Principal-in-Charge of the investigations of three landslides along the very steep slopes of the Fairfax-Bolinas Road including geologic mapping of and preparation of mitigation plans.

Project manager for the investigations and preliminary and final design of a new bridge over the Kazevoin River for a 2-lane highway in accordance with AASHTO standards, and a 36-inch water transport pipe.

Project Manager for the value engineering analysis of the new design of the Central San Francisco Viaduct (planned 4-lane Highway 101).

Principal-in-Charge of the geotechnical and engineering geology investigations of slope stability of 200 to 300-foot high cut slopes in volcanic and sedimentary bedrock. Also, geo-technical investigations and evaluation of static and seismic stability and deformation of a 180-ft fill section of the highway using finite element computer modeling.

Principal-in-Charge for Phase I preliminary site assessment (PSA) and geotechnical evaluations for the expansion of the Foothill Blvd. over I-580.

Principal-in-Charge for the on-land and on-water geotechnical investigations, seismic upgrade analyses, and design of piles and piers for upgrading of the drawbridge over Alameda Channel.

Project Manager for geotechnical investigations, development of geotechnical design parameters, and construction observations of expansion of the overpass and retaining structures.

Principal-in-Charge of a comprehensive study of a ship siding capacities, loading and unloading, and surface transport and warehousing capacities of all (12) harbors of Iran in light of the rapidly expanding demand for cargo shipment and inadequate transport capacities. The $1.5M study culminated in a Harbors Expansion Master Plan identifying quantifying and prioritizing the needed modifications, renovations and expansions and a comprehensive time schedule to satisfy the existing and anticipated future demands.

Principal-in-Charge for the geotechnical and earthquake engineering studies of the new Highway 12 Bridge over Napa River.

QA/QC review of the geotechnical and seismic evaluation of alternative routes, evaluation of environmental and health & safety issues of petroleum hydrocarbons and methane encountered during tunneling. Evaluation of soft rock tunneling methods.

Principal-in-Charge of the investigations of two landslides which occurred during rainy season, and development of design parameters for repair.

Project Manager for the geotechnical investigations and design of upgrading and widening of the highway as well as design of storm damaged areas including culverts, gabions, guard rails, etc.

Principal-in-Charge of the investigation of the causes of slope movement subsequent to previous repair including geologic mapping, drilling, installation of slope indicators, design of a tie-back wall, and recommendations for mitigation.

Principal-in-Charge of the geotechnical investigations and design of drainage gallery system to stabilize a 0.5 mile stretch of county highway through Franciscan melange bedrock.

Principal-in-Charge of the geotechnical and earthquake engineering investigations and pile design for widening of the bridge and pile driving monitoring during construction.

Principal-in-Charge of the geotechnical and seismic investigations and design of overpass modifications including widening, on and off ramps, and use of light weight aggregate to reduce settlement over bay mud.

Principal-in-Charge of the investigations to determine causes of repeated failure of the massive fill slope and development of alternative mitigation plans and design parameters