This project required coordination with Qantas and Sydney Airport Corporation Limited (SACL) to ensure the existing operations at Terminal 3 and the Qantas Jet Base remained unaffected.

Summary of works:

• Demolition of existing heavy-duty pavement.
• Earthworks to subgrade level and disposal of spoil classified as excavated natural material (ENM).
• Design, supply and installation of sacrificial sheet piles with horizontal bracing.
• Installation of a dewatering system which included with six inch pumps, well points, sedimentation tank for pits and stormwater pipes.
• Install stormwater infrastructure including stormwater pipes, cast in situ pits and ACO Powerdrain S300K grated drain.
• Construction of floodlight footings and associated duct bank infrastructure.
• Construction of heavy-duty pavement consisting of a lean mix concrete subbase layer and a PCC flexural concrete layer.
• Joint sealing works.

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Summary of works:

• Site establishment with the provision of safe work access including pedestrian and vehicle control measures.
• Protection of existing gardens (outside the work zone), building and facade elements.
• Temporary water tank to use whilst the new one was being built.
• Bulk excavation around the existing tank.
• Demolish existing roof and central column.
• Clean and prepare existing tank walls and floor slab including exposing any remaining reinforcement from the existing structure and apply reinforcement protection.
• Extend plumbing inlets and outlets through the new walls and slabs.
• Erect all formwork associated with the construction of the walls, new central column and roof slab allowing for all manholes, grates and covers.
• Place steel reinforcement and pour concrete.
• Backfilling around the perimeter of new tank.
• Waterproofing of tank internals.
• Undertake all testing and commissioning of the new equipment, pumps, filters and electrical circuits.

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Summary of works: 

• Preparation of traffic control plans (TCPs).
• Site preparation including locating and isolating existing service.
• Traffic management.
• Demolition and excavation of existing concrete median.
• Construction of new pedestrian refuge.
• Construction of new concrete kerb and pram ramp.
• Erection of RTA Type 1 pedestrian fencing.
• Installation of bicycle hold bars and signs.
• Landscaping works.
• Linemarking.

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