This is a small complex I designed recently for a friend.  The little blue building in front was falling down and had considerable rot.  It was also an historic building.  The tower in the back was an open frame tower built in the late 70's or early 80's and there was considerable rot in the members.  The owner wanted to fix the little building in front and enclose the tower in the back so both could be leased as retail space.  The tower in the back was basically dismantled and a new tower constructed of the same size and shape.  Interior floors were installed and a spiral stair case.  The first photo shows the skeletal framework and the steel plates.  Double bearing posts were used on 2 sides so there could be a window in the center of the walls.  The little building in the front is now the Mendocino Chocolate Company and the tower is now a hair stylists studio.  These can be found at the corner of Ukiah & Lansing Streets in downtown Mendocino, CA.