The Hellenic Electricity Distribution Network Operator (HEDNO/DEDDHE) has awarded Assodivers Group a contract for the replacement of the power interconnection   between Spetses and Spetsopoula at the Argosaronic Gulf in Greece.

The cables system that was installed is composed by:

  • 2x 20kV MV Power cables

 Assodivers ‘s scope of work for the abovementioned project included:

  • Preparation activities/ mobilization – demobilization
  • Removal existing mooring systems
  • Removal of the existing submarine cables
  • Pre – Trenching visual survey operations
  • Onshore and nearshore pre -lay excavation works
  • Cable Lay operations
  • Trenching operations
  • Post – Lay Burial Operations – Onshore and Nearshore
  • Post – Lay Burial Operations - Offshore

 

Vessel / Equipment used

  • Argo
  • Hydna
  • Assodiver VII
  • AssoTrencher V
  • Hitachi EX 225
  • ROV Vector M5

Project Specifications

Spetses - Spetsopoula

Year:
2018
Contractor:
Assodivers Group
Cable Type:
20kV MV
Service Provided:
Submarine Cables Removal – Installation – Protection
Laying Length:
2x 1000m
Owner:
Hellenic Electricity Distribution Network Operator (HEDNO/DEDDHE)
Trenching Length & Cover Depth:
985m @ 0.6m & 1.0m
Location:
Argosaronic Gulf, Greece
Max Water Depth:
15m