matthew lennon - cpb samsung john holland jv
TRANSCRIPT
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Matt Lennon
WCX1B Construction
Overview
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Project Overview
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Project overviewKey information
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Value approx: $2.7 billion
Contract start date: 3 June 2015
Planning approval: 11 February 2016
Completion: Early 2019
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Project overviewConstruction snapshot
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Project length: 6.5 km
Expected vehicles upon opening: more than 100,000 per day
Tunnel speed limit: 80km/hr
Ramp speed limit: 60km/hr
Tunnel height: 5.3 metres
Lanes: 3 lanes in each direction
Ramp grades: The entry ramps into the tunnel are designed to a
maximum grade of 8% and the exit ramps out of the tunnels are a
maximum grade of 6%
Peak employment: Greater than 1400 people at project peak
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Western connection to the widened M4 Homebush
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Western connection to the widened M4 Homebush - artist’s impression, eastbound view
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Western entry/exit point to M4 East tunnels Homebush
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Western entry/exit point to M4 East tunnels Homebush - artist’s impression eastbound view
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Concord Interchange
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Concord InterchangeArtist’s impression - eastbound view
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City West Link Interchange Haberfield
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City West Link Interchange Haberfield - artist’s
impression, looking north east along Wattle Street
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Parramatta Road Interchange Ashfield
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Parramatta Road Interchange Ashfield
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Parramatta Vent Facility
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3 x 30m diameter
interconnected shafts
1 x Inlet shaft (shared with
future Stage 3)
2 x Exhaust shafts.
Average 43m depth
7 x connecting ventilation
tunnels (totalling 750m), cross-
section up to 150m2
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Tunnel
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SitesOverview
4 tunnelling sites
Decline access primarily with shaft access from the western portal
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UNDERWOOD
CONCORD
CINTRA
NORTHCOTE
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Underwood Site
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• Up to 3 roadheaders• Tunnelling only• 12 month operation• M&E access
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Concord Site
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• Up to 4 roadheaders• Tunnelling & Civil fitout• 18 month operation
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Concord Site
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Cintra Site
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• Up to 4 roadheaders• Tunnelling & Civil fitout• 24 month operation• M&E Access
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Northcote Site
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• Up to 10 roadheaders• Tunnelling & Civil fitout• 24 month operation• M&E Access
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Northcote Site
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Excavation General Arrangement
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14.4m
29m
8m
9m
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Fit for purpose water resisting treatment
Entire tunnel space proofed for secondary lining with
membrane
Installation of appropriate linings where needed to meet
project specified inflows and waterproofing requirements
All critical M&E spaces treated with a membrane
Waterproofing strategy
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Main PlantRoadheaders
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5 x Sandvik (3 x MT520, 2 x MT720)8 x Mitsui SLB3005 x Refurbished Mitsui SLB3001 x Mitsui S200VMT Guidance Systems
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Main PlantBolters / Jumbo
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11 x Robodrill1 x Tamrock QuasarVMT Guidance Systems
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Main PlantShotcrete
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8 x Meyco Potenza1 x Jacon Maxijet
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Construction Innovations
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Pendular Bolter
Mechanical installation of cable bolts up to 9m long.
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Dual Cab Roadheader
Enables on the job roadheader operator training.
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Questions?
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