"ASSAULT" mode?anyone?

i just though of a mode where GR would be in a fortress and BL will have to attack the fortress. The fortress will have 3 levels of defense. The first one will be a gate( like the one in "escape" but bigger with more HP) and it will have a couple of tower to defend the gate. BL will spawn behind a couple of big rocks( nade can't attain there) and they will have to shoot the big gate. When the gate will be destroyed, the GR will change spawn place and now, they will have to protect a steel door and the only way to open it is to hack 3 computers. So now, the BL will spawn into the fortress and will have to hack the computers. After that, the last level of defense will be an underground defense and the BL will have to pass right through it to kill the captain.This mod is called "Assault"
the idea came from the game "timesplitters future perfect"


http://www.youtube.com/watch?v=eWZhJHdw-8c

and i added something, a time limit. the first team to play as BL will have a 15 minutes limit and after they finished their mission the team will switch( BL become GR and GR will become BL) and now, they will have to do it within the time the other team did or better( by example: the BL did it in 7 minutes and then the team switch, now the new BL with have 7 minutes too)
sorry if it's hard to understand, i did my best to explain.