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4817 ZG Breda
The Netherlands
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info@tideway-deme.nl

Expertise

Reference list

Offshore dredging and landfall works.

  1. Statoil/Zeepipe Project:
    offshore dredging, pre-sweeping, shore approach works, landfall construction and shore-pull of 40" gaspipeline.
  2. Shell/Miri and Bintulu:
    construction of 16" and 18" gaspipe landfalls.
  3. TMPC/Transmed Pipelines:
    dredging and backfilling shore approaches for 4th and 5th Transmed gaspipelines.
  4. Southern Water/East Worthing Outfall:
    construction of 52" sewage and storm outfall.
  5. BEB/Manslagt:
    offshore installation pipeline bundle by directional drilling
    and controlled surface tow.
  6. Statoil/Europipe Landfall Project:
    study and dredging of shore approach and stabilisation of the Europipe Pipeline.
  7. Premier Transco/Scotland-N. Ireland Pipeline:
    construction of 2 landfalls for a 24" gaspipeline, incl. pipe pull,
    onshore works, and offshore stabilisation works.
  8. Enagas/Gibraltar Crossing:
    construction of 4 landfalls for 18" gaspipeline, onshore works and backfilling.
  9. Chevron/Escravos Gas Project:
    shore approach dredging, backfill and pipe pull operations for 20" pipeline.
  10. UK Continent Gas Interconnector:
    route preparation prior to 36" pipeline, shore approach dredging, and Zeebrugge landfall construction pipe pull/horizontal drill.
  11. Gazprom/Bluestream Project:
    crossing Black Sea, landfall construction 22" gas pipeline at Turkey and Russia.
  12. British Gas/Trinidad Hibiscus Field:
    construction of landfall including horizontal drilling works for 24" gas pipeline.
  13. BP/Magnus EOR Project:
    landfall construction for 2 & 20" pipelines and installation of 50" HDPE pipeline.
  14. Dublin Bay Crossing:
    installation, dredging and backfilling works for 10 km of 55" pipeline.
  15. Irish Sea Gas Interconnector Landfall:
    dredging and backfilling shore approaches for Interconnector gas pipeline.
  16. Morray Firth:
    construction of 10" gas pipe crossing Moray Firth.
  17. Bombax Pipeline Landfall Project:
    construction of landfall, shore approach dredging and backfilling, laying pull wire and pipe pulling for 62.6 km of 48" Bombax pipeline.
  18. Greenstream (Libya - Sicily) Landfall Project:
    landfall construction works at Sicily and Libya for the 32" Offshore Pipeline System across the Mediterranean sea
  19. Husky / White Rose Glory Holes:
    dredging services for the excavation of two Glory Holes by means of a new Grab Dredging System onboard DP Fall Pipe Vessel "Seahorse".
  20. ExxonMobil / Sakhalin I Project:
    dredging, backfilling works, cofferdam installation and scour protection services for the Pipelines and Export Terminal at Sakhalin Island.
  21. TTM Gas Pipeline:
    pre-trench dredging works for the 34" Gas Pipeline System in relation to the Trans Thailand Malaysia (TTM) Project.
  22. Dhirubai 1 & 3 Project:
    shore approach and landfall construction works including pipeline trench dredging, shore pull of 3 pipelines and backfilling with dredged materials and stone.
  23. Balearic Submarine Pipeline Project:
    dredging and backfilling of landfall trenches for a 20” gas pipeline incl. pipe pulling services, cofferdam / bund construction.


Rock placement works.

  1. Norsk Hydro/Troll Olje Field:
    protection of subsea lines and structures.
  2. Woodside/Wanaea and Cossack Project:
    ballasting of anchor boxes with iron ore.
  3. Philips/Ekofisk Pipelines Project:
    protection of pipeline crossing works and out of straightness rectification works.
  4. Pirelli/Irish Sea:
    remedial rock dumping works on the Sirius-Londonderry and ESAT cable.
  5. BP/Magnus EOR Project:
    pre and post lay rockdumping at crossings, tee constructions and freespan rectifications.
  6. Shell/Malampaya Field:
    pre and post lay seabed rectification, crossing and shore approach pipeline protection.
  7. PetroCanada/Terra Nova Field:
    pipeline protection and insulation by means of rock/sand dumping.
  8. TotalFinaElf/Canyon Express:
    post lay rockdumping at crossings of various pipelines and umbilicals.
  9. Amerada Hess/South Arne Offshore Ballasting:
    offshore ballasting of the concrete gravity based structure (GBS) of the South Arne Platform
  10. Statoil / Sleipner Vest - Alfa Nord:
    post lay high accuracy rockdumping on pipeline, umbilical and around protection structures close to the Sleipner Alfa platform
  11. Maersk / Halfdan NE Development:
    post lay rockdumping at pipeline crossings, on several subsea structures and at pipelines near platform installations
  12. ESB / Shannon Estuary Pipeline Crossing:
    side stone dumping for reinstatement of rock/gravel berm along cable pipelines, crossing the estuary of river Shannon
  13. Clyde Petroleum / Q8 Platform:
    side stone dumping services around the legs of the Q8 Platform in relation to scour protection
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