Geotechnical investigations for buildings, bridges, tunnels and highways. Design of foundations for bridges, buildings; design of tunnels, HDD installed pipelines, shafts, artificial ground freezing for deep shafts and tunnels; design of underpinning and other methods of protecting structures adjacent to deep excavations; design of retaining walls, slurry diaphram walls, tie-back anchors and other bracing systems; design of cofferdams and bulkheads, pile foundations, drilled pier foundations and mat foundations.
Examples of DesignProjects: Convention Center in Washington, D.C.; Foundations for the World War II Memorial, Washington, D.C.; Basement slurry walls, wall support and underdrainage system for the Vehicle Security Center at the World Trade Center, NY, NY; Ground freezing system for the jacked highway boxes below the rail yard as part of the Boston Central Artery; Underpinning of the Russia Building and ground freezing for temporary underpinning of the adjacent building for transitway tunnels below the Russia Wharf buildings in Boston, MA; 2500 prestressed piles, 75m long for the Syracuse, NY Metropolitan Treatment Plant including an instrumented pile load test program.