Foundation Design

The choice of a Foundation will be based upon load, water depth, seabed soil conditions and the availability of installation equipment, materials and commercial considerations.

The foundation can consist of two types of materials:

  • Gravity based foundation (concrete)
    Keeps the tendons in place by the weight of the foundation (mostly used in shallow water). However, the size of this type of foundation will be very large due to high tension forces and submerged weight of the anchor blocks.
  • Piling (steel)
    Piling is limited to about 300 meters water depth with generally available hammers and hooks, but with special equipment many times this depth is possible.
    Possible piling methods are: