Civil Dewatering
Creek Bypass & Dewatering Success at Mullet Creek
When D4C began infrastructure works at Mullet Creek, they faced complex water management challenges including maintaining creek flow, controlling groundwater seepage, and meeting strict environmental requirements. National Pump & Energy (NPE) delivered a complete creek bypass and dewatering solution, deploying high-capacity pumps with remote telemetry, sediment control systems, and backup capacity for rain events. …
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Wellpoint Dewatering System Rottnest Island
Compact Wellpoint Dewatering System Delivered for Rottnest Island WWPS Project NPE recently delivered a compact wellpoint dewatering system for a Type 10 Wastewater Pump Station (WWPS) on Rottnest Island, Western Australia. With groundwater levels approximately 2.4 metres above the base level, the project demanded a dependable solution to maintain dry excavation conditions. Demonstrating our capability…
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EnviroPacific: Former PDP2 Oily Wastewater Pond Remediation
NPE was contracted to undertake the design, installation and operation of the dewatering system for this project. The NPE inhouse Civil Construction Engineering team completed this work then ensured that the design was compliant with the external regulatory requirements. A highly skilled team of 6 were utilised to install the dewatering systems onsite over the…
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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, 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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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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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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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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Mosaic Parkside Subdivision Dewatering WA
Bos Civil is currently undertaking the Mosaic Parkside Subdivision, Stage 1 project in Balcatta. This involves deep excavation and service installation. With the primary challenge of groundwater, extensive dewatering is required due to the depth of the excavations. To address this, the NPE team have installed doublesided Wellpoint systems to lower groundwater levels and localised…
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