Matt Lennon

WCX1B Construction

Overview

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Project Overview

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

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

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

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

Underwood Site

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• Up to 3 roadheaders• Tunnelling only• 12 month operation• M&E access

Concord Site

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• Up to 4 roadheaders• Tunnelling & Civil fitout• 18 month operation

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

Northcote Site

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• Up to 10 roadheaders• Tunnelling & Civil fitout• 24 month operation• M&E Access

Northcote Site

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Excavation General Arrangement

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14.4m

29m

8m

9m

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

Main PlantBolters / Jumbo

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11 x Robodrill1 x Tamrock QuasarVMT Guidance Systems

Main PlantShotcrete

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8 x Meyco Potenza1 x Jacon Maxijet

Construction Innovations

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Pendular Bolter

Mechanical installation of cable bolts up to 9m long.

Dual Cab Roadheader

Enables on the job roadheader operator training.

Questions?

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