As-Needed Sediment Sampling, Characterization and Disposal Consultation Services

Client: City and County of San Francisco (City) Department of Public Works (SF DPW), Bureau of Construction Management Site Assessment and Remediation Division

Prime Contractor: Science Applications International Corporation (SAIC)

Location: San Francisco, California

Scope of Services: Provide as-needed consultation services to SF DPW for sediment characterization monitoring programs to support maintenance dredging and new construction dredging along the City's Bay front, inland lakes and reservoirs. Responsibilities include the following: Review and comment on existing reports; Provide expert commentary; Provide environmental regulatory plans and documentation; Prepare sampling and analysis plans in accordance with applicable Federal, State, Regional, and local statutes, regulations and ordinances, planning and permitting of dredging and disposal activities; Perform collection, analyses, and evaluation of resultant data pertaining to sediments, soils, water quality in marine, freshwater, land, and wetland environments and ecosystems.

San Francisco Marina Sediment Transport Modeling: ADH and SAIC developed a conceptual model of sediment transport and deposition in and around the Marina West Basin and Channel Entrance. Sediment grain size, ocean wave patterns, and historical sediment deposition data were researched and compiled into a report for the SF DPW Bureau of Engineering. Potential alternatives for sand deposition control and maintenance were presented in this report.