Glossary Flashcards

(255 cards)

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
Block Location
A defined location that separates blocks
26
Block Post
A temporary block location
27
Block trail
A train required to travel under manual block working in track-circuited territory
28
Block work
See manual block working
29
Blocking facility
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
30
CAN block working
Manual block working using a Condition Affecting the Network (CAN) form to warn Drivers and Track Vehicle Operators about the working
31
Cancel
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)
32
Catch points
Single or double bladed points used to derail rail traffic that might enter or foul an adjacent running line
33
Caution handsignal
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
34
Certify
To classify a worker as competent. To classify infrustructure or rolling stock as fit for purpose
35
Clearance Handsignaller
A Handsignaller at a clearance location, who reports the clearance of rail traffic past that location
36
Clearance location
A location that, once clear of rail traffic, allows a following movement
37
Clearance point
see clearance location
38
Clearance post
A post, marker, light or disc to indicate the clearance point of two converging lines
39
Closely approaching
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
40
Co-acting Signal
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
41
Commission
To formally place into active service or use
42
Condition Affecting the Network (CAN)
A situation or condition that affects or has the potential to affect the safety of the Network
43
Consist
A listed order of the vehicles arranged to make up a complete train
44
Consolidated yard
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
45
Controlled absolute signal
A signal that is controlled or operated by a Signaller or a Qualified Worker. The signal must not be passed at STOP without authority
46
Controlled signal
A signal that is, or may be, controlled or operated by a Signaller or Qualified Worker
47
Converging
(Lines) meeting and joining to become one line
48
Convoy
a group of track vehicles not coupled by travelling closely together under a signle Occupancy Authority
49
Coordinating Protection officer
The Qualified Worker responsible for protection of a coordinated worksite under a Local Possession Authority (LPA). See also Protection Officer
50
Cross
To go past other rail traffic travelling in the opposite direction
51
Crossing location
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
52
Crossover
A portion of line that is used to divert rail traffic from one running line to another
53
Danger Zone
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
54
Dangerous goods
Materials defined under the Australian Dangerous Goods Code
55
Dead end siding
A portion of line connected to a running line or other siding, with points at one end only
56
Delegate
A Qualified Worker authorised and designated to act in place of another
57
Demarcation fencing
Easily-seen, continuous worksite safety boundary markers
58
Derail device
a device intended to guide the wheels of rail traffic off rails
59
Direct
to give instructions
60
Disables
Unable to travel due to a defect or a Condition Affecting the Network (CAN)
61
Discrete-Channel
A system in which only the intended participants in a radio or telephone conversation can take part in the conversation
62
Driver
A Qualified Worker controlling the movement of rail traffic
63
Effective communication
The ability to successfully send, receive and understand information. The communication does not need to be continuous
64
Electric Vehicle Maintenance Centre (EVMC)
A designated location where maintenance work is carried out on electric traction vehicles
65
Electrical Infrastructure
Equipment and systems for supplying and distributing electricity for traction purposes
66
Electrical Representative
A person with the appropriate delegated authority and electrical engineering competence to make judgements about electrical safety
67
Electrical safety instructions
Instructions provided by Electrical Maintenance Representatives for work on or near electrical infrastructure
68
Electrical System Operator
The person responsible for managing the Network electrical system and authorising the removal and restoration of overhead supply
69
Emergency
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
70
End-of-train marker
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
71
Exclusive occupancy
Sole occupancy of track within defined limits
72
Facing point
Points with the switch blades facing approaching rail traffic
73
Failsafe
Designed such that failure results in a safe outcome
74
Fit for purpose
able to be used for the function required
75
Fixed signal
A signal that is located permanently near the line
76
Foul
In a position to obstruct rail traffic on adjacent lines
77
Four-foot
The area between the rails of a railway track
78
Fulfil
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)
79
Groundframe
A small trackside interlocking device used for manual points or signal operation
80
Half-staff
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
81
Handsignal
A signal given by hand movements, with or without flags or lights. To give a signal by hand
82
Handsignaller
A Qualified Worker who gives handsignals to Drivers and Track Vehicle Operators
83
Haul
To move rail traffic using a motive power source at the leading end
84
Hazard light
Amber or orange flashing light fitted to a vehicle to provide warning
85
Headlights
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
86
In effect
Activate, become current, in force
87
