 Also in accordance with the above changes, two of Serpas's deputy chiefs swapped responsibilities, while two others were replaced by civilian personnel, bringing the net count of deputy chiefs from six to four.On March 1, 2011, the New Orleans Civil Service Commission unanimously approved Superintendent Serpas' proposal to create a new pay plan for 16 new "Police Commanders".Serpas originally asked the Commission to approve 16 "Colonel's" positions.