Potts Hill Eastern Precinct Infrastructure Works - Potts Hill NSW
Project featuring the RECO TerraClass® System.
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General Information
The Potts Hill reservoirs site has been used by Sydney Water for more than 100 years and plays a role in supplying water to Sydney. Sydney Water no longer requires portions of the site for operational purposes. In partnership with Sydney Water, Landcom has developed options for redeveloping these areas.
The redevelopment at Potts Hill covers approximately 40 hectares of the 116 hectare site. The western precinct of the site will be redeveloped into a residential area including up to 450 homes. These homes will mainly be single houses but may also include two smaller areas of medium density development such as town houses and small-scale apartments. Areas of open space will also be provided.
JK Williams engaged Retaining Solutions as the successful tenderer to install four Reinforced Earth™ Retaining Walls to support a new road and roundabout being built within the development. Due to poor soil conditions significant ground improvement was necessary to achieve satisfactory bearing capacity.
The Reinforced Earth™ walls were erected is staged construction to allow them to rise steeply up over a culvert which has a 450mm diameter storm water pipe running underneath and has a roundabout on top. Two of the approach walls also have a precast concrete pier placed behind the panels every 4m to take the load of street lights bolted on top.
Around 15 hectares in the eastern precinct of the site is being developed into a business park, providing long-term employment opportunities. This includes the Sydney Water’s new office and warehouse facility to be used for up to 450 Sydney Water staff, opening in early 2010.
Project Specs
- Application - New Road and Approaches
- Product - RECO TerraClass® System
- Finish - Vertical Rib System
- Area - 1037m2
- Max. Height - 7.4m
- Length - 283m
- Loadings - 20kPa
- Design life - 100 years
- Owner - Sydney Water - Landcom
- Client - JK Williams
- Construction - 2 months
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