Geotechnical

Geotechnical engineering is the science and art of determining the properties of an unseen and variable material to produce structures that are safe, reliable and cost-effective.

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Our specialists travel to remote regions around the globe to service projects, often through their entire life cycle. Our services cover:

Investigation

  • Geological and hydrological
  • Foundations
  • Material resources
  • Survey and mapping
  • Contaminated sites

Analysis

  • Slope stability
  • Bearing pressures
  • Seepage
  • Seismic risk
  • Groundwater

Design

  • Foundations
  • Mine planning
  • Underground openings
  • Retaining walls
  • Pavements

With 75 years' experience, GHD was the first services provider to pioneer technology in Australasia for:

  • Compacted rockfill
  • Concrete faced dams
  • Post-tensioned dams
  • Roller compacted concrete dams
  • Dams on soft ground
  • Chemical grouting of foundation soils
  • Slurry trench cut-off and filters

For further information, contact:

Peter Stone
Tel: 61 2 9462 4700
Email: Peter Stone

EastLink

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The Eastlink Project is integral to the state’s program for a seamless transport network. Construction of the AUD$1.8 billion freeway commenced in 2004 and was completed in 2008. GHD provided services in roads and highways engineering, structural engineering and tunnelling.

The project comprised over 40 km of freeway standard road, 1.5 km of twin tunnels, 16 grade separated interchanges, more than 95 separate bridges, traffic control equipment and intelligent transport systems, tolling systems and road furniture, urban design elements and landscaping.

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Epping to Chatswood Rail Line

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In terms of scale of investment the Parramatta Rail Link (PRL) will represent one of the most significant rail infrastructure project ever undertaken in the Sydney Metropolitan Network.

The rail link now connects to Chatswood via Epping, providing an alternative route for train services from Sydney’s outer west and Central Coast to access the Sydney CBD.  The link is also crucial to the further development of the rail network into Sydney’s North Western Sector.

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Mountainview High School

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RoseWater GHD provided plans and design of drainage, grading, paving, utilities, and temporary erosion and sediment control (TESC); and construction observation and support for a new
193,000 square feet high school in Auburn, Washington.

The development on the 40-acre site consists of buildings, paved pedestrian areas, parking lots (providing a total of 650 spaces), a bus drop-off area, four ball fields, a soccer/football track and field, and seven tennis courts.

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Printing Press Building for Hobart Mercury

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The new AUD $9 million high-speed facillity, located in the Hobart Technopark, was designed by GHD, which provided the architectural detailing, structural and geotechnical engineering, all building services engineering, planning, environmental and traffic assessments. The EGO Group and Cardno Low and Hooke also contributed to the design.

Most notably, the new equipment allows the Hobart Mercury to output its own colour printing for the first time, avoiding the current need to fly in colour work overnight from Melbourne.

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Replacement of Public Land Bridges

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The Victorian Department of Sustainability and Environment engaged GHD to provide a range of engineering services for the Public Land Bridges Replacement Project.

Located throughout the State’s numerous forests, parks and reserves, these bridges provide vital access for a number of important land uses, including fire management and suppression, and general public access for recreational purposes.

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Sino Iron Ore Project

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The Sino Iron Project is Australia's first major magnetite project and the second largest project currently under construction in the Pilbara.

Due to its remote location 1200 kilometres north of Perth in Western Australia, the client CITIC Pacific Mining Management Pty Ltd required the development of dedicated infrastructure to support the USD3.5billion greenfields sino iron project.

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Sound Transit D755 Link Light Rail

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RoseWater GHD prepared utility, drainage and temporary erosion/sediment control designs for the five-mile long D755 segment of Sound Transit’s Link Light Rail project in Tukwila, Washington.

Services were provided for the construction bid documents and included drawings, specifications, Drainage Design Report, Utility Design Report, and quantity estimate. The project included aerial and at-grade sections of guideway, street improvements and parking lot redevelopment for a new station.

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The Darra to Springfield Transport Corridor

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The Darra to Springfield Transport Corridor is the first large-scale integrated road and rail project for South East Queensland.

The purpose of the AUD1.5 billion project is to improve road, rail and public transport links between Darra and Springfield to service the growing population centres along the corridor and will be built in two stages.

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