1. Project Manager, AECOM Technical Services, Inc., 112 E Pecan St., Ste. 400, San Antonio, TX 78205.
2. Associate Professor and Construction Engineering and Management Program Coordinator, Dept. of Civil and Environmental Engineering, Univ. of Tennessee Knoxville, 851 Neyland Dr., 417 John D. Tickle Engineering Building, Knoxville, TN 37996 (corresponding author).