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www.thalesgroup.com
Re-signalling with the CBTC Signalling System
SHANTILAL MORARTECHNICAL DIRECTOR/PROJECT DESIGN AUTHORITY
1ST DECEMBER 2016
www.thalesgroup.com
This Presentation▌ Customer Needs and Challenges
▌ Re-signalling with CBTC
▌ Return on Investment
▌ Conclusion
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Customer Needs&
Challenges
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Customers Priority and Expectation from Re-signalling
▌ Keeps system in good repair and no degradation of public services due to aging equipment
▌ Provides Safety Assurance to meet Current Standards - Enhanced Safety
▌ Increase capacity to address growing ridership into the future ( another 20-25 years)
▌ Provide improved availability and reliability
▌ Takes advantage of new technology to :
• Bring in more and richer functionality• Provides better efficiency and operational flexibility for operators• Provides easier maintenance• Facilitate operation management • Improved Performance and Capacity with existing tracks
▌ Efficient use of site access
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Challenges
▌Project ChallengeRe-signalling projects requirements are:
• Upgrade an aging infrastructure• Predicted increase in service demands based on population growth• Legacy systems beyond expected life• Significant maintenance costs• Poor reliability due to life expired infrastructure• Need for 24 hours operations• Limited access opportunities
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Challenges
▌Brown Field ChallengeAny proven solution will require some specific interfaces with legacy systems
• Migrate from existing technical and operational systems• Limited time to install and test on operational railway• Restoration to normal operations each Working day• No impact to revenue services• Consideration for reuse of existing components• Mixed mode operation• Early demonstration of technical solution• Upgraded User Interface• Variety of Rolling Stock
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Automatic Operation
▌Project ChallengeAutomatic operation seen as critical by Customers to achieve required performance
• Rapidly increasing passenger numbers• Shorter journey times • Higher throughput required• Better ability to recover from service disruption needed• Variability of driver operation • Decision making support• Service regulation
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Re-SignallingWithCBTC
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First Re-signalling to CBTC project - London Dockland Light Rail Initial scope: Resignalling 13 km, 15 stationsFirst SelTrac Revenue: 1994Follow on Extensions
Beckton: 1995Lewisham: 1999London City Airport: 2005Woolwich Arsenal: 2009Canning Town – Stratford: 2011
Current DLR system 34 km; 45 Stations149 Trains
Main transit for the London Olympics
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Case Study on LUL Jubilee and Northern Lines
JUBILEE LINE• 35 Km• 27 stations, • 63 trains, • 2 Depots• New Control Centre• ATO Operation• 3 Migration Areas
NORTHERN LINE• 58 Km• 50 stations, • 106 trains, • 5 Depots• 660,400 passengers per day• New Control Centre• ATO Operation• 6 Migration Areas
• A mature, complex operating railway
• Complex Operations and Timetable
• Complex Junctions• Access restrictions• Minimum Impact to
Passenger Service
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Case Study on LUL Jubilee and Northern Lines
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Northern Line Complexity
• 58 km of track, serving 50 stations• 252 Million passengers a year in 2011,
approaching a million on weekday.
High Barnet
BANK
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Northern Line – Project Summary
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IMR SER
Fuse/MCB Bay
Existing Interlocking
Existing Signalling System
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Passive Installation – Data
IMR SER CBTC SER
FID DCTF CCTF1 CCTF2
RLBCCTB
EAK EAK
Fuse/MCB Bay
Existing Interlocking
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COC
SCSRR
Passive Installation – Control
IMR SER CBTC SER
RLBEAK EAK CCTBCCTB
FID DCTF CCTF2
TCTFTCTF
TEMPORARYCABLING
MCB
Term.Fuse/MCB Bay
Existing Interlocking
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Commission – Change Over Cubical
IMR SER CBTC SER
RLBEAK EAK
MCB
CCTB CCTB
FID DCTF CCTF2
TEMPORARYCABLING
COC
SCSRR
Term.