Incident Management Framework
A manual issued by Sydney Trains that Prescribes rules and procedures to be followed in the event of a major incident
88
Infrastructure
See civil infrastructure; electrical infrastructure; signalling and telecommunications infrastructure
89
Instruction sign
A sign, near or fixed to a signal, bearing directions for Drivers and Track Vehicle Operators
90
Interlocking
Interaction of equipment controlling points and /or signals to prevent conflicting movements, and to make sure the routes are set correctly
91
Interlocking machine
Equipment used to operate or control interlocked points and signals
92
Intermediate
Between two others
93
Intermediate siding
A siding located within a section, generally used for purposes other than crossing or passing of rail traffic
94
Isolated 1500V overhead wiring section
A 1500V overhead wiring section disconnected from all possible sources of 1500V supply, and made incapable of accidentally being made live
95
Issue
To give or send copies of authorities, warnings, notices and Network publications to affected Qualified Workers by voice, hand delivery or electronic means
96
Joint occupancy
Simultaneous occupancy of track within defined limits
97
Level Crossing
A location where the railway line and a road or pedestrian walkway cross paths on he same level
98
Light, battery powered tool or device
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
99
Light locomotive
One or more locomotives not attached to another vehicle
100
Light, non-powered hand tool
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
101
Light, powered hand tool
An internally powered tool that can be carried easily by one person, without mechanical assistance
102
Limit of authority
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
103
Loading outline
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
Local control panel
An interlocking facility that may be switched to and from local control
105
Local Possession Authority (LPA)
An authority that closes a defined portion of line for a specified period
106
Location
A place in the Network with a disgnated name, identification number, signalling reference or kilometrage
107
Locomotive
Self-propelled, railway vehicles used for hauling other rolling stock
108
Lookout
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
Lookout working
A safety measure used by Qualified Workers to carry out work on track without a formally issued work on track authority
110
Loop
See balloon loop, crossing loop, refuge loop
111
Low visibility
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
Main Line
The running line normally used for running rail traffic through
113
Maintenance Representative
A Qualified Worker with appropriate authority to maintain the line infrustructure
114
Major incident
An incident assess as having a potentially major impact on the Network, human life, property of the environment
115
Manual Block working
A method of special working, which ensures sole occupancy by manually maintaining the block between rail traffic moovements
116
Marker Lights
Lights which indicate the front or rear of a train
117
Marshal
To arrange the order of vehicles in a train's consist
118
May
Indicates permission
119
Motive Power unit
A rail vehicle used to provide the power to move itself or other vehicles
120
Must
Indicates that a statement is mandatory
121
Net train weight
The weight of vehicles and their load in a train consist
122
Network
A combination of track and other infrastructure controlled by and Access Provider
123
Network Access level crossing
Generally permanent level crossings provided at authorised locations for Network maintenance
124
Network control
The function responsible for managing rail traffic paths and issuing Occupancy Authorities
125
Network Controller
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
Network Incident Notice (NIN)
A notice used to record and distribute information about incidents on the Network
127
Network Local Appendices (NLAs)
Publications issued to prescribe special Safeworking arrangements for a location of area
128
Network Forms
Forms issued for use as specified in the Network Rules and Network Procedures
129
Network Procedures
Procedures issued for the safe conduct of work on the Network. To be read in conjunction with the Network Rules
130
Network Rules
Rules issued to mandate the requirements for safe operation in the Network
131
Normal Speed
A speed that does not exceed the speed limit currently in effect for the location and type of rail traffic
132
Obstruct
To make a line unsafe for the passage of rail traffic
133
Occupancy
Presence of rail traffic or track workers on track
134
Open-channel
A system that allows all radio users to take part in all conversations
135
Operator
An organisation that manages, operates or maintains rail traffic on the Network
136
Operator's Representative
A person authorised by an Operator to act on their behalf
137
Pantograph
An apparatus fixed to the roof of electric traction vehicles to draw current from the overhead supply
138
Pass
To overtake other rail traffic travelling in the same direction
139
Passive control level crossing
Road and pedestrian level crossing warning that relies on road users and pedestrians looking out for and giving way to rail traffic
140
Permanent form
A record made in writing or in a computer system, and kept for reference and audit
141
Permissive signal
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
Pilot
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
Pilot staff
A metal staff that authorises travel through a pilot staff section
144
Pilot Staff Notice (PSN)
A form used to give details of pilot staff working
