Supporting The Development Of Perth’s Rail Network




Project Info

Client
Public Transport Authority (PTA)

Location
Perth, Australia

Description

METRONET is an ambitious long-term rail enhancement plan by the Public Transport Authority (PTA) to connect the suburbs of Perth, reduce road congestion and meet the city’s future public transport needs over the next 50 to 100 years.

Golder was involved in some of the first programs of work for METRONET, including conducting the geotechnical and environmental investigations for the Thornlie-Cockburn rail link, the rail extension at Yanchep, and the removal of the level crossing at Denny Avenue. We were engaged to facilitate the design and construction of civil works for these three projects.   

Golder did the field and laboratory geotechnical, hydrogeological, geophysical, chemical, environmental and constructability investigations to provide the information needed for subsequent design and construction tenders. The geotechnical component of the work pertained to all three projects and a contamination investigation was done at the Thornlie-Cockburn rail link.

Digital engineering technology was used to allow information to be shared between multiple field teams and field managers (such as mapping of test locations near to underground services) and to minimise errors and improve efficiency, with all field staff logging digitally onto tablets and recording all field notes and observations on SharePoint in real time.

Our extensive experience enabled us to revise the scope of work provided by the client and improve the overall outcomes. We completed a detailed desktop study, which allowed us to change the testing methodology that had been proposed. This resulted in a significant cost saving for the client, in the order of 30% of our tender price.


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