94 Gifford Street Falmouth MA 02540

Hydrographic Surveying and Mapping

Gloucester Nat Grid Dredging BDNational Grid Environmental Dredging Surveys, Gloucester, MA

Hydrographic Surveying

Steele Associates’ NSPS / THSOA Certified Hydrographers are recognized for our experience and ability to effectively support technically challenging projects throughout the northeast. Our state of the art survey equipment pool includes an R2Sonic 2024 multibeam sonar with 700 kHz ultra-high resolution upgrade, ideal for pipeline and cable inspections.

Our 32-ft coastal survey vessel is located in Falmouth Harbor, MA, and is capable of offshore surveys to 50 miles at 30 kt cruise.

Please contact us to discuss specific project needs.


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Hydrographic Surveying and Mapping

Bathymetric Surveys

  • NSPS / THSOA Certified Hydrographers
  • High resolution multibeam surveys
  • Single beam surveys
  • Dual frequency surveys

Dredging Surveys

  • Class 1 Dredge payment surveys
  • Environmental dredging surveys and production analysis
  • Dredge volumetric computations

Inspection Surveys

  • Ultra-high resolution multibeam and
    side-scan sonar debris mapping
  • Cable and pipeline surveys
  • Bridge pier and scour surveys

Shoreline Surveys

  • Beach nourishment profiles
  • Coastal erosion, scour, accretion surveys
  • Coastal mapping

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