LOL!
I think DD would be in a category on its own.
*chuckle*
The mapping is slow due to having to learn most of the editor proggy's functions and commands on the fly.
The next portion in the map calls for twin elevators.
The way to create functioning elevators in the game is somewhat beyond me at the moment.
http://doom3.enterthegame.com/
Here is your Doom3 site with message boards, chat, and other information.
Amazing what Google will find for a search on "Doom Functioning Elevators".