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Little Paxton (Aggregates Industries)

Little Paxton Quarry, part of Aggregates Industries has been given a new lease of life thanks to the installation of a CDE wet processing plant.




Claybound Aggregates, Limestone, Crushed Rock, Sand & Gravel


3 Sands | 4 Aggregates | +90mm Oversize

End Use
Concrete Production
Decorative Stone


Aggregate Industries, a leading building materials and solutions company with more than 300 sites across the UK, has brought dormant Little Paxton quarry back to life with a CDE wet processing solution installed in partnership with Aggregate Processing Solutions (APS). 

Holding the Responsible Source™ certification, Aggregate Industries was committed to developing the Little Paxton quarry according to strict environmental guidelines as the site is adjacent to Paxton Pits, a Local Nature Reserve (LNR) and a Site of Special Scientific Interest (SSSI). The quarry had been mothballed for six years and Aggregates Industries, through APS, identified CDE as its supplier of choice to maximise the site’s materials production potential.

As Aggregate Industries originally did not have an extension planning permission, the company opted to lease rather than purchase a wet processing plant, which it needed to be designed to very specific requirements. Aggregates Industries’ 10-year partner APS, which sells, contracts and hires processing equipment, was able to recommend CDE as the only company that could develop a fully bespoke, high-efficiency wet processing solution for Little Paxton. CDE would provide the technical solution and the equipment, which would be installed and operated on site by APS on a price-per-tonne basis.

With a 180 tonne-per-hour feed rate, Aggregate Industries wanted to produce a mixture of aggregates and sands for the construction industry, with the option to blend 20mm, 10mm and 6mm products into a 20-5mm product.



CDE’s design and technical engineers, in collaboration with Aggregates Industries, successfully co-created a tailor-made solution that would deal with clay contamination in the raw sand and gravel feed, whilst addressing requirements for a specific layout to match the site’s footprint - as well as height, colour and noise restrictions. CDE designed a bespoke modular solution to achieve this objective, with the option to further enhance production requirements at a later stage.

To tackle the clay contamination in the raw feed, Aggregate Industries opted for a complete CDE solution comprising an AggMaxTM 252SR logwasher performing at optimal efficiency thanks to the inclusion of a ProGrade twin deck washing screen, a transfer conveyor and an EvoWashTM triple cyclone sand washing unit. These are completed by six stockpilers, a ProGrade rinsing deck, sizing screens and a Trackstack stockpiling unit. A tracked radial conveyor supplied by APS was added to the installation to allow more flexibility on site. 

“Whilst making a decision on the plant for Little Paxton, APS and CDE were able to offer a solution to some of our specific requirements we had for the site. This included product blending and stocking capacity, as well as solutions to make the operation and maintenance of the plant easier in the long term. The ability of CDE to meet these requirements and offer practical solutions is a major contributing factor to Aggregate Industries ultimately purchasing the plant."
Matthew Sharpe, Quarry Operations Manager at Aggregate Industries


Once the plant was completed and tested at CDE’s assembly facilities, APS took delivery of it to install and operate it for Aggregates Industries.

With a 180 tonne-per-hour feed rate from the customer’s existing overland conveyor, the Little Paxton quarry now produces +90mm oversize rinsed product, 20-90mm / 20mm / 10mm / 6mm scrubbed product, concrete sand and building sand, as well as soft and sharp sand, with an option to blend 20, 10 and 6mm grades into a 20-5mm product. These are sent to market to be used mainly in concrete applications but are also sold to the decorative aggregates market across a range of regions including Scotland.

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