1. Professor, School of Civil and Construction Engineering, Oregon State Univ., 101 Kearney Hall, Corvallis, OR 97331 (corresponding author).
2. Ph.D. Candidate, School of Civil and Construction Engineering, Oregon State Univ., 101 Kearney Hall, Corvallis, OR 97331.
3. Assistant Professor, Dept. of Construction Management, College of Built Environments, Univ. of Washington, 120 Architecture Hall, Seattle, WA 98195.