Gleeson Quarries Tipperary Maximise Efficiencies by Washing Crusher Dust Stockpiles

CDE Global hosted visitors from throughout Great Britain at an open day in County Tipperary to witness first hand the M2500 mobile washing plant in operation.

The event was hosted at Gleeson Quarries near Laffansbridge, County Tipperary where a CDE washing plant is processing waste material from the dry crushing and screening process to produce washed sand and aggregates. “The material we are washing at Gleeson Quarries was previously being stockpiled as a waste material as a result of the inherent levels of silts and clays” explains Eunan Kelly, CDE Sales Manager for Ireland. “The washing plant we have installed is ensuring that this waste material is being effectively processed to create commercial grade sand and aggregates.”

The Gleeson family has been involved in the construction materials market for almost 50 years. Sister companies, Gleeson Concrete based in Tipperary town, produces readymix concrete, concrete blocks, sand and gravel, while Gleeson Precast based in Golden produces precast concrete floors. The second generation of the Gleeson family currently manages these operations.

Gleeson Quarries produce a wide variety of aggregates for the construction sector. Concrete blocks have been manufactured on site since 2001 and readymix concrete has been produced on site since 1990. Gleeson Quarries is one of the leading suppliers of Clause 804 and Clause 810 road materials to the local authorities for the many road building and improvement schemes that have taken place in the local area in recent years.

The washing plant includes the M2500 mobile washing plant, Aggmax attrition system and Aquacycle thickener to ensure more than 80% of the water used in the washing process is recycled, thus minimising the amount of space required on site to accommodate settling ponds.

The M2500 had its official launch at the Bauma 2010 exhibition in Munich earlier this year and integrates a feed system with a Prograde P2-75 double deck rinsing screen and Evowash 71 sand washing plant. The M2500 has a total capacity of 250 tons per hour and will produce 70 tons per hour of a single washed sand to the required specification. In this instance Gleeson Quarries required a concrete sand for use in their on site concrete batching plant. There are a number of other models available within the M2500 range allowing up to 120 tons per hour of single or dual sand production if required.

“At a time when operators are focused more than ever on maximising efficiencies within their sand and aggregate processing operations, our plant at Gleeson Quarries provides evidence that there are significant opportunities to be taken advantage of with the processing of waste stockpiles” explains Terry Ashby, CDE General Manager in Great Britain. “We have numerous plants in operation throughout the world doing this very same job and it is always the case that considerable volumes of quality sand and aggregates can be recovered when the right system is employed.”

The washing plant at Gleeson Quarries has been in operation for 5 months and has processed approximately 100,000 tons of material that was previously a waste product. This material was taking up valuable space on site at Gleeson Quarries before installation of the washing plant from CDE Global. In addition, the customer was missing out on a significant revenue opportunity that could be realised through the introduction of an effective washing plant. The CDE sand and aggregate washing plant at Gleeson Quarries has addressed both of these issues and resulted in the customer being able to maximise returns from their extraction processes.

A full project case study is available by contacting CDE Global on +44 28 8676 7900 or by email at

You can also visit their web site at

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