Table 1 presents the results of construction progress measurement of the six activities that were in progress at the time of the case study. Each activity’s status and actual progress rate were based on the as-built statuses obtained for the various components by applying the proposed method, including the two-stage revision process. The progress rates and statuses for the steel frame fourth to sixth floors (C-tower), steel frame fourth to sixth floors (N-tower), seventh floor (C-tower), and eighth floor (N-tower), were measured and determined to have started because some of the components in those activities were not yet constructed. The third floor (C-tower) and fourth floor (N-tower) were classified as not yet started because any components in those activities were not yet constructed. Table 2 illustrates the planned and actual progress for those six activities. The system compared the progress of each activity (the actual construction status) with the planned schedule (as-planned data) to determine whether the work was ahead of schedule, behind schedule, or right on schedule. According to the original plan, all of those activities were to be completed by the time of the scan, but they were all behind schedule.