Table 4. Summary of scores by exterior defect investigations.

Item Score
Main dam Side wall Apron Correction value by investigator Total
Mean 24.0 2.9 4.7 −1.2 30.5
S.D. 14.6 4.1 5.0 6.7 24.6
Min. 3 0 0 −10 0
Max. 60 15 15 10 83