4 ADDITIONAL 'IN-SCOPE" WORK RELATED TO "HYBRID INSPECTION SYSTEM STUDY Supplemental Agreement for work within scope $157.9k 7/18/14 3 THIS PR IS TO START A TASK UNDER THE HUMAN FACTORS IDIQ TO STUDY A HYBRID INSPECTION METHODOLOGY FOR TRACK INSPECTION. SPECIFICALLY, FRA OFFICE OF RESEARCH AND DEVELOPMENT WISHES TO STUDY THE RELATIVE EFFECTIVENESS OF TRACK INSPECTION BETWEEN AUTOMATED SYSTEMS AND HUMAN TRACK INSPECTORS. Supplemental Agreement for work within scope $99.9k 5/16/13 2 THIS PR IS TO START A TASK UNDER THE HUMAN FACTORS IDIQ TO STUDY A HYBRID INSPECTION METHODOLOGY FOR TRACK INSPECTION. SPECIFICALLY, FRA OFFICE OF RESEARCH AND DEVELOPMENT WISHES TO STUDY THE RELATIVE EFFECTIVENESS OF TRACK INSPECTION BETWEEN AUTOMATED SYSTEMS AND HUMAN TRACK INSPECTORS. Funding Only Action $0 12/14/12 1 THIS PR IS TO START A TASK UNDER THE HUMAN FACTORS IDIQ TO STUDY A HYBRID INSPECTION METHODOLOGY FOR TRACK INSPECTION. SPECIFICALLY, FRA OFFICE OF RESEARCH AND DEVELOPMENT WISHES TO STUDY THE RELATIVE EFFECTIVENESS OF TRACK INSPECTION BETWEEN AUTOMATED SYSTEMS AND HUMAN TRACK INSPECTORS. Other Administrative Action $0 12/11/12 Not listed THIS PR IS TO START A TASK UNDER THE HUMAN FACTORS IDIQ TO STUDY A HYBRID INSPECTION METHODOLOGY FOR TRACK INSPECTION. SPECIFICALLY, FRA OFFICE OF RESEARCH AND DEVELOPMENT WISHES TO STUDY THE RELATIVE EFFECTIVENESS OF TRACK INSPECTION BETWEEN AUTOMATED SYSTEMS AND HUMAN TRACK INSPECTORS. Not listed $287.3k 11/14/12