At the expense of sounding stupid…I do have a few questions? you said that there are bedrooms above. What room are we looking at? Is there a chance that between what we are looking at and the bedrooms above there is a supporting structure? Looking at some of the material it looks as though there has been some type of water damage to a few and 1 looks as though it has been spliced or sawn at one point or another and leads me to believe by photos that this is a poor attempt at a cosmetic renovation.
With that said…HIT ME WITH IT!!!