I hope there were clauses in the contract so the government gets half its investment back, for what its worth.
Have you seen public sector contracts? there are never penalties for the suppliers. Metronet debacle anyone? What about the inflated costs of the Olympics, don't you think there were contracts in the first place there? What was the result? Just ended up overpaying 3x to get it done.
The gov is not going to get anything back, because they don't care, it's not their money, they just want to get the job done and get the credit for saving the day (and some directorship on the board of G4S later on..).
I was thinking along the lines of if you wanted to sneak something in it couldn't cost you much if they are getting paid that little