
    377 A.2d 999
    L and W Demolition Company, Inc. v. Rockwood Insurance Co., Appellant.
    Argued June 21, 1977.
    David C. Eaton, with him W. E. Shissler, for appellant;
    David E. Lehman, with him McNees, Wallace & Nurick, for appellee.
   Judgment affirmed; petition for reargument denied October 6, 1977.  