I would limit his area *before* your workmen get there, so that everyone - including him - is safe and separate. I would also suggest you look into the Bark Genie, which has worked wonders for some.
__________________ ~ A friend told me I was delusional. I nearly fell off my unicorn. ~ °¨¨¨°ºOº°¨¨¨° Ann | Pfeiffer | Marcel Verdel Purcell | Wylie | Artie °¨¨¨°ºOº°¨¨¨° |