Barr is building the 12,000 seat temporary stadium which it will own and rent to the Olympic Delivery Authority for the duration of the 2012 games.
The structure will then be dismantled and hired-out to major sporting events around the world.
Former Olympic Minister Tessa Jowell confirmed today that talks have already been held with officials from Brazil about the basketball arena being used as part of the 2016 Olympics in Rio de Janiero.
The news comes as some of the world’s leading stadium experts are set to visit London next week.
Delegates will include a group of more than 20 from Brazil who will attend the Stadia & Arena conference at the Excel centre.
ODA officials were ordered to trim £27m off the 2012 budget this week as part of the ongoing spending review.
It was confirmed this week that Badminton and Rythmic Gymnastic events will be held at Wembley Arena rather than a purpose-built venue.
For full details of the Stadia & Arena conference visit http://www.sam.uk.com/2010/ExhibitorsSite/Conference.asp