Project Spotlight
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…
Read MoreWater 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.…
Read MoreMcArthur 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…
Read MoreWater 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…
Read MoreDewatering 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…
Read MoreMosaic 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…
Read MoreScarborough Beach Stormwater Drainage Refurbishment
The Brighton Beach Scarborough site underwent refurbishment of its stormwater drainage outfall network to enhance water management into the Indian Ocean. This case study highlights the project components, encountered challenges, and implemented solutions. Originally a two-week project, the timeline extended due to design amendments from the principal client, resulting in additional planning adjustments. A Dewatering…
Read MoreDewatering Solution for NewCo Feed Mill in Bullsbrook, WA
NPE were engaged by Builden to provide a dewatering solution for the NewCo Feed Mill in Bullsbrook. NPE used baseline samples from our freshly installed monitoring wells to develop a Dewatering Management Plan and obtain all relevant licences. Wellpoint spears were installed to dewater 3 deep pits with the dewatering effluent passing through a Chemical…
Read MoreNPE Bypass Solutions for Sewerage System Upgrades in Geelong Victoria
A need for NPE bypass solutions arose due to essential maintenance and upgrades of the sewerage system in the Geelong region. NPE was responsible for designing, supplying, installing, and maintaining five bypasses in Geelong West, Geelong South, and Breakwater to facilitate the upgrade works. These bypasses featured a variety of setups, such as submersible pumps…
Read MoreNSW TCM Bypass
NPE was engaged in providing a temporary works proposal that details the operating strategy and management of the sewer bypass works for the HB01 Wastewater pump station in Killcare. NPE utilised the latest telemetry options and control functions and supplied online logins to the client. 3 x electric submersibles located within the collection manhole that…
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