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Stevenson Aggregates (Drury) – Water Treatment

About the Customer

Stevenson offers aggregate solutions for commercial, infrastructure and residential use. This includes roading, drainage, sand, concrete, and other specialised products for use in landscaping, construction and infrastructure.


Stevenson Aggregates needed a new unit to handle storm water, truck wash waste water and the aggregate plant process water which was increasing as a result of plant upgrades.


Stevenson Aggregates sought to replace their twin LT-100 Lamella waste water treatment plants with a single LT-500 unit. The new unit also has spare capacity for ‘future proofing” should extra process water be added in the future.

The LT-500 with a capacity to handle 500m3/hr of wastewater was chosen and with an imposing footprint the challenge to manufacture and install was undertaken. Included was a full PLC control unit giving automated control for chemical dosing and measuring of the solids content of the infeed and the turbidity of the clean water.

Why was MIMICO chosen for the job?

MIMICO is a long-term partner of Stevenson, and has a strong history with the Lamella incline plate settler, used for clarifying process wash water.  Our history with Lamella water clarifiers allowed us to successfully install and commission a LT-500 unit.

Project Highlights

  • Installation was achieved with-in a tight timeline to coincide with the new process plant start-up and the increase in process water.
  • Full Programmable Logic Controller (PLC) included for automated control.
  • The upgrade included the supply of a new Metso VS200 L150 slurry pump to feed the slurry to the LT-500.
  • All pipe work designed and installed for seamless transition from the existing LT-100’s to the new LT-500.

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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