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Horokiwi Quarries Ltd – Waste Water Treatment Plant

About the Customer

Horokiwi Quarries Ltd is a premier supplier of quality aggregates to the Wellington region from their quarry located off State Highway 2 between Petone and Wellington.

The quarry produces a wide range of products to ensure customer satisfaction and meet product specification. Products range from specialty sands for the concrete and asphalt industries, basecourse and sealing chip for roading, and builders mix and drainage metal for the home handyman.


Horokiwi Quarries needed an upgrade to their existing installation to increase water treatment capacity.


Horokiwi Quarries commissioned MIMICO to supply and install a LT-500 Lamella water clarifier.

This was the initial stage in an approach to also upgrade their sand washing process and the handling of waste water on site.

With an existing network of equipment for the holding of the sludge and clean water MIMICO Engineering accepted the challenge used 3D design to facilitate the full integration of the new LT-500 into the process.

Why was MIMICO chosen for the job?

MIMICO brought experience and expertise to this project, along with a level of trust built up over years of working with Horokiwi Quarries. Our history with Lamella water clarifiers allowed us to successfully install and commission a LT-500 unit.

Project Highlights

  • Programmable Logic Control (PLC) included for automated process control of chemical dosing.
  • Full 3D design to facilitate the integration of the LT-500 with existing equipment on site.
  • High specification paint specification finish to withstand environmental conditions.
  • Additional capacity for future process plant upgrades.

Contact Our Team

MIMICO’s Crushing and Screening Engineering team is equipped with extensive expertise and experience in the industry to answer all your needs.

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Metso Outotec Screener being serviced


Equipping Your Success Since 1989

For over three decades what has set MIMICO apart from our competitors is our desire to deliver outstanding service to support the equipment we supply. In doing so we develop long standing relationships with our customers.

Crushing and Screening Applications

Industry Insights

Garth Taylor

Crushing and Screening Business Manager

“Our clients trust in our technical advice to efficiently produce their aggregate. We achieve this through our technical expertise backed by the reliability of a world leading equipment and MIMICOs proven ability to design and support small to large scale crushing and screening solutions.”

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