Earthworks
Holbrook, NSW
Mamalis Earthmoving
Industry
Material
FlipScreen Model
Location
01 / Challenge
Mamalis Earthmoving undertakes demolition and site preparation across regional New South Wales, frequently working on farm structures, industrial sheds and ageing concrete foundations. These projects generate large volumes of mixed rubble including concrete slabs, brickwork, compacted road base and soil. Traditionally this material would be loaded into trucks and hauled away for disposal while fresh aggregate was later brought back in for site preparation and construction. The process was costly and time consuming, particularly on regional jobs where disposal facilities could be hours away. The crew recognised that much of the demolished material still contained usable aggregate if it could be separated efficiently from the finer spoil.
02 / Solution
Mamalis Earthmoving began running a FlipScreen E80 on one of its primary excavators during demolition works. Instead of stockpiling rubble, the crew screened material as it was removed from the structure. The rotating screening bucket allowed smaller soil and fines to pass through while larger pieces of crushed concrete and rock remained separated. By selecting different mesh sizes, the team could produce a consistent grade of fill suitable for rebuilding access tracks, levelling building pads or stabilising soft ground around the site. Because the FlipScreen operates as part of the excavator’s normal workflow, screening became an integrated step in the demolition process rather than a separate activity.
03 / Result
The change had an immediate impact on project costs. Large portions of demolition rubble could now be processed and reused directly within the same job, dramatically reducing the number of truckloads leaving the site. In several projects, the recovered aggregate was sufficient to complete backfilling and site levelling without purchasing additional material. This significantly lowered transport expenses and disposal fees. The crew also found that screening during demolition helped keep the site organised, with cleaner material stockpiled for reuse rather than mixed piles of rubble. In some cases, overall material handling costs were reduced by nearly half, giving Mamalis Earthmoving a strong advantage when pricing future demolition work.