1. Project Manager, Geo-Foundations Contractors Inc., 302 Main Street North, Acton, ON, Canada L7J 1W9.
2. Professor and Chair, Dept. of Civil Engineering, Univ. of Ottawa, Ottawa, ON, Canada K1N 6N5 (corresponding author).
3. Associate Professor, Dept. of Civil Engineering, Carleton Univ., Ottawa, ON, Canada K1S 5B6.