Three years ago, an article entitled "A Second Story in Five Days," by Chuck Green, appeared in the Journal (3/93). In that article, Chuck tells how he lifted the entire roof off of a house with a crane, lifted preframed walls for a second-story addition into place, then set the original roof back on top of the new walls. The story couldn't have been more timely for me: I was in the middle of negotiations for a second-story master bedroom addition and was considering a similar approach. The main difference was that I was contemplating building the entire 600-square-foot addition on the ground. The article gave me a good sense