Using GPS robotic total stations, PDM Surveys provides hydrographic surveys for all types of marine construction projects.
Our hydrographic services include:

  • Marine construction surveys
  • Marina development
  • Marine habitat mapping
  • Shipping berth set-outs
  • Piling set-outs
  • Dredging control
  • Nautical charting
  • Harbour and channel surveys
  • As-builts for cable and pipeline
  • Volume computations
  • Sub-bottom profiling