TCTFTCTF
Existing Interlocking
Fuse/MCB Bay
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CBTC Commissioned
IMR SER CBTC SER
FID DCTF CCTF2
COC
SCSRR
RLBEAK EAK CCTB CCTB
TEMPORARYCABLING TCTFTCTF
Existing Interlocking
Fuse/MCB Bay
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ReturnOn
Investment
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Jubilee Line and Northern Line Re-signalling Return of Investment
CBTC
Operation and Maintenance
E & M Equipment
Civil Construction
Land
ReturnInvestm
ent
• Capacity increase:Jubilee Line 33% , Northern Line 20%
• Journey times Reduction:Jubilee Line 22% , Northern Line 18%
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Case Study Lessons Learnt
▌ Lessons learntFrom a complex Brown Field Re-signalling
• One can never spend too much time with Operators and Maintainers when developing and agreeing requirements
• Demonstration of reliability prior to commissioning is essential• Prove as much as possible ‘off site’• Complex interfaces require real attention to detail • The whole railway system must be considered• Collaboration will resolve problems• Always consider the whole life of the system• Dependencies are key
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Collaborative Working
▌Optimising relationshipsThe importance of a collaborative relationship
• Consider the team in the widest possible sense• Problems are resolved by discussion• Co-location has many benefits• Always ask which party is best placed to deliver• There is a solution to every challenge• Celebrate success• Have a contract to ‘enable collaboration’
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New Challenges
▌Ever strengthening relationshipsIn July 2015 Thales were awarded the re-signalling of 4 additional lines (Metropolitan, District, Circle and Hammersmith and City) by London Underground, known as the 4LM project.
- Solution based upon proven Jubilee and Northern Line Solution- Enhanced to meet latest requirements e.g. radio- Continued collaborative working approach- Minimise disruption to passengers- 320 route kilometres of track - 191 trains (S7 & S8 – Stock), 52 Engineers Vehicles- 16 existing control locations rationalised to one new OCC- Long term partnerships
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Automating the most Complex Metro in the World
• ATO enables the upgrade benefits • Huge increase in capacity ML 27%/DL 24%/C&H L 65% • 32TPH in central section (27TPH now)
• > 1M Passenger• 26% of LU Total • Makes 40% of LU Network
• Padding – Farringdon is World Oldest Underground Railway (1863)
• Trains up to 50 years old• Some parts of Signalling from 1920s
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DistrictLine
Metropolitan Line
Hammersmith & City Line
Circle Line
4LM Migration Strategy
Project Complexity and Size330Km Route Tracks
Trains191 New S-Stock Trains (ML, DL, CL + H&C Line)2 S Stock Type S7 (133) and S8 (58)5 Types of Engineering Trains
Depots4 Major Depots2 Major Sidings4 Other Sidings
• Position based Transponders• Radio Communication• Mixed Train Operations (CBTC and Non-CBTC)• Both Moving Block and Fix Block Signalling• Inter-Lines Stock Move Interfaces• 16 existing control locations rationalised to one new OCC
4LM Migration Areas
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Hong Kong 7 Lines Re-signalling Project Overview
1
2
3
45
• All 7 lines will be converted to Thales SelTrac® CBTC solution with moving block technology, 2.4 Ghz Software Defined Radio (SDR) communication with fallback to LTE.
• Integrated interlocking• Triple redundancy
Work scope covers :• 5 separate CBTC systems.
• One each CBTC for first 4 Lines
• One CBTC for remaining 3 Lines
• 7 lines ~ 120 km double track and 73 stations
• 7 types of veh, (158) • 3 types loco/engineering
trains (48)• 5 depots with test track• 1 OCC with 5 separate ATS
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Hong Kong 7 Lines Re-signalling Project Overview
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Hong Kong 7 Lines Re-signalling Project Overview
▌Both Customer and Suppliers fully acknowledge:Importance of partnership and have a “Partnering Agreement” in placeImplementation Lessons Learnt at each key milestone
▌Customer takes proactive approach and gets involved at early stage
▌Customer Engineering and Operators gets involved at early stage
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Conclusion
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More Capacity & Reduced journey times
15.4 min
13.8 min
Pre-upgrade Post-upgrade
Average journey timeNorthern Line
Replaced signalling to reduce the average journey
time by 1 min 37 sec.
