eTrac Engineering, LLC combines 85 years of Hydrographic Survey experience in over 55 countries and on all US coasts including Hawaii and Alaska. Our knowledge and practice covers the full spectrum of survey, from small-scale marinas to large-scale coastal projects. eTrac has the capacity and flexibility to staff and equip survey projects of all kinds.

We specialize in hydrographic survey to compliment dredging, coastal construction, environmental remediation and resource management projects.

• USACE Class 1 dredge payment surveys
• Object detection
• Pipeline positioning and inspection
• Utility corridor evaluation
• Safety of navigation surveys
• Levee and embankment surveys (land and marine)
• Geophysical surveys
• Capping surveys

eTrac utilizes industry-leading hardware and software from an in-house rental pool and maintains product support through our reseller partnerships. Our vessel fleet is diversified to accommodate varied site conditions and client needs. Survey platforms include: 26 ft Multibeam/Singlebeam Aluminum Boat, 17 ft Singlebeam/Multibeam Boat, 12 ft Shallow-Water Singlebeam Boat, and a Robotic Survey Vessel (RSV).

Recent Projects:

• Port of San Francisco: Hydrographic Survey: Pier 27, Pier 35
• San Francisco BART Seismic Retrofit: Multibeam & Magnetometer Survey
• Hayward Baker/Traylor Bros./Solentanche JV: BART Seismic Retrofit
• Hylebos Waterway Remediation Project: Pre, Post & Daily Multibeam Surveys
• Port of Stockton: Berth Dredging Survey
• Chevron Long Wharf: Multibeam Dredge Survey
• Bay Harbor, MI: Environmental Bathymetric Survey
• Oakland Inner Harbor: Pre-Dredge & Magnetometer Survey
• Port of Tacoma Blair Waterway: Pre and Post Dredge Multibeam Survey
• Seattle Art Museum: Multibeam Survey
• Hylebos Waterway: Mahnke Lumber Terminal Multibeam Survey
• Pearl Harbor: Pre, Post & Daily Conditional Dredge Support Surveys
• Alcoa Multibeam survey