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Sonar Profiling

While CCTV is the standard acceptable method of visually inspecting pipelines above the waterline, it cannot provide visual information on internal pipe conditions below the waterline. Sonar profiling provides and quantifies accurate dimensional data on silt level, grease accumulation, pipe deformation, offsets, blockages, etc. below the waterline in partially and fully surcharged lines. Much like a medical MRI, it provides a two-dimensional profile of the interior pipe wall and can be used:

  • In submerged and semi-submerged pipelines ranging from 18 inches to 18 feet
  • With CCTV to provide simultaneous image of pipe both above and below the waterline
  • To provide “real-time” cross-sectional views of the pipe, utilizing high resolution/short range sonar


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