Examples of Alkali-Silica Reactivity
By Stephen Cook
THE COMPANY at the centre of a concrete cancer cover-up hired private investigators to find out who was behind an anonymous flier calling for industry-wide action over the problem.
The move is the latest in a public relations offensive aimed at hushing up a potential multimillion dollar scandal which threatens dozens of building projects around the country along with the ongoing credibility of one of New Zealandâ€™s largest cement companies.
The company at the centre of the concrete cancer controversy is Drymix, who control about five-percent of the $400 million-a-year cement market and through Mitre 10 supply the domestic market with the highly-popular â€˜Super Easy Mix In the Bagâ€™ range of cement products.
In January, February and March this year, Drymix imported tens of thousands of tonnes of cement which, according to their own test samples, failed to meet recognised industry standards.
The suspect cement â€“ which has a higher than accepted alkali content – has since been used in hundreds of building projects right across the country, including the $40 million Manukau District Court upgrade.
However rather than alert their customers to the issue, Drymix instead hired private investigators to find out who was behind an anonymous flier demanding industry-wide action over the problem. Â Read more »