Analysis of Launching Methodologies for Offshore Wind Hulls
Explore various options for launching offshore wind (OSW) hulls, including methodologies such as launching by barge/vessel and ramp/ways. The discussion delves into the pros and cons of each method, highlighting their suitability based on foundation type and characteristics.
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Present Options for Present Options for Launching OSW Hulls Launching OSW Hulls By: Matt Burns, Maine Port Authority
Launching Methodology Launching Methodology OSW foundations are massive. Foundation construction in the uplands. Foundation must be transferred from the uplands into the water. So far, this group has discussed launching foundations by barge. Other options may be appropriate depending on size/characteristics.
Launching by Barge/Vessel Launching by Barge/Vessel Specialized semi-submersible barge/vessel. Barge can be moved and relocated elsewhere. Requires deeper water to submerge. Can be expensive to build specialized barges. More sensitive to wind/wave and sea characteristics.
Launching by Ramp/Ways Launching by Ramp/Ways Similar to how ships can be launched. Fixed equipment that can not be relocated. More complex mechanical components than a barge. Can be expensive to build and maintain. Several different ways to control the launch.
Where we are at Where we are at State is continuing to refine alternative concepts. Exploring inclined ramp and semi-sub barge options. Optimal launching methodology depends on foundation type. Heavier foundations may require multiple barges configured together. Launching OSW foundations with a ramp is a novel concept.
Changes to Conceptual Changes to Conceptual Alternatives Alternatives By: Matt Burns, Maine Port Authority
OSW Marshalling Terminal Alternatives OSW Marshalling Terminal Alternatives Mack Point with Launching Ramp 100 acres Sears Island with Launching Ramp 100 acres Mack Pt/Sears Island Hybrid/Ramp 119 total acres Eastport, Estes Head 100 acres No Build
California OSW Lease Sale Current Events Industry Updates Port Infrastructure Development Program Awards for Offshore Wind Ports Searsport Projects Nate Moulton, Highland Pellets Searsport Maintenance Dredging Any news from the Committee?
