1. Fellow, ASCE
2. Visiting Prof., Civ. Engrg., Univ. of Canterbury, Christchurch, New Zealand. E-mail: bennett@civil.canterbury.ac.nz
3. Prof., Constr. Engrg. and Mgmt., 220 Civ. Engrg. Build., Univ. of Alberta, Edmonton, Alta., Canada T6G 2T3. E-mail: abourizk@civil. ualberta.ca
4. PhD Candidate, Constr. Engrg. and Mgmt., 103 Civ. Engrg. Build., Univ. of Alberta, Edmonton, Alta., Canada T6G 2G7. E-mail: mlu@ ualberta.ca