Dreamcutter Technology

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A sustainable solution for underground infrastructure

Page last modified
October 31 2023

The world is urbanizing every minute. The pressure on our cities is increasing. Urbanized regions worldwide are faced with the important task of absorbing this population growth.
However much of the available space is already taken up by above-ground structures, and the nuisance created by traditional construction methods becomes increasingly difficult to justify.
To provide an answer, Denys is investing heavily in what we like to call Dreamcutter-technology. We entered into a strategic cooperation with Bauer Maschinen GmbH, and together we developed the first machine. The Dreamcutter/Cube system, a machine that will change inner-city building forever.


Subterranean building with minimum impact
Increased safety
Fully electric
Proven Bauer technology
Build underground infrastructure where previously not possible
Water table needs to be 1.5m below access tunnel


Technology The Dreamcutter uses a slurry wall system based upon the hydrocutter technology of Bauer to create slurry walls out of underground low headroom spaces.
Dimensions The machine with a size of 2,9 x 2,4 x 18 m (h x w x l) is built out of four high cube containers. Walls of up to 40 m depth and 1 m width can be created using this system.
Access needed The machine can operate from e.g. a micro tunnel of 4 m diameter,or any other low headroom space. On the surface an access shaft of only 6 x 8 m is needed, which highly reduces the above ground impact.
Areas of Application Construction of Subterranean floor levels

Relative Business Impact


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Technology Readiness Level


Development Technology demonstration Mature / Proven
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Over the last ten years Denys has evolved into an international group with 1800 employees. Denys strives for organic growth. Our growth model is based on three pillars: diversification, innovation and internationalization. In addition, we are not shy of forming constructive partnerships in public-private ventures, where the responsibility of the contractor is much greater. Denys has also been active for decades in the private market as a benchmark for reliability.

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