Study existing literature. http://en.wikipedia.org/wiki/Bent_Flyvbjerg this guy got a lot of good press in germany, apparently he has written extensively on big infrastructure projects and cost overruns. I find Megaprojects and Risk: An Anatomy of Ambition
Study existing literature. http://en.wikipedia.org/wiki/Bent_Flyvbjerg this guy got a lot of good press in germany, apparently he has written extensively on big infrastructure projects and cost overruns. I find Megaprojects and Risk: An Anatomy of Ambition