In secure and accredited areas through which un-cleared construction personnel must pass or work, the assigned CAE personnel must properly sign in un-cleared personnel on the visitor's roster, turn on alerting mechanism, and notify occupants prior to their entry into secured areas to prevent the unauthorized disclosure of classified and sensitive information. The escort services shall include: Accompany personnel working facility operations or other activities that do not have the appropriate security clearances and/or access authorization for secure areas of each building or site.