matt lynton, sydney trains - underground telecommunications systems and infrastructure

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


The Objective

Provision of mobility infrastructure to enhance the

customers journey in and around the CBD rail

tunnels.


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


Design Solution

• c.1920’s Rail Tunnels

• c.1970’s Rail Tunnels


Design Solution

• Coverage within Tunnels


Design Solution

• Distributed Antenna System (DAS)


Design Approval & Risk Management

• System Design

• Civil & Track Design

• Stakeholder Approval


Implementation & Late Scope

• Track Access

• Power

• Testing Window

• North Sydney & Chatswood Rail Box (enclosure)

• Signal Risk

• Carrier Connection


Commissioning

• Testing Process

• Nth Sydney Signalling

• Transport Ministers Office


Program Awareness

• Stage 1 in service

• Schedule and Completion dates


Stage 2

• City Circle

• Similar design concept


Challenges and Risks

• Tunnel Profiling – Older data

• Design Approval

• Track Access

• Continual correspondence with multiple

stakeholders


System Performance & Expectations

• Stage 1 performance

• Technical optimisation

• Older technology in Stations


Stage 3

• Eastern Suburbs Railway & Illawarra relief

• Similar Design Concept

• Station Coverage in scope


Challenges and Risks

• Tunnel length

• Cost

• Track Access -

Innovation

• Late change of solution


Lessons Learnt

• Structured Design Approval process

• Strong Milestones

• Manage Expectations

• Risk & Opportunities

matt lynton, sydney trains - underground telecommunications systems and infrastructure

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