Broadbeach Dewatering & Water Treatment QLD

Iris Built has undertaken to build a monumental construction project on Broadbeach, Victoria & Albert. As part of this, the project required a 6 level basement over 4385square meters in size. The lowest excavation will be 20m below sea level (-20mAHD). Currently the excavation is to the 6th basement level and the remaining lift pits…

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Alkimos Seawater Desalination Plant Perth NPE

Alkimos Seawater Desalination Plant Perth, WA

The Alkimos Seawater Desalination Plant (ASDP) – Stage 1 is a major infrastructure initiative aimed at delivering 50 gigalitres per annum of desalinated seawater to Perth’s Integrated Water Supply Scheme, with provision for future expansion to 100 GL per annum. The project also includes treatment of approximately 4.9 GL/year of groundwater and is being delivered…

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Sewer Bypass of Naracoorte WWTP. Naracoorte SA

NPE were engaged to bypass the entire inflow to the Naracoorte WWTP whilst the clients existing Pump and Power infrastructure was being upgraded. Pumps capable of bypassing up to approximately 150 l/sec for stormwater ingress scenario. The NPE Telemetry Team assisted in setting up 24/7 monitoring and communication of all installations, allowing the NPE Adelaide…

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Dewatering Rustlers Roost

NPE Darwin offering dewatering packages in preparation for the 3 billion litres of water that will hit the top end this wet season. Mount Bundy Creek, Northern Territory our NPE Darwin expert team manages and maintains two pit dewatering packages. Our packages include submersible floats, silent generators, fuel cells with ongoing refuelling, and telemetry, which…

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GEMCO Haul Road Civil Works

Project Spotlight – Angurugu Bridge Rebuild Groote Eylandt NPE was proud to support SEE Civil and South32 (GEMCO) on the critical Northern Haul Road Bridge Rebuild over Angurugu Creek, following the destruction caused by Tropical Cyclone Megan in March 2024. As part of the recovery effort, restoring this key piece of infrastructure was essential for…

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Sewer Bypass, Victoria

NPE was engaged by our client to design and deliver a reliable sewer bypass system with a duty capacity of 50 litres per second at 60 metres head, complete with 100% redundancy. The system was configured to extract from two sewer manholes and discharge into an existing rising main. To ensure continuous performance monitoring and…

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Water Main Installation in the Town of Bassendean

DM Civil engaged NPE for the installation of approximately 90 meters of new water main in the Town of Bassendean, a project that required extensive dewatering, water treatment, and environmental management. The work involved tunnelling a sleeve from Ashfield Reserve under an existing rail line and two busy main roads, ultimately emerging at Railway Parade.…

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McArthur River Mine Dewatering, NT

The McArthur River Mine, located on one of the world’s largest zinc and lead deposits, is located 970 kilometres southeast of Darwin. In late March, the site was heavily impacted by Tropical Cyclone Megan, which brought approximately 350 mm of rain in 48 hours, causing significant disruption to mining operations. NPE was engaged to manage…

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Water Seepage Management Solution

NPE’s client recognised the need for a robust water seepage management system to mitigate potential flood risks to the Wedgefield industrial area. This requirement emerged alongside the dredging works, which were expected to raise water levels in the Dredge Material Management Areas, thereby increasing groundwater levels due to seepage. NPE was engaged to provide a…

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Dewatering for the Repair of Leaking Serpentine Trunk Water Mains

In early 2025, the urgent repair of the Serpentine trunk water mains prompted implementing a specialised dewatering strategy. The project was initiated due to reported leaks in the water mains, which required significant excavation work to rectify. The project was bounded by the requirement to minimise disruption to the surrounding environment and infrastructure while ensuring effective groundwater…

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