1 Commercial in ConfidenceCommercial in Confidence
Mobile Carrier Infrastructure Sydney Rail Tunnels – A Project Review
11th - 12th August 2014
2 Commercial in Confidence
Sydney Trains – a Customer Focus
Customer Experience
Reliability
On Time Running
3 Commercial in Confidence
The Objective
Provision of mobility infrastructure to enhance the
customers journey in and around the CBD rail
tunnels.
4 Commercial in Confidence
The Strategy
• Commercial Agreements for delivery
• 3 different stages
• Design and install a solution to provide the
objective.S
hore
Tunnels
City C
ircle
ES
R &
Illa
Relie
f
5 Commercial in Confidence
Design Solution
• c.1920’s Rail Tunnels
• c.1970’s Rail Tunnels
6 Commercial in Confidence
Design Solution
• Coverage within Tunnels
7 Commercial in Confidence
Design Solution
• Distributed Antenna System (DAS)
8 Commercial in Confidence
Design Approval & Risk Management
• System Design
• Civil & Track Design
• Stakeholder Approval
9 Commercial in Confidence
Implementation & Late Scope
• Track Access
• Power
• Testing Window
• North Sydney & Chatswood Rail Box (enclosure)
• Signal Risk
• Carrier Connection
10 Commercial in Confidence
Commissioning
• Testing Process
• Nth Sydney Signalling
• Transport Ministers Office
11 Commercial in Confidence
Program Awareness
• Stage 1 in service
• Schedule and Completion dates
12 Commercial in Confidence
Stage 2
• City Circle
• Similar design concept
13 Commercial in Confidence
Challenges and Risks
• Tunnel Profiling – Older data
• Design Approval
• Track Access
• Continual correspondence with multiple
stakeholders
14 Commercial in Confidence
System Performance & Expectations
• Stage 1 performance
• Technical optimisation
• Older technology in Stations
15 Commercial in Confidence
Stage 3
• Eastern Suburbs Railway & Illawarra relief
• Similar Design Concept
• Station Coverage in scope
16 Commercial in Confidence
Challenges and Risks
• Tunnel length
• Cost
• Track Access -
Innovation
• Late change of solution
17 Commercial in Confidence
Lessons Learnt
• Structured Design Approval process
• Strong Milestones
• Manage Expectations
• Risk & Opportunities
18 Commercial in Confidence