145
Pilot Staff Ticket
A written authority issued after a Driver or Track Vehicle Operator has seen the pilot staff or half-staff for a section
146
Pilot staff working
A method of working rail traffic, using a pilot staff or half-staff, when the normal system of Safeworking is not available
147
Pilot Staff working Introduction
A formal authority to introduce pilot staff working
148
Platform
A raised or level area, next to the line, that allows people to enter and leave trains
149
Points
A track component consisting of paired pieces of tapered rail that can be moved and set to allow tracks to diverge or converge
150
Points indicator
An indicator showing the position of points
151
Possession
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
Possession Protection Officer (PPO)
The Qualified Worker responsible for coordinating protection of worksites under a Local Possession Authority (LPA). See also Protection Officer
153
Prescribed Train
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
Proceed Authority
An authority that allows rail traffic to enter and occupy a portion of line and proceed in the forward direction
155
Propel
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
Protection
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
Protection Officer
The Qualified Worker responsible for managing the rail safety component of Worksite protection
158
Pulling list
the listed sequence in which point and signal controls must be operated to set routes
159
Pulsating
A regular variation in light intensity, used to distinguish the indication from a steady light of the same colour
160
Qualified Worker
A worker certified as competent to carry out the relevant task
161
Rail bond
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
Rail-connect
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
Rail Commander
A person appointed by the Shift Manager RMC to liaise with Emergency Services and manage the rail industry response at an incident site
164
Rail Corridor
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
Rail traffic
trains and track vehicle or vehicles travelling on the network
166
Railway Track Signal
A device attached to a rail that explodes on impact, used to attract attention of Drivers and Track Vehicle Operators
167
Rail Vehicle Detection (RVD) Territory
the portions of line where the system of safeworking relies on track-circuiting or axle counters
168
Rake
Vehicles, usually not formed as a train, moved as a unit during shunting and marshalling
169
Refuge loop
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
Release
a device that allows a Qualified Worker to take trackside control of points or signals
171
Remotely Controlled location
An attended location where signals and/or points are controlled by a Qualified Worker at another location
172
Repeater Signal
A signal provided at some locations to give Drivers and Track Vehicle Operators better information about the indication of the next signal
173
Restrain
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
Restricted speed
A speed that allows rail traffic to stop short of an obstruction within half the distance of clear line that is visible ahead
175
Right Running-direction
the normal direction of travel on unidirectional lines
176
Roll-by inspection
a visual inspection of moving rail traffick to identify equipment, loading security or other defects or failures
177
Route
the path from one limit of authority to the next in the direction of travel
178
Running line
A line (other than a siding) that is used for through movement of rail traffic. See also main line and siding
179
Running signal
A fixed signal placed near a running line to authorise and control running movements
180
Running supervisor
The Qualified Worker acting as a shift manager within an Electric Vehicle Maintenance Centre (EVMC)
181
Safe Braking Distance
A distance indicated to rail traffic that would allow rail traffic to stop with the application of normal service braking
182
Safety Assessment
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
SAFE Notice
An authorised notice distributed to give advice in addition to that provided in the Network Rules, Network Procedures or Network Local Appendices
184
Safe Place
A place where workers and equipment cannot be struck by rail traffic
185
Section
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
Secure
to place and keep something in a known or prepared place or position to safeguard it against accidental or unauthorised access or movement
187
Set Back
to move in the reverse direction to that provided in the current Proceed Authority
188
Shunt
To move rail traffic, rakes of vehicles, or vehicles on lines for purposes other than through-movement
189
Shunting Signal
A fixed signal provided to authorise and control shunting movements
190
Shunting yard
A system of tracks, within defined limits, used for shunting and marchalling
191
Siding
A portion of line where vehicles can be placed clear of the running lines,. See also intermediate siding
192
Sighting distrance
the distance that someone can clearly see along the track
193
Signaller
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
Signalling and telecommunications Infrastructure
Signalling equipment and telecommunications equipment used as part of the safeworking and operating systems of the Network
195
Signals Engineer
A person with the appropriate delegated authority and signals engineering competence to make judgements about signalling safety
196
Signals Maintenance Representative
A qualified and authorised signals maintenance worker
197
Site controller
The lead agency officer or multi agency response police officer appointed by and subject to the direction of an Emergency Operations controller
