Our Services

Hydro-graphic Survey

We are leading service provider of Hydro-graphic Survey Global Positioning Services. We use advance navigation and data acquisition system and processing software for preparation of charts, carrying out all types of Hydro-graphic survey for the following categories:

  • Bathymetric surveys
  • Rivers & Lake/Reservoir surveys
  • Port & Harbours surveys
  • Dredging surveys
  • Geophysical Surveys
  • Diving Support — Positioning Service
  • Offshore construction projects
  • Positioning Services — Rig and Barges
  • Route survey
  • Shallow water Oceanography

Differential Global Positioning Services

Using a range of GPS receivers, PESPL is able to establish control points on land to the few Millimeter level of accuracy by using static differential techniques. PESPL offers UHF/HF linked Differential Global Positioning Service (DGPS) to Positioning accuracy of sub meter for:

  • Vessel navigation and offshore surveys
  • Rig positioning, offshore vessels and barge positioning
  • Land surveys and GIS (Geographical Information System) application surveys
  • Vessel management services
  • Navigation assistance and pilotage for vessel movement in and out of ports/harbor

Bathymetry

  • Depth measurements
  • Volume estimation
  • Dredging monitoring surveys

Sonar Imaging

  • Cable and pipeline route identification
  • Fallen objects / debris and lost anchor recovery
  • Seafloor imaging
  • Seabed sediment distribution

Sub-Bottom Profiling

  • Delineation of sediment layers
  • Buried pipeline / objects
  • Subsurface geology

Oceanographic Surveying

  • Ocean current measurements
  • Tide measurements
  • Wave measurements
  • Physical and chemical parameters of seawater
  • Site Assessment

Underwater Services

  • Diving inspection
  • ROV
  • Underwater Photography / Videography

Coastal Engineering Consultancy Services

  • Designing of intake and outfall pipeline
  • Shoreline monitoring
  • Construction of coastal structures like Jetty, Groins, Sheet Piling, etc.

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