Three Waters Infrastructure

Combining civil construction skills with a comprehensive understanding of the infrastructure of our cities, we provide a range of specialist offerings including biofilter construction, the development of waste water drainage solutions, and both dewatering and sheetpiling services. We employ a collaborative and transparent approach, going to great lengths to ensure all stakeholders understand both their roles, and their responsibilities, within each project we work on. We pride ourselves on our ability to value engineer highly effective solutions, doing everything within our power to ensure our clients never spend more money than they need to.

Hunter Civil

Waste Water Treatment and Drainage

Using our knowledge of wastewater drainage we’ve worked on a variety of projects throughout the South Island, constructing pump stations, drainage reticulation systems and associated structures.

Hunter Civil

Sheetpiling Installation and Hire

Our in-house Chartered Structural Engineers utilise our 24t excavator-mounted sheetpiler and a wide range of quality equipment and resources to complete Lift Station, Pump Station, and Civil Foundation projects.

Projects using Three Waters Infrastructure

Rangiora Aeration Basin

The Contract Works involved the construction of a new earth wastewater treatment aeration basin at the Rangiora Wastewater Treatment Plant (WWTP). The site was an active wastewater treatment plant and the contract works were carried out at the same time as other significant construction works to construct a new inlet pump station and screening channel.

Existing pipelines had to be protected and remain live throughout the period of the contract works. Temporary bypassing pumping and pipework was required to maintain a live network/plant.

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Voelas Rd Inlet

Hunter Civil undertook the upgrade of an old brick barrel inlet structure in Lyttleton. The project invloved delicate excavation around the existing brick barrel, complex formwork to achieve the curved shape for the new inlet, and management of flow into the existing inlet.

The project was completed in 4 weeks, exactly on time and within the client's budget.

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Radcliffe Culvert Extension

 
This project involved the extension of the existing historical culvert while working around live traffic and preserving a historical arch. One of the biggest challenges to this was carrying out work with heavy plant, while maintaining a live road as this was the only heavy haulage route in and out of Lyttleton.
 
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Moore St Pump Station

A new wastewater pump station was constructed in Kaiapoi. The project involved a 5.8m deep, 2.5m wetwell construction in a high water table environment within the Kaiapoi Red Zone. The construction method included an 8m deep sheetpiled cofferdam, wellpoint dewatering, PE pipe welding laying. All of this was done while working around existing services.
 
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Hunter Civil

Mount Cook Sewage Treatment Pond Stage 2

This contract was undertaken by Hunter Civil during winter at the Mt Cook/Aoraki village. Weather conditions (particularly the heavy snow and constant freeze/thaw conditions) made this job very challenging at times. A large dumping of snow mid-way through the project added to the complexity and challenges we faced on the ground.

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Want to know more?

If you’re looking for solutions for civil projects, or would like to know more about us and how we work, give Grant (027 247 1237) a call.

For invoicing/account information please email accounts@huntercivil.co.nz. 

Alternatively you can send us through an enquiry, by completing the online form.

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