198
Special Proceed Authority (SPA)
A method of special working which may be used when the normal system of Safeworking is not available
199
Special Train Notice (STN)
A published notice providing details of train operations or events that might affect train operations
200
Special Working
Working rail traffic using a Special Proceed Authority (SPA), pilot staff working or manual block working
201
Speed restriction Notice
An information sheet listing temporary speed restrictions for specific locations
202
Stable
To leave rail traffic unattended and secured, usually in a siding
203
Staff
a metal rod which is, or can be used to issue, the token for a section
204
Substation
A place (including substations, traction substations, transformer rooms, switch rooms, sectioning huts, pole-mounted or pad mounted transformers_ Containing High-voltage electrical equipment
205
Sufficient warning time
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
System of Safeworking
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
Tail lights
Red lights used to designate the end of rail traffic. See also end-of-train markers
208
Terminal line
A dead-end line
209
Through-movement
Transit or travel in the Network
210
Token
A pilot staff or pilot staff ticket used as the authority for rail traffic to occupy a section
211
Tonnage signal
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
Track
The combination of rails, rail connectors, sleepers, ballast, points and crossings
213
Trackside monitoring equipment
Devices that monitor and respond to track, trackside and rail vehicle conditions
214
Track-circuit
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
Track-circuited territory
Portions of line where the system of Safeworking relies on track-circuits to detect the presence of rail traffic
216
Track-circuit shorting clip
A cable that can be clamped to a line's rails to activate track circuits
217
Track indicator diagram
a diagram that shows if tracks are occupied and other relevant information
218
Track Occupancy Authority (TOA)
An authority for Qualified Workers and their equipment to occupy a defined portion of line for an agreed period
219
Track speed
The allowed maximum speed for a portion of line
220
Track vehicle
A vehicle, usually self-propelled, used for inspecting and/or maintaining infrastructure
221
Track Vehicle Number (identification)
the unique number displayed on a track vehicle
222
Track Vehicle Crew
The Qualified Workers responsible for the operation of a track vehicle
223
Track Vehicle Operator
A Qualified Worker controlling the movement of a track vehicle
224
Track work
Construction, maintenance or repair work on or around infrastructure in the rail Corridor
225
Track workers
Qualified rail safety workers whose primary duties are associated with work on or around infrastructure in the Rail Corridor
226
Track Work Authority (TWA)
An authority for non-exclusive occupancy of track by track workers within specified limits
227
Traction return current
The electric current returning from the 1500V overhead power supply through the rails to sub-stations
228
Train
A locomotive or self-propelled vehicle, alone or couples to one or more vehicles
229
Train Control Diagram (graph)
A diagram showing operational information for a train control area, also known as a Train Control graph
230
Train Crew
The Qualified Workers responsible for the operation of a train
231
Train Number (identification)
A train or run number used to provide unique identification of a train
232
Train Operating Conditions (TOC) Waiver
A notice of changes or exceptions to the requirements specified in the Train Operating Conditions (TOC) manual
233
Train Running Information
Information about rail traffic movement and frequency provided for a particular location
234
Train Stop
A device that can activate emergency brake applications on passing trains
235
Mechanical train stop
a device located next to a line, at or between signals, which raises an arm to activate a trains trip gear
236
An ATP train stop
Electronically activates the emergency brake via the train's Automatic train
237
Transfer
Movement from location to location
238
Transit
Through-movement along a portion of line
239
Travel
Planned or purposeful movement from one location to another
240
Unattended location
A signalling Location of Block location that is not a remote controlled location, and where a Signaller is not on duty
241
Unauthorised
Not given approval, or exceeding the limit of authority
242
Unidirectional
Allowing for normal travel in one direction only according to the infrastructure and system of Safeworking in use
243
Visibility lights
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
Weekly Notice
A publication that Advertises changes to, and details of, Safeworking arrangements
245
Wheel Scale
A build-up of metallic material on a wheel tread's surface
246
Whistle
A device such as a bell, whistle, siren, horn or hooter, fitted to rail traffic to give audible warning
247
WOLO
Speed restrictions applied during hot weather
248
Worksite
A site with boundaries that are fixed and defined for the duration of work
249
Work on track
The work performed in the Rail Corridor. To Perform work in the Rail COrridor
250
Work on track authority
An authority to work on track
251
Work on track method
A method to work on track
252
Work Train
A train used in maintenance or construction activities
253
Wrong running-direction
the direction opposite to the normal direction of travel of unidirectional lines
254
Yard
A system of tracks within yard limits
255
Yard Limit
A defined operational limit on a running line