The opinion
ORDER
PER CURIAM.
AND NOW, this 30th day of April, 2013, the Petition for Allowance of Appeal is *915 GRANTED. The issue, as stated by Petitioner, is:
Did the Board interpret the Public Employee Relations Act in a clearly erroneous manner by concluding that prison maintenance employees who supervise inmates on prison grounds outside the prison walls are prison guards for purposes of bargaining unit placement under the Act?