A Victorian businessman was charged over his alleged role in a racket involving hundreds of fake qualifications distributed across Big Build sites.

The Age investigative journalist Nick McKenzie asked 3AW Breakfast hosts Ross Stevenson and Russel Howcroft where workplace health and safety regulator WorkSafe had been during the alleged corruption.

Press PLAY to hear McKenzie detail the new corruption allegations surrounding Big Build sites

“How bad is this issue, where have the authorities been?” he said.

Images: iStock, Nine, @bigbuildvic/Facebook