Capabilities
Harbor and Channel Condition Surveys
Since 1994, TerraSond has consistently met the needs of government, public and private sectors by providing numerous surveys of critical channel navigation points, and surveys in support of engineering and construction projects for ports and harbors.
Project condition surveys for harbors and channels are conducted to monitor channel conditions and dredging requirements. Project condition surveys also determine if project conditions have changed enough to warrant construction, or maintenance activities.
All of our port and harbor surveys are performed using the latest in singlebeam, multibeam, and side scan sonar technology, as well as overseen by an ACSM (American Congress on Surveying and Mapping) Certified Hydrographer.
Related Projects:
- Nome Navigation Improvements
- Nome, Alaska
- We were contracted by a large construction company to establish a control network and to provide progress checks for hydrographic and topographic surveys for the U.S. Army Corps of Engineers (USACE) - Alaska District in Nome, Alaska. Our surveying services were used to support the design project for a new harbor and entrance. Included in the project was also a large breakwater extending offshore.

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- USACE - Alaska IDIQ Contract for Hydrographic Surveys and Related Services
- Various Locations, Alaska
- Since 1995, we have provided the U.S. Army Corps of Engineers (USACE) - Alaska District with hydrographic, topographic, and Global Positioning System (GPS) control surveys; aerial photography; LiDAR mapping; and tide studies on over five hundred projects throughout Alaska.

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- USACE - Texas IDIQ Contract for Hydrographic Surveys and Related Services
- Various Locations, Texas
- Since 2003, we have provided and continue to provide hydrographic surveys and related support services for the Galveston District of the U.S. Army Corps of Engineers (USACE).

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- Channel Clearance Surveys - Texas
- Ingleside, Texas
- For this project, we were tasked by the U.S. Army Corps of Engineers- Galveston District, to conduct multiple high resolution repeat surveys for the Jewell-Fulton Channel, LaQuinta Channel, Corpus Christi Channel, and Aransas Pass Entrance Channel, using multibeam and sidescan sonar for data collection.

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- Channel Clearance Surveys - Louisiana
- Port of Iberia, Louisiana
- We conducted two channel clearance surveys in the Port of Iberia Channel. The first was a comprehensive bottom and debris survey using sidescan and multibeam sonars for the egress route for an oil platform module along an 8-mile stretch of the Iberia Navigation Canal. Additional geophysical surveys were done for clearance at two docks along the route at the Port of Iberia.

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- Post Hurricane Rita Emergency Call-out Clearance Surveys
- Various Locations, Texas
- Our surveyors were tasked by the U.S. Army Corps of Engineers (USACE) - Galveston District to form immediate response teams to survey Texas ports the day after Hurricane Rita reached landfall. We acted fast to survey the Houston Ship Channel, and two other ports that were hit hard by the hurricane.

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