
    400 A.2d 621
    Lisbon Contractors, Inc. v. South Middleton Township Municipal Authority, Appellant.
    Petition for Allowance of Appeal Denied April 11, 1979.
    Argued December 5, 1978.
    Richard C. Snelbaker, for appellant; Otis W. Erisman, for appellee.
    Before PRICE, SPAETH and WATKINS, JJ.
   Order affirmed.  