Ahhhh figured it out, what a bad ass map, sooo much nostalgia haha. Was thinking about doing a walkthrough for the EE's, but wanted to get your 2 cents on that first. If you frown upon that sort of thing I wont do it.

Hey man, me and my bud play tons of mods and this has been one of the best we have ever played. Just wanted to say thanks a ton.
Also, I've figured out most of the EE's except for the freaking welding one. Any hints besides the one you already posted?