1. Assistant Professor at Construction Engineering Management Technology, Purdue School of Engineering and Technology, IUPUI, 799 W. Michigan St. ET201D, Indianapolis, IN 46202 (corresponding author).
2. Coordinator of Construction and Infrastructure Engineering and Management Area and Director of the Center for Underground Infrastructure Research and Education (CUIRE), Dept. of Civil and Environmental Engineering, Univ. of Texas at Arlington, Box 19308, Arlington, TX 76019.