Joe,
I think your perception of the job is not correct.
First you cut the SKIN all around and peel it off chances are it not glued to the wood you may or may not have to help peeling it off with a help and some pry bars attached to 2x4 to avoid the glass
If the skin breaks or you are force to cut it DO NOT PANIC it can and will be attached later in the project without a hitch see my post when I replace the fuel tank before and after.
After the skin is peeled off you can cut the old wood up in pieces if its still attached to the stringers etc
You can use saw horizontally to cut the floor off the stringers if attach hard YES you will have a clear view of the project at this point.
 
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					Originally Posted by joe7670  Lets consider I cut the floor much like you did.
 Is the glass on the floor is not glued to the wood?
 
 or should I be cutting through the glass floor and wood and then prying the wood up to unstick it from the stingers?
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