Water Treatment Archives

Residential Development Dewatering & Water Treatment – Calderwood, NSW

Building on the success of long-term dewatering and water treatment works in the Illawarra region, National Pump & Energy (NPE) was engaged to support residential development activities at Calderwood, NSW. The project presented an opportunity to deliver reliable and compliant water management solutions across a 4 km stretch of challenging terrain, including wetlands and natural…

Onsite Ammonia Treatment and Discharge Enablement – Newcastle

National Pump & Energy (NPE) were engaged to address elevated ammonia levels in a client’s storm water retention pond after several significant rain events. The ponds were at capacity and needed treatment prior to being able to discharge offsite. Supplementing the customers ongoing existing efforts, NPE designed and delivered an onsite water treatment system to…

Stormwater discharge point with flow meter installed for compliance monitoring.

Royal Far West Manly Dewatering

NPE was awarded a dewatering and water treatment project to facilitate construction activities. To manage this project effectively, the temporary groundwater level beneath the basement has been set to 1.0 m below the proposed bulk excavation level, resulting in a level of 3.0 m during the excavation and dewatering processes. Maintaining this lowered groundwater level…

PFAS Treatment Perth, WA

The treatment process begins with a dewatering system that extracts groundwater for processing. The influent is conveyed through the plant, where it undergoes a series of steps to reduce soluble metals and trace levels of Per- and Polyfluoroalkyl Substances (PFAS). Water first passes through the Chemical Dosing Unit, where selected chemicals and coagulants are added…

West Dapto Dewatering & Water Treatment NSW

NPE is supporting critical sewer and water infrastructure works at West Dapto, the fastest-growing residential area in NSW outside Sydney, where 19,000 new homes are planned. The project includes over 9km of gravity sewer main (via open trenching and microtunnelling), 700m of rising main with 400m of HDD, a pump station upgrade, and nearly…

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…

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…

Dewatering for the construction of an apartment complex in Sydney, NSW

NPE maintains a large and diversified range of high-end pumping, power generation and associated equipment for hire or sale to suit any requirement. Committed to sourcing the world’s best equipment brands, NPE delivers the best-performing, safest and most reliable gear for your site. NPE doesn’t just deliver a piece of equipment, we work with our…

Dewatering & Water Treatment, South Perth WA

NPE were engaged by PACT Construction for the Dewatering, Water Treatment & Environmental scope for the development of Riviere Luxury Residence in Applecross. Several large footing foundations and multiple general excavations will require dewatering for the first stage of the project. With limited dewatering discharge options available in the area, discharge to the Swan River…

PFAS Treatment, Nelson Bay NSW

NPE were engaged by Rockform Developments to provide a complete groundwater dewatering, water treatment & environmental monitoring solution to facilitate the construction of a 9-storey mixed use building overlaying a two-level basement car park. The water treatment system needed to successfully remove PFAS, hydrocarbons, high levels of iron, dissolved metals, and other co-contaminants from the…