Recent News

Glen Canyon Dam, Lake Powell, Page, Arizona

Glen Canyon Dam 3D Model

This past summer, eTrac teamed up with Autodesk and R2Sonic to collect data using LiDAR, photogrammetry, and sonar technology to create a 3D model of the Glen Canyon Dam and the power plant facility. This model will be used for design, operation and management, asset management, monitoring, security, and public outreach

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Beauty on the Bay

eTrac has office locations in California, Washington and Alaska where project planning, data processing, and product generation occurs. We also staff our “mobile offices”, the vessels on which data is collected and QC’d on a regular basis. We are dependent on our fleet of vessels and the employees that spend

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Bay Bridge Demolition – LIVE

Watch the Bay Bridge Demolition LIVE on YouTube Bay Bridge Demolition – 110216 – 288 Removal – Oakland Side

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Coastal recovery operations underway following Hurricane Matthew

U.S. Army Corps of Engineers, Jacksonville District employees are supporting coastal assessment and recovery work throughout Florida in the wake of Hurricane Matthew. Immediately after the storm passed, Jacksonville District emergency survey crews and coastal engineers worked in close coordination with the U.S. Coast Guard and local port authorities to quickly

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Remote Surveys at Glen Canyon Dam

eTrac has designed and built a new remotely controlled survey craft: S/V ROVer! This compact, versatile, and highly transportable Remote Operated Vessel is indeed a surveyor’s best friend.  Following its first survey at the USS Arizona in Pearl Harbor Hawaii in late August, it was successfully deployed for a high

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A Vital Investment in America

Modernizing the nation’s marine transportation system can create American jobs, increase exports, and inject billions of dollars into the U.S. economy.Congress has the opportunity to pass a Water Resources Development Act (WRDA) - kick-starting strategic investment in our ports and inland waterways, increasing American competitiveness and, in the process, creating hundreds of

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Searching for Hidden Treasures

Recently, eTrac teamed up with the National Park Service to perform surveys around Torpedo Wharf in the San Francisco Bay in preparation for restoration efforts on the horizon.  The team will perform several surveys using a variety of equipment to help provide the fullest picture of what artifacts may lay underneath the

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Maintenance Survey of a Breakwall

eTrac provides high resolution imagery on breakwalls to help keep them maintained.  Breakwalls are often constructed atop moveable material which requires them to be constantly monitored for movement or deterioration due to constant wave action.  This imagery provides a detailed look at the complete structure of a breakwall in order

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Demolition of the East Span of the Bay Bridge

Utilizing positioning equipment installed and supported by eTrac, crews have begun to carefully dismantle nearly 2 miles of the 77-year old East Span of the Bay Bridge section-by-section, in roughly the reverse order of how it was built in the mid-1930s. Crews will first work in the westward direction toward

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Channel Migration in Dillingham, AK

eTrac assisted the USACE in monitoring the migration of the main channel of the Nushagak River by Dillingham, providing the first full multibeam survey of the area. It appears that the deepest part of the river is getting closer to Dillingham.  This is the first in an ongoing series of

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