AutoCAD CIVIL 3D

With Civil 3D, we have the flexibility to handle a broad range of project types, including land development, transportation, and environmental.

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Coal Facility Landing Site
Cook Inlet, Alaska
Our hydrographic surveyors provided multibeam bathymetry and collected marine geophysical and current data to aid in the development of a trestle and dock for the shipment of coal mined from a coal facility landing site in Cook Inlet, Alaska.
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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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ROV Multibeam Surveys
Various Locations, Worldwide
We performed a series of multibeam surveys for a company that was tasked with mapping a number of existing and proposed sub-sea installations and specializes in acoustic positioning in deep water.
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NOAA - Alaska IDIQ Contract for Hydrographic Surveys and Related Services
Various Locations, Alaska
Since 1998, we have supplied the U.S. Department of Commerce, National Oceanic and Atmospheric Administration (NOAA) with hydrographic data of 100% bottom coverage with shallow-water multibeam sonar systems.
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Homer Spit Beach Condition Surveys
Homer, Alaska
Tasked by the U.S. Army Corps of Engineers (USACE) - Alaska District, TerraSond conducted beach condition surveys on the Homer Spit in Alaska. Ground topographic surveys were performed using Real-Time Kinematic (RTK) Global Positioning System (GPS) control methods.
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Harbor Mountain Road Design
Sitka, Alaska
We were contracted by the U.S. Department of Agriculture U.S. Forest Service, Alaska Region to perform a preliminary line survey and hydro-site surveys in preparation for the engineering upgrade design of an existing 4.8 mile (7.6 kilometer) mountain road used as the primary access to public recreational facilities.
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Kivalina Village Relocation
Kivalina, Alaska
We were contracted by the U.S. Army Corps of Engineers (USACE) - Alaska District to provide surveying services for the relocation of the village of Kivalina, Alaska. Services included aerial photography, topographic and hydrographic surveys, and support for field measurements of the existing town-site. The resulting services produced a storm surge analysis for possible relocation of the village.
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Support Surveys for Wildwood Air Force Station Remediation
Kenai, Alaska
Our surveyors performed a primary control monumentation survey, preliminary topographic and quantity calculations, construction and grading layouts and final as-built surveys of contaminated sites for the Wildwood Air Force Station Phase II Remediation Project.
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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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Mine Debris Consolidation and Disposal
Southwestern, Alaska
Our surveyors conducted field surveys for the Bureau of Land Management (BLM) Red Devil Mine Debris Consolidation and Disposal project, then measured and established limits for the excavation of two monofill sites.
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Navigation Channel Dredging - Knik Arm Shoal
Cook Inlet, Alaska
We provided USACE Class I dredge payment surveys that included a pre-dredge survey, 13 project condition surveys, and a post-dredge survey for the construction of a navigation channel along the southern flank of Knik Arm Shoal.
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Pipeline Construction to Osprey Platform
Cook Inlet, Alaska
We provided support services for a pipeline installation program in a very rough area of Cook Inlet that was exposed to weather from the north and south.
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Submarine Transmission Cable Installation
Cook Inlet, Alaska
We provided surveying and positioning services to support a 138-kilovolt (kV) submarine cable installation project. These services included a desk-top study, a pre-lay marine survey, a post-lay survey, Global Positioning System (GPS) control survey, and other support services during construction.
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Northeast Cape - White Alice Communications Systems Site Surveys
St. Lawrence Island, Alaska
Our surveyors conducted a primary project control survey, secondary control layout survey for engineering purposes, and post-demolition locate surveys for the White Alice Communications Systems (WACS) on St. Lawrence Island, Alaska.
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USACE - Texas IDIQ Contract for Hydrographic Surveys and Related Services
Various Locations, Texas
Since 2003, TerraSond has provided and continues 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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Conceptual Engineering Services
Anchorage, Alaska
We participated in a road design and construction plan for a bridge across Knik Arm, a branch of Cook Inlet near Anchorage, Alaska. Our office staff collected background information about land and sub-sea contours, inlet currents and ice, area biology and regulatory requirements to provide to our client.
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Levee Integrity Surveys
Stockton and Lodi, California
An engineering firm contracted us to perform hydrographic surveys in Stockton and Lodi, California following the failure of a neighboring levee. This project involved collecting high resolution multibeam and sidescan sonar, at close range, in shallow water.
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Dredging Surveys and Volume Computations
Port of Anchorage, Alaska
We were contracted by a dredging firm to conduct independent bathymetric surveys and compute dredge quantities for the U.S. Army Corps of Engineers (USACE) - Alaska District's Port of Anchorage project. The annual dredging cost for the Port of Anchorage is approximately $10 million.
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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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Kenai Peninsula Flood Plain Mapping
Kenai, Alaska
We were tasked by the U.S. Army Corps of Engineer Alaska District to survey the flood plain for three rivers on the Kenai Peninsula. Various surveys were conducted using aerial Light Detection and Ranging (LiDAR) sensors, single beam sonar systems and Real-Time Kinematic (RTK) Global Positioning System (GPS) topographic survey equipment.
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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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NOAA Charting - Port Clarence and Nome
Norton Sound, Alaska
NOAA tasked us with providing hydrographic surveying and support services for the Approaches to Nome and Port Clarence in the Norton Sound along the Bering Sea, Alaska.
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Surveys in Support of Mine Development
Southwestern, Alaska
Our surveyors used Static GPS to standardize project control on over 4,500 square miles of remote Alaska to support the development of a mineral mining operation. This project required a variety of surveying capabilities and technologies.
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Hydroelectric Turbine Sites for Alternative Energy Project
Yukon River, Alaska
Our staff conducted a geophysical reconnaissance of the Yukon River in Alaska to identify a safe and potentially productive installation site for an in-stream hydrokinetic turbine. This information enabled the client to better understand the resource available to the community for power production and to establish a cost and engineering strategy for future build out.
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Shallow Hazards Geophysical Survey
Alaska Outer Continental Shelf (OCS) Region
An exploration, production, and support services company contracted us to collect data to support the future move of an oil rig platform in the Alaska Outer Continental Shelf (OCS) Region.
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