Tim Parker - Transport for NSW
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Transcript of Tim Parker - Transport for NSW
![Page 1: Tim Parker - Transport for NSW](https://reader031.fdocuments.in/reader031/viewer/2022012313/58a458bd1a28ab55068b671d/html5/thumbnails/1.jpg)
14th Australian Tunnelling Conference
Tim Parker | Project Director City & Southwest | Sydney Metro
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Overview
1. Introduction and Context
2. Sydney Metro Overview
3. Northwest update
4. City & Southwest tunnelling
5. Q&A
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More than 65 km
31 metro railway stations
Two stages
Northwest 15 km new twin
tunnel
City & Southwest 16 km new
twin tunnel
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Sydney Metro Benefits
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Customer Experience
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Sydney Metro
Stage 1 – 36km
Open first half of 2019
8 new stations; 5 upgraded
4,000 car spaces
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Cudgegong
Tunnels & Station Civil (TSC)
Design & construct Driven tunnels, station excavation,
ground support
Surface/Viaduct Civil (SVC)
Epping Bella Vista Cudgegong
Epping Bella Vista Chatswood
Design & construct Surface civil infrastructure (including viaduct), Bella
Vista to Cudgegong
Epping to Chatswood Rail Link (ECRL) existing infrastructure interface
Operations, Trains & Systems (OTS) PPP Partially privately financed (with substantial State contribution)
Deliver railway systems (new and upgraded), trains, stations & precincts Operate services & stations, maintain all assets
Early Civil Works by TfNSW
Chatswood
Epping to Chatswood Rail Link (ECRL) enabling works by TfNSW
Integration Activities by TfNSW
Sydney Metro Northwest delivery
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Sydney Metro Northwest
Industry participants – sectors and countries
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Tunnelling (TSC)
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Tunnelling
More than 2.5 million tonnes of rock excavated
100% crushed rock recycled
98,184 concrete segments
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98,184 concrete segments
16,290 waterproof rings
More than 3,600 tonnes of cement
18 months, 635,000 working hours
Tunnelling (TSC) – Pre-cast Facility
Site was demobilised as of March 2016
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State of the art launch gantries
from Dubai
Gantries to lift segments into
place – enabling main arterial
roads to remain open during
construction
121 piers
1,200 segments
124 spans
Skytrain - SVC
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Sydney Metro: City & Southwest
Chatswood to Sydenham EIS exhibition Q2
2016
Start construction 2017
Start major contract procurement Q3- Q4 2016
Sydenham to Bankstown EIS exhibition 2017
First TBM 2018
Operations 2024
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Metro Alignment Design - Theoretical
Stations equally spaced
Slight vertical between each station
Tunnels are in parallel
Straight alignment – no curves
If curves – long radius
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Metro Alignment Design - Reality
Natural constraints
– Geotechnical condition
– Land levels
Station locations
– Customer based
– Land availability
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Natural Constraints
Geotechnical Investigation
Harbour Crossing
Other tunnels
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Ground Investigation CBD
Stage 1
– 26 Land boreholes
– 22 Marine boreholes
– 30 Cone Penetration Testing (CPT)
Stage 2
City
– 29 Boreholes
– 13 CPT
– 10 test pits
Southwest
– 128 investigation holes
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Ground Investigation Harbor
Planned
• Geophysics
• Diamond coring + Standard Penetration Test (SPT)
• In-situ stress testing
Additional
• CPT testing
• Denison Sediment sampling
• Upper sediment testing
• Further Geophysics
• Seismic
• Borehole tomography
• Resistivity
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Natural Constraints
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Geology
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Underground Constraints
Other tunnels
Maximum gradients
Underground stations – Passenger focused
Utilities
Rock anchors
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Artist’s impression of Martin Place Interchange
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Harbour Crossing Alignment
Option 1 – Rock TBM
Deep sediments
Option 2 – Soft ground TBM
Option 3 – Shallow IMT
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Harbour Crossing Alignment
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Metro Alignment Design Reality
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Metro Alignment Design Reality
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Contracting strategy – City & Southwest
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Reference
Tunnelling
Strategy
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Harbour – Ground Treatment
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TSE Procurement Strategy
• Progressive Industry Engagement
• Early Release of Design and Investigation Results
• Expression of Interest to respond to Technical Aspects
• Intensive Interactive Tender Process
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TSE
Currently out to tender
Two consortia shortlisted and invited to tender
– The John Holland CPB Ghella Joint Venture, made up of John
Holland Pty Ltd, CPB Contractors Pty Ltd and Ghella Pty Ltd
&
– The Ferrovial, Acciona Ltd and BAM Joint Venture, made up of
Ferrovial Agroman (Australia) Pty Ltd, Acciona Infrastructure
Australia Pty Ltd and BAM International Australia Pty Ltd
Tender closes at the end of the year
Tender will be awarded in mid 2017
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Thank you