1. Professor and Austin Industries Endowed Faculty Fellow, Dept. of Civil, Architectural, and Environmental Engineering, The Univ. of Texas, 1 University Station Stop C1752, Austin, TX 78712.
2. Project Control Manager, ALSTOM S.A., 8F, 239, Sec. 2, ChengDe Rd., Taipei, Taiwan 103.
3. Assistant Professor, Dept. of Construction Management and Occupational Safety and Health, North Carolina A&T Univ., 1601 Market St., Greensboro, NC 27411.
4. Consultant and Lecturer, Dept. of Civil, Architectural, and Environmental Engineering, The Univ. of Texas, 1 University Station Stop C1752, Austin, TX 78712.