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Our Work

Over the last 30 years Filtec is proud to have been involved in the design, building and maintaining of treatment infrastructure for every New Zealand municipality, as well many of New Zealand’s largest industries. Over this time, we have built a depth of knowledge and library of designs that enable our clients to reduce the risk associated in the creation of new treatment assets.

Over the last five years, FILTEC’s Engineered Systems and Project Division has invested heavily in capital equipment and employee development to better service the demand for fully integrated project capabilities. We have expanded both our onsite and offsite fabrication facilities to build and install fully engineered systems to meet any process requirements.

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This project involved the design and construction of a 2,000 m³/d Water Treatment Plant (WTP) for the Ohakea Rural Water Scheme. Manawatu District Council required the new WTP due to rapid growth of Sanson.
Due to the rapid growth of the Kinloch wastewater treatment plant required significant upgrades, including the conversion of their existing Sequencing Batch Reactor (SBR) system to a Membrane Bioreactor.
Providing safe drinking water is Hasting District Council’s number one priority. Therefore, the council required water treatment systems upgrades that could provide safe and quality drinking water for the smaller communities that are not connected to the water main network.
North East Water (NEW) operates 21 water treatment facilities to provide drinking water to over 100,000 people in across north east Victoria, Australia. Wangaratta is a town located at the intersection of the Ovens and King rivers, creating a catchment for the north-western slopes of the Victorian Alps.
Following a site expansion, a dairy site in the Southland region needed to upgrade their wastewater treatment (WWTP) plant to achieve higher quality treatment with increased discharge volumes of dairy plant effluent.
Cambridge is growing – and fast. The current population of around 19,000 is expected to be home to an additional 14,000 by 2050 putting the existing Karapiro water treatment plant (WTP) under enormous pressure and in need of an upgrade.
A town in the northern region of Auckland sourced water from the local river meaning it could be insecure. In an event of heavy rain, sediment in the river can increase by 3000 percent putting pressure on the existing water treatment plant.
Wellington Water is ensuring the region is very well prepared to meet the critical water supply needs of all Wellingtonians in the event of a major earthquake or other civil emergency that damages water supplies.
FILTEC have been working alongside Matamata-Piako District on the renewal of 12 gravity filters across three sites in Matamata, Te Aroha and Morrinsville.
FILTEC was contracted to design and build a Water Treatment Plant for a large dairy site in Victoria, Australia. The source water was a shallow surface water catchment known as channel water.
Water is a vital part of the dairy manufacturing process; it is required from the start of production and dairy effluent needs to be filtered out from the processed water before it is released back to the local effluent system.
The aim of this project was to design, build and commission a fully operational and complete water treatment system to provide potable Water and demineralised water from a bore water source. The supplied drinking water had to meet all current NZ DWS requirements.
This project involved the supply, installation and commissioning of a Demineralised water plant for boiler feed water, Chlorination system for superchlorinated water and associated pipework and pumping for demin water, chlorinated bore water and chlorinated process RO water.
This project was a design-build of the water treatment systems necessary for Fonterra’s new Darfield plant to provide denitrified potable water. The whole treatment process required Ion exchange for boiler water supply, denitrification for process water and Chlorine gas disinfection for potable water.
Plant Design and Build, where the FILTEC had total responsibility for supply, installation and commissioning to provide a fully functioning water treatment system for process and boiler feed water. Due to this the water quality had to be of high quality to meet the downstream requirements.


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