"exceptionally poor planning" is common in big projects like this. As soon as the design/planning teams gets big enough that there are many people who barely k

"exceptionally poor planning" is common in big projects like this. As soon as the design/planning teams gets big enough that there are many people who barely know eachother, they start competing to the detriment of the whole... Nobody wants their part late/over budget, so they do things to screw other parts of the project just so their part isn't late or over budget.