Case Study
West Gate Tunnel Project – Early Works
- ClientCPB John Holland JV
- StartJuly 2017
- Value$20m
- CompleteMarch 2018
Early Works to enable the widening of the West Gate Freeway from 8 to 12 lanes, 6.8km of tunnelling, a bridge over the Maribyrnong River, and 14km of new and improved cycling and walking paths.
Doing 'it' better
Completed within budget, with zero lost-time injuries
FSC Scope
- Geotechnical drilling
- Environmental sampling
- Utilities investigations
- Feature surveys
- Bathymetry
- Establishing site compounds
- Diving works
- Traffic monitoring
- Pump testing
- Design liaison
- Procurement
Challenges
- Complex stakeholder interface between port, rail and utilities
- Managing freeway lane closures
- 7km long worksite with numerous work fronts
- Few project systems initially in place
- Extensive night works
Smarts
- Planning works to minimise traffic management and disruption
- Provided permanent sewer to site compounds saving $1.7m compared to temporary connection
- Connecting permanent power to site compounds saving $1m compared to temporary connection
Achievements
- Rapidly establishing project systems for cost tracking, safety and communication
- Improving site investigation efficiency allowed M80 area to commence design 6 months early
- Accelerated the rollout of seven site compounds
Performance
- Safety: 0 Lost Time Injuries
- Cost: Completed within budget
- Program: Completed within Programme
FSC Staff
- Lachlan Smith – Early Works Manager
- Travis Baker – Senior Contract Administrator
- Chris Ling – Bridge Widening & Site Establishment
- Alex Malesevic – Design Coordinator Utilities
