A

Equipment used to operate or control interlocked points and signals

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92
Q

Intermediate

A

Between two others

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93
Q

Intermediate siding

A

A siding located within a section, generally used for purposes other than crossing or passing of rail traffic

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94
Q

Isolated 1500V overhead wiring section

A

A 1500V overhead wiring section disconnected from all possible sources of 1500V supply, and made incapable of accidentally being made live

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95
Q

Issue

A

To give or send copies of authorities, warnings, notices and Network publications to affected Qualified Workers by voice, hand delivery or electronic means

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96
Q

Joint occupancy

A

Simultaneous occupancy of track within defined limits

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97
Q

Level Crossing

A

A location where the railway line and a road or pedestrian walkway cross paths on he same level

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98
Q

Light, battery powered tool or device

A

An internally powered tool or device that can be easily carried by one person and be immediately removed from the track. The tool must not have potential to distract the operator, or impede the ability of the operator to respond to the warning of approaching rail traffic

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99
Q

Light locomotive

A

One or more locomotives not attached to another vehicle

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100
Q

Light, non-powered hand tool

A

A tool that can be carried and easily removed by one person and is not powered by compressed air, gas, electricity, hydraulics, explosive charge or an internal combustion engine

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101
Q

Light, powered hand tool

A

An internally powered tool that can be carried easily by one person, without mechanical assistance

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102
Q

Limit of authority

A

If defines the location to which rail traffic may travel under a Proceed Authority or the limits of a work on track authority. The limit may be defined by a sign, a signal capable of displaying a STOP indication, or a specific kilometrage point on a line

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103
Q

Loading outline

A

The maximum height and width to which rail vehicles can be loaded for a particular line, as prescribed in the Train Operating Conditions (TOC) manual

104
Q

Local control panel

A

An interlocking facility that may be switched to and from local control

105
Q

Local Possession Authority (LPA)

A

An authority that closes a defined portion of line for a specified period

106
Q

Location

A

A place in the Network with a disgnated name, identification number, signalling reference or kilometrage

107
Q

Locomotive

A

Self-propelled, railway vehicles used for hauling other rolling stock

108
Q

Lookout

A

A Qualified Worker responsible for keeping watch for approaching rail traffic, and for warning other workers to stand clear of the line before the rail traffic arrives

109
Q

Lookout working

A

A safety measure used by Qualified Workers to carry out work on track without a formally issued work on track authority

110
Q

Loop

A

See balloon loop, crossing loop, refuge loop

111
Q

Low visibility

A

Any condition that does not allow Qualified Workers to view the distance required to work safely. Visibility restricted by fog, mist, rain, dust, snow, low light or other similar cause

112
Q

Main Line

A

The running line normally used for running rail traffic through

113
Q

Maintenance Representative

A

A Qualified Worker with appropriate authority to maintain the line infrustructure

114
Q

Major incident

A

An incident assess as having a potentially major impact on the Network, human life, property of the environment

115
Q

Manual Block working

A

A method of special working, which ensures sole occupancy by manually maintaining the block between rail traffic moovements

116
Q

Marker Lights

A

Lights which indicate the front or rear of a train

117
Q

Marshal

A

To arrange the order of vehicles in a train’s consist

118
Q

May

A

Indicates permission

119
Q

Motive Power unit

A

A rail vehicle used to provide the power to move itself or other vehicles

120
Q

Must

A

Indicates that a statement is mandatory

121
Q

Net train weight

A

The weight of vehicles and their load in a train consist

122
Q

Network

A

A combination of track and other infrastructure controlled by and Access Provider

123
Q

Network Access level crossing

A

Generally permanent level crossings provided at authorised locations for Network maintenance

124
Q

Network control

A

The function responsible for managing rail traffic paths and issuing Occupancy Authorities

125
Q

Network Controller

A

Qualified Workers who on a day to day basis manage the safe and effecient operation of the Network:

  • for train paths, on time running possession management the Network controller is the Train Service Delivery Manager (TSDM)
  • for Network incidents, special working, and the authorisation of work on track authorities the Network Controller is the Network Incident Manager
126
Q

Network Incident Notice (NIN)

A

A notice used to record and distribute information about incidents on the Network

127
Q

Network Local Appendices (NLAs)

A

Publications issued to prescribe special Safeworking arrangements for a location of area

128
Q

Network Forms

A

Forms issued for use as specified in the Network Rules and Network Procedures

129
Q

Network Procedures

A

Procedures issued for the safe conduct of work on the Network. To be read in conjunction with the Network Rules

130
Q

Network Rules

A

Rules issued to mandate the requirements for safe operation in the Network

131
Q

Normal Speed

A

A speed that does not exceed the speed limit currently in effect for the location and type of rail traffic

