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We're a design and construct specialty contractor with expertise in the engineering of site specific retaining structures.
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KeySteel® Reinforced Walls
KeySteel® (in-extensible) reinforced walls are high performance, mechanically stabilised earth retaining wall systems developed specifically for taller walls (highway walls), walls with heavy surcharges...
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CornerStone® Positive Walls
CornerStone® Positive is a vertical system designed for special project situations that demand retaining walls with exceptional strength such as highway and railway embankments...
MagnumStone® Walls
The MagnumStone® product is a large block, hollow core, wet-cast segmental retaining wall system. The environmental and economical advantages of MagnumStone™ are unprecedented...
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Latest News
Software Development with ARUP Consulting
Engineers to carry out RTA R57 Specification designs using RECO & VSoL Panel Systems in addition to Positive Connection Geogrid Systems. Software Development with ARUP Consulting Engineers to carry out AS4678 designs using precast concrete cribwalls.
New Web Site Launched
We're pleased to welcome you to our brand new web site created by Ulladulla Web+Design. Try the new search feature at the top of the page... Ulladulla Web+Design.
New Product Added
We've added reinforced concrete cantilevered masonry walls to our growing list of wall-types that we can construct... Read more.
Featured Case Studies
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Lisarow Aged Care Facility
Astoria projects are constructing a new Aged Care Facility at Lisarow, as part of a staged development.... Read more.
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Central Coast Highway Upgrade
The Carlton to Matcham Road project involved the widening of the Central Coast Highway (HW30) at the Serpentine... Read more.
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Cattai Creek
GlenhavenThe project involved the construction of 52.1m long & 16.1m wide super-T girder bridge, approach roadworks... Read more.
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Potts Hill
Infrastructure WorksThe Potts Hill reservoirs site has been used by Sydney Water for more than 100 years and plays a role in... Read more.