[@jorcool] I like what you're planning there bro. Its interesting to see how your capable but, under supplied nation fare in the new world as you would essentially have the means to build and make your own products but, in the start would be underpowered due to not having much in the means of weaponry and supplies at the beginning. Also I liked the idea of bringing our own creatures and plants to the new world as it would take alot of time to actually determine what is safe and won't make you sick at first. 

Though, there is something I want to clear up, because I don't think the UNE would take too kindly to allow someone have that much stockpile of uranium at first. But, I could see them allowing pre-fabricated small modular reactors with you, with enough uranium to power to run several homes and a your several facilities for a few months before it runs out. Of course the gate would not be close as there are certainly more people in the old world that haven't been evacuated to the new world. So if you need more valuable supplies or people you can easily go back to loot and such. 

As always if you have an idea to solve this in a way you are more comfortable I am open to hear it.