Hydrographic & Geophysical Surveys

Sea Engineering offers a full range of hydrographic and geophysical survey capabilities. Projects include fiber optic cable route survey and assessment, harbor dredging surveys, pipeline and outfall route selection, unexploded ordinance detection, downed aircraft and lost anchor recovery, seafloor imaging, sand deposit investigations, and general site assessments. Surveys have been successfully completed around the world including far off places such as Madagascar, Martinque, Fiji, Colombia, Kiritimati, and Samoa,as well as home locations in the Hawaiian Islands and Continental U.S.

Hydrographic and Geophysical Equipment

  • Trimble and Leica DGPS
  • C-NAV Global Positioning System 2000
  • CSI Wireless Vector Sensor
  • C-Max CM2 325/780 kHz Dual Frequency Side Scan Sonar
  • Odom Hydrotrac and Echotrac Precision Survey Echo-Sounders
  • Odom Echoscan Multibeam Echo-Sounder
  • EdgeTech X-Star 216s Sub-Bottom Profiler
  • EdgeTech X-Star 408 Sub-Bottom Profiler
  • Hypack and Hysweep Hydrographic Software
  • Chesapeake Technology Mosaic Software
  • Trimble TerraModel Digital Terrain Modeling

Capabilities

  • MBES and SBES bathymetry
  • Sub-bottom profiling
  • Sidescan sonar surveys
  • Magnetometer surveys
  • ROV inspections

Hydrographic & Geophysical Surveys Projects

Project Sea Engineering Service

Wave Energy Test Site Design and Construction Support

Customer: Sound and Sea Technolgoy
Start Year: 2012
Location: Honolulu,
Diving Services
Renewable Energy
Boat Services
Hydrographic & Geophysical Surveys
Keawaula

Keawaula Cable Route Survey

Customer: Earth Sciences & Surveying
Start Year: 2007
Location: Keawaula,
Hydrographic & Geophysical Surveys

Wave Energy Conversion Buoy Installation and Maintenance

Customer: Ocean Power Technologies, Inc.
Start Year: 2004
Location: Honolulu,
Renewable Energy
Boat Services
Diving Services
Hydrographic & Geophysical Surveys
Oceanographic Studies
Ehime Maru

Ehime Maru Recovery Site Surveys and Dive Support

Customer: EDAW, Inc.
Start Year: 2003
Location: Oahu,
Hydrographic & Geophysical Surveys
Fiber Optic Cable Landing Site Surveys

PAC Costa Rica Cable Survey

Customer: Fugro Seafloor Surveys, Inc.
Start Year: 2006
Location: Parrita, VI
Hydrographic & Geophysical Surveys
Beckoning Point Geophysical Surveys

Beckoning Point Geophysical Surveys

Customer: U.S. Navy
Start Year: 2006
Location: Pearl Harbor,
Hydrographic & Geophysical Surveys
Pearl Harbor Sediment Transport Evaluation

Pearl Harbor Sediment Transport Evaluation

Customer: Earthtech; US Navy
Start Year: 2007
Location: Pearl Harbor,
Hydrographic & Geophysical Surveys