The Jefferson County Commission is hereby required to provide adequate and sufficient office space in the proposed new Jefferson County Sheriff's Headquarters building located at Eighth Avenue and 22nd Street, North, in the City of Birmingham, Alabama, for accommodation of the sheriff's department personnel now stationed at Fairfield so that such personnel and functions shall be returned to the county seat so as to reestablish a central and principal base of operations and to further enhance the sheriff in carrying out the duties of his or her office. Such personnel and functions shall include, but not necessarily be limited to, supervision, communications, records, equipment, investigatory, and office staff support personnel.