This saves the average commuter 12.2 hours
travelling time per year
Replaced signalling to reduce the average journey
time by 1 min 49 sec.
This saves the average commuter 13.7 hours
travelling time per year
13.4 min 11.5
min
Pre-upgrade Post-upgrade
Average journey timeJubilee Line
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SelTrac™ Re-signalling Projects P
roje
ct
Con
trac
t Aw
ard
Ope
ratin
g M
ode
Inte
rlock
ing
Kilo
met
ers
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2026
Hong Kong DUAT - AT&D 2015 GOA3 I 70 Hong Kong DUAT - AT&D4LM District Line 2015 GOA2 I 188 4LM District Line4LM Metropolitan Line 2015 GOA2 I 67 4LM Metropolitan Line4LM - Hammersmith & City Line 2015 GOA2 I 27 4LM - Hammersmith & City LineHong Kong DUAT - TKL 2015 GOA3 I 14 Hong Kong DUAT - TKLHong Kong DUAT - KTL 2015 GOA3 I 18 Hong Kong DUAT - KTLJRE Joban 2014 GOA4 I 30 JRE JobanHong Kong DUAT - ISL 2015 GOA4 I 16 Hong Kong DUAT - ISLHong Kong DUAT - TWL 2015 GOA4 I 17 Hong Kong DUAT - TWLWest Virginia University 2014 GOA4 I 8 West Virginia UniversitySingapore EWL & TWE 2012 GOA4 E 57 Singapore EWL & TWEKuala Lumpur Ampang Line 2012 GOA4 I 45 Kuala Lumpur Ampang LineOrlando Disney World APM 2012 GOA4 I 22 Orlando Disney World APMSingapore NSL 2012 GOA4 E 46 Singapore NSLNew York Culver 2011 GOA2 E 8 New York CulverNew York Flushing Line 2010 GOA2 E 15 New York Flushing LineHong Kong APM 2011 GOA4 I 4 Hong Kong APMEdmonton North LRT 2011 GOA3 I 12 Edmonton North LRTParis RATP Line 13 2006 GOA2 E 23 Paris RATP Line 13London Tube Lines - Northern 2003 GOA2 I 58 London Tube Lines - NorthernLondon Tube Lines - Jubilee 2003 GOA2 I 37 London Tube Lines - JubileeBundang Commuter 2003 GOA2 E 6 Bundang CommuterSan Francisco MUNI 1992 GOA3 I 11 San Francisco MUNILondon DLR 1990 GOA3 I 38 London DLR
EI
Extension(s)
Loop CommunicationRadio Communication
Automatic Operation with Attendant in the CabAutomatic Operation with Attendant on TrainAutomatic Operation without a Driver
External InterlockingIntegrated InterlockingGOA3
GOA4
GOA2
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Conclusions
▌ Focus On Risk• Understand Baseline Features and “Delta Functions” • Hardware and Software Complexity• Migration Sequence and Interfaces to Existing
Signalling• Make Difficult Decisions Upfront• Manage Parallel Design/Development Streams• Watch out for Overload – Both on Customer and
Suppliers• Areas that no-one wants to talk about!
• Hold Open Discussions
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nsp
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tions
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ll rig
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eser
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umen
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com
mun
ica
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of it
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Conclusions
▌Collaboration breeds successKey to successful brown field re-signalling includes:• Excellent communication in a collaborative
manner• Robust technical problem solving• Mature system architecture• Celebrate success• Consideration of whole life support• Learn lessons and continually improve.• A good contract will enable collaboration• The most important is ONE TEAM
UK National Rail Awards, Outstanding Teamwork Award
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