132
Q

Obstruct

A

To make a line unsafe for the passage of rail traffic

133
Q

Occupancy

A

Presence of rail traffic or track workers on track

134
Q

Open-channel

A

A system that allows all radio users to take part in all conversations

135
Q

Operator

A

An organisation that manages, operates or maintains rail traffic on the Network

136
Q

Operator’s Representative

A

A person authorised by an Operator to act on their behalf

137
Q

Pantograph

A

An apparatus fixed to the roof of electric traction vehicles to draw current from the overhead supply

138
Q

Pass

A

To overtake other rail traffic travelling in the same direction

139
Q

Passive control level crossing

A

Road and pedestrian level crossing warning that relies on road users and pedestrians looking out for and giving way to rail traffic

140
Q

Permanent form

A

A record made in writing or in a computer system, and kept for reference and audit

141
Q

Permissive signal

A

A fixed signal that is normally controlled by the passage of rail traffic and its normal indication is a Proceed Authority. A signal that can be passed at STOP without the authority of a Signaller or Special Proceed Authority (SPA) if it is considered safe to do

142
Q

Pilot

A

A Qualified Worker, who accompanies, directs and advises Drivers and Track Vehicle Operators. To direct or guide Drivers and Track Vehicle Operators and tell them about local conditions and operating restrictions on running lines and at worksites

143
Q

Pilot staff

A

A metal staff that authorises travel through a pilot staff section

144
Q

Pilot Staff Notice (PSN)

A

A form used to give details of pilot staff working

145
Q

Pilot Staff Ticket

A

A written authority issued after a Driver or Track Vehicle Operator has seen the pilot staff or half-staff for a section

146
Q

Pilot staff working

A

A method of working rail traffic, using a pilot staff or half-staff, when the normal system of Safeworking is not available

147
Q

Pilot Staff working Introduction

A

A formal authority to introduce pilot staff working

148
Q

Platform

A

A raised or level area, next to the line, that allows people to enter and leave trains

149
Q

Points

A

A track component consisting of paired pieces of tapered rail that can be moved and set to allow tracks to diverge or converge

150
Q

Points indicator

A

An indicator showing the position of points

151
Q

Possession

A

Closure of one or more lines to allow work to be carried out in the Danger Zone using a Local Possession Authority (LPA) or a Track Occupancy Authority (TOA)

152
Q

Possession Protection Officer (PPO)

A

The Qualified Worker responsible for coordinating protection of worksites under a Local Possession Authority (LPA). See also Protection Officer

153
Q

Prescribed Train

A

A train laden in excess of a specified percentage of the maximum load that can be hauled by the motive power unit, for that portion of line

154
Q

Proceed Authority

A

An authority that allows rail traffic to enter and occupy a portion of line and proceed in the forward direction

155
Q

Propel

A

To push rail traffic away from the controlling locomotive or motive power unit. To manage airbrake operation of moving rail traffic from a cab that is not the lead vehicle of a train

156
Q

Protection

A

The means used to prevent rail traffic from entering a worksite or other portion of line, or to prevent road or pedestrian traffic from entering a level crossing

157
Q

Protection Officer

A

The Qualified Worker responsible for managing the rail safety component of Worksite protection

158
Q

Pulling list

A

the listed sequence in which point and signal controls must be operated to set routes

159
Q

Pulsating

A

A regular variation in light intensity, used to distinguish the indication from a steady light of the same colour

160
Q

Qualified Worker

A

A worker certified as competent to carry out the relevant task

161
Q

Rail bond

A

A cable fixed across a break or joint in one rail or between two rails, to provide a path for traction return current or track-circuits

162
Q

Rail-connect

A

to connect 1500V overhead wiring supply to the traction return rail to ensure the immediate discharge of electricity if the 1500V overhead wiring becomes live

163
Q

Rail Commander

A

A person appointed by the Shift Manager RMC to liaise with Emergency Services and manage the rail industry response at an incident site

164
Q

Rail Corridor

A

the land on which a railway is built; comprising all property between property fences, or if no fences, everywhere within 15m from the outermost rails

165
Q

Rail traffic

A

trains and track vehicle or vehicles travelling on the network

166
Q

Railway Track Signal

A

A device attached to a rail that explodes on impact, used to attract attention of Drivers and Track Vehicle Operators

167
Q

Rail Vehicle Detection (RVD) Territory

A

the portions of line where the system of safeworking relies on track-circuiting or axle counters

168
Q

Rake

A

Vehicles, usually not formed as a train, moved as a unit during shunting and marshalling

