'De Vernufteling' – the most prestigious Dutch award for innovative engineering – was presented to Iv-Groep at a presentation ceremony in Hilversum's Mediapark on Wednesday, 10 June 2009.

The award is an initiative of professional body KIVI NIRIA, technology magazine 'De Ingenieur' and industry association ONRI. The public chose the unique 'Rotating Tower' as the most ingenious project.

People were able to vote online for their favourite project for one week. Director Arie Lanser accepted the award on behalf of Iv-Consult.