Client
CPB Contractors / John Holland

Value
$1.15 billion

Location
Sydney, NSW

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The Sydney Metro project is the largest public transportation project in Australia, providing world class rail infrastructure to the residents of North-West Sydney. The project involves the construction of 15km twin tunnels between Bella Vista and Epping, along with additional civil works for five new rail stations and two service facilities.

Sydney Metro Public Transportation Project

Sydney, NSW

Northwest Station

ADG was engaged by the principal contractor responsible for the delivery of Northwest Tunnels and Station Civil Works – CPB John Holland Dragados (CPBJHD) – to provide on-going temporary works engineering solutions and other associated construction services on the project. Our involvement focused on the construction of the Cudgegong Station Concourse Bridge, Precinct Street C Overbridge, Pedestrian Bridge and station retaining walls.

  • Staged erection sequencing for the construction of elevated bridge girders and precast decking units, including design and documentation of temporary works solutions as part of the strength and stability assessment
  • Temporary works design for the propping and sequencing of a number of concrete precast wall panels and retaining walls throughout each station
  • Independent 3rd Party design certification of various formwork & scaffolding systems
  • 50t precast concrete girder lifting arrangements, propping and road transport steel support frames
  • Lifting arrangements of several complex precast concrete shapes requiring in-depth analysis
  • Scaffold and edge protection design and documentation services for safe access at various work fronts
  • Comprehensive design documentation and quality assurance for all tasks as well as site support across all stations.

Bella Vista Station

Services included:

  • Independent third party reviews.
  • Various Temporary Works designs such as temporary access hatch covers, temporary platforms / scaffolds, temporary propping and lifting for walls and slabs erection / installation.
  • Critical stage inspections, certifications and issuance of permits.

 

Castle Hill Station

ADG has been engaged by CPB / John Holland to carry out construction services support for the on-going construction of Castle Hill Station. ADG have carried out the following works for the station:

  • Independent third party reviews of various formwork schemes of varying complexity.
  • Independent third party reviews of precast panel lifting and sequencing methodologies.
  • Critical stage inspections and certifications.

 

Cherrybrook Station

ADG has been engaged by CPB / John Holland to carry out construction services support for the on-going construction of Cherrybrook Station. ADG have carried out the following works for the station:

  • Independent third party reviews of precast wall panels lifting.
  • Independent third party reviews of slab shoring and falsework.
  • Independent third party reviews of precast walls and insitu headwall propping.
  • Critical stage inspections and certifications for all temporary works.

 

Showground Station

ADG has been engaged by CPB / John Holland to carry out construction services support for the on-going construction of Showground Station. ADG have carried out the following works for the station:

  • Independent third party reviews for a range of temporary works.
  • Various temporary works designs.
  • Critical stage inspections and certifications.

 

Epping Service Facility

ADG has been engaged by CPB / John Holland to carry out construction services support for the on-going construction of Epping Service Facility. ADG have carried out the following works for the station:

  • Independent third party reviews.
  • Major temporary works designs for the on-going construction.
  • Critical stage inspections and certifications.