Tacoma Harbor Deepening Program Sediment/Soil Characterization

Contract Number:
071977
Procurement Summary:
The initial scope of services includes these 3 areas of focus:

Blair Waterway Sediment Characterization
All necessary planning, design, permitting support, sampling, analysis, and reporting required to determine the suitability of both berth and channel dredge sediments for unconfined open water disposal, beneficial use (including grain size), or upland disposal. Samples may be required to include evaluation for cultural or archeological resources. Select sample locations may require additional bioaccumulation studies to
determine suitability. Portions of this work are being contracted by the Port of Tacoma for use by the US Army Corps of Engineers (USACE).

Intertidal and Nearshore Cleanup Investigations
All necessary planning, design, permitting support, sampling, and reporting to define the nature and extent of contamination in both in-water sediment and upland soils in support of potential future cleanup operations. Samples may be required to include evaluation for cultural or archeological resources. Portions of this work may be contracted by the Port of Tacoma for use by USACE.

Geotechnical Investigations (Optional)
Geotechnical investigations and laboratory testing into waterway side-slope stability to include planning, design, permitting, sample collection, laboratory testing, analysis, and reporting. Geotechnical samples may be required to include evaluation for cultural or archeological resources. Portions of this work are being contracted by the Port of
Tacoma for use by USACE
Notes:
Last Day for Questions is November 24, 2023 at 2PM PST