169
Q

Refuge loop

A

A running line in double-line territory, with entry and exit ends connected to a main line, that is used to hold rail traffic to allow other rail traffic to cross or pass

170
Q

Release

A

a device that allows a Qualified Worker to take trackside control of points or signals

171
Q

Remotely Controlled location

A

An attended location where signals and/or points are controlled by a Qualified Worker at another location

172
Q

Repeater Signal

A

A signal provided at some locations to give Drivers and Track Vehicle Operators better information about the indication of the next signal

173
Q

Restrain

A

To prevent movement of rail traffic with signals, signalling equipment, blocking facilities, or issue of a Condition Affecting the Network (CAN) form as a warning

174
Q

Restricted speed

A

A speed that allows rail traffic to stop short of an obstruction within half the distance of clear line that is visible ahead

175
Q

Right Running-direction

A

the normal direction of travel on unidirectional lines

176
Q

Roll-by inspection

A

a visual inspection of moving rail traffick to identify equipment, loading security or other defects or failures

177
Q

Route

A

the path from one limit of authority to the next in the direction of travel

178
Q

Running line

A

A line (other than a siding) that is used for through movement of rail traffic. See also main line and siding

179
Q

Running signal

A

A fixed signal placed near a running line to authorise and control running movements

180
Q

Running supervisor

A

The Qualified Worker acting as a shift manager within an Electric Vehicle Maintenance Centre (EVMC)

181
Q

Safe Braking Distance

A

A distance indicated to rail traffic that would allow rail traffic to stop with the application of normal service braking

182
Q

Safety Assessment

A

An assessment process used to identify hazards for all work planned for the Rail Corridor and its potential to intrude on the Danger Zone

183
Q

SAFE Notice

A

An authorised notice distributed to give advice in addition to that provided in the Network Rules, Network Procedures or Network Local Appendices

184
Q

Safe Place

A

A place where workers and equipment cannot be struck by rail traffic

185
Q

Section

A

The line between the departure-end yard limit of one location and the arrival-end yard limit of another location. A section consists of one or more blocks

186
Q

Secure

A

to place and keep something in a known or prepared place or position to safeguard it against accidental or unauthorised access or movement

187
Q

Set Back

A

to move in the reverse direction to that provided in the current Proceed Authority

188
Q

Shunt

A

To move rail traffic, rakes of vehicles, or vehicles on lines for purposes other than through-movement

189
Q

Shunting Signal

A

A fixed signal provided to authorise and control shunting movements

190
Q

Shunting yard

A

A system of tracks, within defined limits, used for shunting and marchalling

191
Q

Siding

A

A portion of line where vehicles can be placed clear of the running lines,. See also intermediate siding

192
Q

Sighting distrance

A

the distance that someone can clearly see along the track

193
Q

Signaller

A

A Qualified Worker who issues Occupancy Authorities, and works points, signals and other signalling equipment to manage routes for safe and efficient transit of rail traffic in the Network

194
Q

Signalling and telecommunications Infrastructure

A

Signalling equipment and telecommunications equipment used as part of the safeworking and operating systems of the Network

195
Q

Signals Engineer

A

A person with the appropriate delegated authority and signals engineering competence to make judgements about signalling safety

196
Q

Signals Maintenance Representative

A

A qualified and authorised signals maintenance worker

197
Q

Site controller

A

The lead agency officer or multi agency response police officer appointed by and subject to the direction of an Emergency Operations controller

198
Q

Special Proceed Authority (SPA)

A

A method of special working which may be used when the normal system of Safeworking is not available

199
Q

Special Train Notice (STN)

A

A published notice providing details of train operations or events that might affect train operations

200
Q

Special Working

A

Working rail traffic using a Special Proceed Authority (SPA), pilot staff working or manual block working

201
Q

Speed restriction Notice

A

An information sheet listing temporary speed restrictions for specific locations

202
Q

Stable

A

To leave rail traffic unattended and secured, usually in a siding

203
Q

Staff

A

a metal rod which is, or can be used to issue, the token for a section

204
Q

Substation

A

A place (including substations, traction substations, transformer rooms, switch rooms, sectioning huts, pole-mounted or pad mounted transformers_ Containing High-voltage electrical equipment

205
Q

Sufficient warning time

A

The minimum time needed for workers to react to a Lookout’s Warning and move themselves and equipment to a safe place; should include time for the Lookout’s reaction and a margin for safety

206
Q

System of Safeworking

A

An integrated system of operating procedures and engineered systems used in the Network, for safe operation of rail traffic, and protection of people and property

207
Q

Tail lights

A

Red lights used to designate the end of rail traffic. See also end-of-train markers

