Western Sydney Stadium

New Stadium Development

 
Lendlease contracted Delta Group to design and deliver an integrated project management solution for the $330m redevelopment of Parramatta Stadium in Western Sydney. The scope of works included:

• Site set up, including amenities, materials hoist, gantries and full height perimeter scaffold.
• Demolition of existing structures down to basement levels, including two concrete grandstands, concourse, amenities and offices, six steel light towers, as well as an adjacent Olympic Swimming & Diving Complex (and diving tower).
• Bulk/detailed excavation works, including the construction of reinforced concrete foundations, retention systems, lift core rafts and ground slabs.
• Removal and remediation of asbestos contaminated soil.
• Emission, noise and vibration controls.
• Transport logistics – including contaminated materials tracking and licensed vehicles as well as traffic management and supervision.
• Recycling of construction waste materials.
• Specialist services – archaeological studies, aborist and tree removal.

A meticulously planned and integrated works programme was designed to successfully complete all works on time, on budget and without incident, involving a series of unique demolition and civil construction challenges:

• Design and construction of processing support columns 13m above ground to allow a second machine to reach and pull down the cantilevered steel grandstand rooves.
• Engineering temporary supports to coordinate felling of steel light towners, allowing for wedge cuts to facilitate a successful ‘push’ technique to bring down structure.
• Onsite concrete and steel recycling.
• Unknown thickness of concrete throughout the swimming and diving pool complex – creating and/or rectifying live edges.
• Construction of a containment cell in 300mm layers – down to 4m – to achieve the required compaction for pile mat and slabs. Due to contaminated soil, the containment cell was built up and covered in orange geofrabric. This process was repeated with clean fill to ensure compaction over the entire surface area.
• Sequence changes to accommodate the archaeological study allowed the installation of piles to commence as per the agreed works programme. This also led to the management of up to five multiple workfronts.
• HAZMAT (friable and non-friable asbestos) material handling and tracking was completed in strict accordance with ARCP and RAP to ensure nil cross-contamination.

Key achievements of our works programme included:

• Removal of more than 70 trees.
• Onsite crushing of 23,000t of concrete – to 70mm minus and stored for reuse.
• 1,600t of scrap steel recycled.
• Cut and fill of more than 48,000 cubic metres of contaminated spoil – plus 40,000 cubic metres of clean fill.
• 25,000 sqm of pile mat – comprising 300mm sandstone and 100mm crushed concrete.
• 9,000 cubic metres of crane mat – comprising 500mm sandstone and 500mm crushed concrete.
• 700 trimmed piles.
• Detailed excavation of 9,000 cubic metres.
• FRP of 130 footings and 4 lift core bases.