Help with forge?

So i am making a map in forge, and here is the concept.
Sneak into enemy base, Blow up fusion coil, lowers colloseum wall and the entire enemy team floods in.

The fusion coil is suspended in midair, and the colloseum wall (set to normal phsyics) is leaning against it. The idea is to make a path to the fusion coils in a teams base, so another teams person could sneak in, blow up the fusion coil, and the colluseum (cant spell that word, at ALL) wall would fall over, making a bridge. does that make sense?
Well it doesnt work. i blow up the fusion coil, and the wall remains still where it was before (Like, its leaning against a fusion coil that doesnt exist). is there any way to fix this? possible title update fix?
Also tried with a portable shield, tripmine, etc. same thing.

Normal physics only applies in Forge. This was true in Halo 3 and it has carried over into Reach.

Basically, there’s two kinds of objects: “movables”, like Crates, and “immovables”, like Coliseum Walls. Normal physics only applies in Forge when you’re dealing with immovables. There’s no way to change this, and there’s no fix (because it’s not a bug).

Unfortunately, your map idea is not possible.