Tidal Turbine Support Structures

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A turbine on the seabed

Tidal turbines sit on a steel frame held down by ballast. The frame has to survive decades of current.

Scroll to see how it is built · drag to turn it round

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Heavy tubes

Tubes rolled and welded into a triangle, braced up to the column.

How is it possible at Allmarc?

Three-roll pinch cum pyramid plate rollsRolls plate up to 40 mm

Used here for: Heavy tubes

• Rolls plate up to 40 mm

All our machinery

Submerged-arc (SAW) welding lineFull-penetration welds on built-up sections

Used here for: Heavy tubes

• Full-penetration welds on built-up sections

All our machinery

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Turbine column

The column and flange the turbine seats on, machined flat.

How is it possible at Allmarc?

SKDX1030 CNC end-face millingMills beam and column ends square for bolted splices

Used here for: Turbine column

• Mills beam and column ends square for bolted splices

All our machinery

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Lifting points

Padeyes, cut, welded and tested for the lift from the vessel.

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Every part, apart

Frame, column and padeyes.