1. Engineering Business Analyst, PCL Industrial Management Inc., Edmonton, AB, Canada T6E 3P4.
2. Manager of Construction Engineering, PCL Industrial Management Inc., Edmonton, AB, Canada T6E 3P4.
3. Professor, Dept. of Civil and Environmental Engineering, Univ. of Alberta, Alberta, Canada T6G 2W2 (corresponding author).
4. Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of Alberta, Alberta, Canada T6G 2W2.