Ask any concrete supplier what causes the most painful disputes, and “water added on site” will be near the top of the list. A truck leaves the plant with a mix that meets spec. It arrives to a busy site, someone wants it wetter, and the next thing you hear is that the test cubes failed and the plant is being blamed.

In the current UK market, "Tier 1" contractors (like Balfour Beatty, Skanska, and Kier) are under immense pressure to meet Environmental, Social, and Governance (ESG) targets. To maintain their own standing, they must prove that 100% of the waste generated on their sites is handled legally and sustainably.