Waves Group / Case Studies / Marine & Offshore Engineering / Sarens NV – Sundsvall Bridge – Liftpontoon

Sarens NV – Sundsvall Bridge – Liftpontoon

Location:

Sundsvall, Sweden

Project Description:

Transport and installation of bridge sections for the new Sundsvall Bridge.

Our Role:

We were engaged by Sarens NV to undertake third party verification of the marine engineering aspects of the transport and installation of the bridge sections. A range of verification assessments and analysis was performed by Mwaves to support the Sarens operation.  The bridge sections were successfully installed in 2013.

Activities:

  • Third Party verification of Sundsvall Bridge loadout and barge stability;
  • Structural analysis of lifting gantry supports, grillages and braces;
  • Stability analysis for the range of barge loading conditions;
  • Motions analysis for the transports including the hoisted bridge condition;
  • Dynamic mooring analysis for the barges with the bridge sections hoisted;

A movie of the lifting operation can be seen below:

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