it's way too cold to work, so i'm reposting an entry i prepared for another forum....the pictures may be a bit cropped, but if you click on them you'll get the full version.
i tore out the floor, which was raised from the concrete floor in the rest of the space, tore off the drywall on the left and off the ceiling, tore out two built in benches, reinforced the wall with studs, hung new shelves, sealed the masonry and painted. now it looks like this:
this used to be my regular desk, but i moved it and will now do my beading here. to the left are my flat files.