APPENDIX B2-HydroSurvey.pdf

This file appears to be a hydrographic survey document containing bathymetric data and charts related to the Tongue Point USCG moorings dredging project in Astoria, OR. The document includes detailed depth soundings represented by small icons arranged in a grid pattern across the survey area, with purple boundary lines delineating what appears to be the dredging area. The survey contains multiple cross-sectional views showing depth profiles and elevation changes across the project site. In the bottom left corner, there is a small map inset showing the geographical location of the project area, along with a data table containing survey-related information.

The document includes standard USCG markings and reference numbers in the header area, indicating this is an official survey drawing being used as part of the solicitation package (Appendix B2) for maintenance dredging work. While this technical drawing provides important bathymetric data for contractors to understand the existing conditions and scope of dredging work required, it does not itself contain contracting terms, pricing, or other solicitation details.