1. Chief Executive Officer, Xicon Infrastructure, P.O. Box 556, Statesboro, GA 30459; formerly, Graduate Student, Dept. of Civil and Environmental Engineering, Mississippi State Univ.
2. Richard A. Rula Endowed Professor of Construction Engineering and Management, Assistant Professor, Civil and Environmental Engineering, Mississippi State Univ., 501 Hardy Rd., 235C Walker Engineering Building, Mississippi State, MS 39762 (corresponding author).