Permacast supplied a range of specialised precast concrete components for the East Rockingham Wastewater Treatment Plant (ERWWTP), demonstrating our capability in delivering complex, large-scale infrastructure solutions. The scope included 176 curved tank panels and 16 buttress panels, each designed and manufactured to precise specifications to ensure watertight performance and long-term durability.

This project showcased the intricate logistics, advanced engineering, and rigorous quality control required to meet tight construction schedules and achieve seamless on-site assembly. Through precision manufacturing and expert coordination, Permacast’s products played a key role in the successful delivery of this critical wastewater treatment facility, supporting the development of reliable and sustainable water infrastructure for the region.

York Civil

East Rockingham

2014

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• East Rockingham Wastewater Treatment Plant (ERWWTP) – 176 curved tank panels, each weighing 11 tonnes
• East Rockingham Wastewater Treatment Plant (ERWWTP) – 16 buttress panels, each weighing 18 tonnes
• Onslow Project – 56 curved tank panels, each weighing 19.2 tonnes

• Fabrication carried out under tight construction schedules to meet project deadlines.
• Panels transported over long distances, including deliveries of up to 1,400 km to Onslow.
• Detailed joint designs provided to ensure leak-proof connections during on-site assembly.
• Panels stored strategically for just-in-time delivery to the site.
• Stainless steel access units cast directly into each tank for durability and accessibility.
• Value-added services included vertical post-tensioning completed on-site at the Permacast yard by Structural Systems.
• S50 high-specification concrete used to meet stringent standards for potable water applications.