1. Former Graduate Student, Division of Construction Engineering and Management, School of Civil Engineering, Purdue Univ., West Lafayette, IN 47907. E-mail: ebarriga@purdue.edu
2. PhD Student, Division of Construction Engineering and Management, School of Civil Engineering, Purdue Univ., West Lafayette, IN 47907. E-mail: jjeong@purdue.edu
3. Associate Professor, Division of Construction Engineering andManagement, School of Civil Engineering, Purdue Univ., West Lafayette, IN 47907 (corresponding author). E-mail: hastak@ecn.purdue.edu
4. Professor, Division of Construction Management, Michigan State Univ., East Lansing, MI 48824. E-mail: syalm@egr.msu.edu