208
Q

Terminal line

A

A dead-end line

209
Q

Through-movement

A

Transit or travel in the Network

210
Q

Token

A

A pilot staff or pilot staff ticket used as the authority for rail traffic to occupy a section

211
Q

Tonnage signal

A

A signal before a steeply rising grade, with a sign that directs Drivers and Track Vehicle Operators of prescribed trains, the sign may be before or fitted to a signal

212
Q

Track

A

The combination of rails, rail connectors, sleepers, ballast, points and crossings

213
Q

Trackside monitoring equipment

A

Devices that monitor and respond to track, trackside and rail vehicle conditions

214
Q

Track-circuit

A

An electric circuit where current is carried through the rails and used to detect the presence of trains. Used in the operation and control of points and signalling equipment

215
Q

Track-circuited territory

A

Portions of line where the system of Safeworking relies on track-circuits to detect the presence of rail traffic

216
Q

Track-circuit shorting clip

A

A cable that can be clamped to a line’s rails to activate track circuits

217
Q

Track indicator diagram

A

a diagram that shows if tracks are occupied and other relevant information

218
Q

Track Occupancy Authority (TOA)

A

An authority for Qualified Workers and their equipment to occupy a defined portion of line for an agreed period

219
Q

Track speed

A

The allowed maximum speed for a portion of line

220
Q

Track vehicle

A

A vehicle, usually self-propelled, used for inspecting and/or maintaining infrastructure

221
Q

Track Vehicle Number (identification)

A

the unique number displayed on a track vehicle

222
Q

Track Vehicle Crew

A

The Qualified Workers responsible for the operation of a track vehicle

223
Q

Track Vehicle Operator

A

A Qualified Worker controlling the movement of a track vehicle

224
Q

Track work

A

Construction, maintenance or repair work on or around infrastructure in the rail Corridor

225
Q

Track workers

A

Qualified rail safety workers whose primary duties are associated with work on or around infrastructure in the Rail Corridor

226
Q

Track Work Authority (TWA)

A

An authority for non-exclusive occupancy of track by track workers within specified limits

227
Q

Traction return current

A

The electric current returning from the 1500V overhead power supply through the rails to sub-stations

228
Q

Train

A

A locomotive or self-propelled vehicle, alone or couples to one or more vehicles

229
Q

Train Control Diagram (graph)

A

A diagram showing operational information for a train control area, also known as a Train Control graph

230
Q

Train Crew

A

The Qualified Workers responsible for the operation of a train

231
Q

Train Number (identification)

A

A train or run number used to provide unique identification of a train

232
Q

Train Operating Conditions (TOC) Waiver

A

A notice of changes or exceptions to the requirements specified in the Train Operating Conditions (TOC) manual

233
Q

Train Running Information

A

Information about rail traffic movement and frequency provided for a particular location

234
Q

Train Stop

A

A device that can activate emergency brake applications on passing trains

235
Q

Mechanical train stop

A

a device located next to a line, at or between signals, which raises an arm to activate a trains trip gear

236
Q

An ATP train stop

A

Electronically activates the emergency brake via the train’s Automatic train

237
Q

Transfer

A

Movement from location to location

238
Q

Transit

A

Through-movement along a portion of line

239
Q

Travel

A

Planned or purposeful movement from one location to another

240
Q

Unattended location

A

A signalling Location of Block location that is not a remote controlled location, and where a Signaller is not on duty

241
Q

Unauthorised

A

Not given approval, or exceeding the limit of authority

242
Q

Unidirectional

A

Allowing for normal travel in one direction only according to the infrastructure and system of Safeworking in use

243
Q

Visibility lights

A

Lights, fitted below the headlights, to improve rolling stock’s ability to be seen and to assist the crew in viewing of the immediate area in front of the vehicle

244
Q

Weekly Notice

A

A publication that Advertises changes to, and details of, Safeworking arrangements

245
Q

Wheel Scale

A

A build-up of metallic material on a wheel tread’s surface

246
Q

Whistle

A

A device such as a bell, whistle, siren, horn or hooter, fitted to rail traffic to give audible warning

247
Q

WOLO

A

Speed restrictions applied during hot weather

248
Q

Worksite

A

A site with boundaries that are fixed and defined for the duration of work

249
Q

Work on track

A

The work performed in the Rail Corridor. To Perform work in the Rail COrridor

250
Q

Work on track authority

A

An authority to work on track

251
Q

Work on track method

A

A method to work on track

252
Q

Work Train

A

A train used in maintenance or construction activities

253
Q

Wrong running-direction

A

the direction opposite to the normal direction of travel of unidirectional lines

254
Q

Yard

A

A system of tracks within yard limits

255
Q

Yard Limit

A

A defined operational limit on a running line

Railtrain (13 decks)

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