Central Coast Council – Rivers Construction

CPA/2043 Design and Construction of SPS G6B Sewage Pumping Station & Gravity Sewer

This project involved the design and construction of a major new wastewater pumping and conveyance system at Gosford City Park, including a high-capacity sewage pumping station capable of pumping up to 230 L/s and approximately 160 m of DN525 gravity sewer connecting to the broader network. Key assets delivered included a new sewage pumping station, […]

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CPA-5492 Wyong South Treatment Works before work starts

CPA/5492 – Wyong South Effluent Disposal

$2m - $5m

This project delivered a major upgrade to the Wyong South Sewage Treatment Plant effluent disposal system, enhancing the reliability and operational performance of the Toukley Effluent Disposal Scheme and reducing the risk of wet-weather overflows to balance ponds. Key assets delivered included two new 375 kW high-capacity effluent disposal pumps, new stainless steel DN600 knife

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CPA 6025 WWTW Desludging Oxidisation Tanks

CPA/6025 Woy Woy Treatment Works – Desludging Oxidisation Tanks

$1m - $2m

This project involved the desludging of multiple oxidation tanks at a major wastewater treatment facility, including sludge removal, dewatering, handling and disposal operations to restore treatment capacity and support ongoing plant performance. Key deliverables included the management of substantial sludge volumes, preparation of designated bunded processing areas, bathymetric surveying, and associated environmental and operational controls

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CPA/2291 Toukley SPS TO01, 06 & 09 Refurbishments

>$5m, Design and Construct, Wet Well

This project delivered the design and refurbishment of three sewage pumping stations, incorporating structural, mechanical and electrical upgrades to extend asset life, improve operational reliability and increase network capacity. Major deliverables included major refurbishment of wet wells, replacement of pumps and associated pipework, construction of new valve chambers, upgrades to power supply, switch rooms and

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CPA/3616 Sewer Rising Main Replacement for SPS G8 & G9

>$5m, Rising Main

This project delivered more than 1.6 km of new sewer rising main infrastructure between Gosford and Wyoming, including DN300 PVCO, DN355 PE and steel pipelines, a new gravity sewer connection, a barometric loop, and a new aqueduct piled foundation crossing of Brady’s Creek. The works also included major upgrades to the sewage pumping stations, incorporating

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Mardi WTP Lagoon Desludging

$1m - $2m

Desludging and rehabilitation of a 37 ML treatment lagoon, including the excavation, drying, handling and off-site disposal of up to 28,000 m³ of water treatment residuals to prepare the facility for a major treatment plant upgrade. Key deliverables included construction of access ramps and drying beds, lagoon dewatering, sludge processing and haulage operations, surface water

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Mardi Water Treatment Plant – Lagoon Embankment Stabilisation

$1m - $2m

Stabilisation and rehabilitation of a major water treatment plant sludge lagoon embankment, including large-scale earthworks, engineered fill placement and compaction, batter reconstruction, erosion control measures, and revegetation to restore long-term embankment integrity and performance. Deliverables included a realigned drainage channel, new embankment drainage systems, a reconstructed access road and road embankment, relocated fencing, and associated

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Woy Woy Major Bypass Pit

Design and Construct, Rising Main, Under $1m

This project involved the design and construction of a new bypass pit at the Woy Woy Major Sewage Pumping Station in Railway Street, a critical regional wastewater asset servicing numerous upstream catchments across the Peninsula. Major deliverables included a reinforced concrete bypass pit, large-diameter DN883 and DN300 bypass pipework, gate and reflux valves, stainless steel

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SI2 Sewer PS upgrade plus Gravity and Rising Sewer Main

SI2 Sewer Pump Station Upgrade, Gravity Sewer and Rising Main

$1m - $2m, Gravity Main, Rising Main

Project involved the construction of the new DN450 diameter polypropylene gravity sewer main and a new DN375 rising main using glass reinforced plastic, ductile iron and polypropylene pipe.

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SPS WG3 Upgrade

Gravity Main, Rising Main, Under $1m

Refurbishment of an existing sewer pumping station at West Gosford, modifications to the collection inlet chamber, control building modifications, large sewer bypass including constructing a new bypass point in the existing rising main and hardstand works.

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