
    435 A.2d 928
    Rodak, et ux., Appellants v. Oakmont Municipal Author., etc.
    Petition for Allowance of Appeal Denied Nov. 30, 1981.
    Argued November 13, 1980.
    Edwin J. Martin, for appellant;
    David B. Fawcett, for appellee.
    Before SPAETH, WICKERSHAM and LIPEZ, JJ.
   Order affirmed.  