As a consultant, Chris's project portfolio includes foundation investigations and designs for pile-supported structures and shallow foundations. He has analyzed and developed mitigation measures for landslides in bedrock, colluvium, and man-made fill, including probabilistic evaluation of landslide potential as input to tsunami modeling. Chris has provided geotechnical recommendations for facilities subject to liquefaction, lateral spreading, and other seismic hazards. He has also participated in design optimization projects, feasibility studies, and litigation and peer review projects for complex geotechnical projects addressing issues related to the presence of peats, soft clays, loose sands, sabkha soils, and waste.
At locations in Africa, Saudi Arabia, Turkey, Guyana, Mexico, and Canada, Chris evaluated geotechnical aspects of the design and construction of large infrastructure projects, including refineries and airports, on soft compressible clays and other challenging soils. He also made recommendations on site development and has conducted finite element modeling to predict expected settlements due to consolidation of soft soils and to evaluate the stability of natural and man-made shoreline slopes.
In Northern California, Chris has reviewed and evaluated geotechnical behavior and past performance of existing and proposed levees and dams; conducted failure analyses, geotechnical analyses, and investigations of critical levee sections; and provided engineering support during remedial measures. He managed the initial geotechnical review of the condition of approximately 80 miles of levees along the Sacramento River.
Chris's geoenvironmental practice focuses on analysis and design related to the closure of large, complex contaminated sites. He also consults on geoenvironmental engineering challenges facing waste disposal facilities, including the analysis, planning, design, and construction of both municipal solid waste landfills and hazardous waste landfills.