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Grande Côte Project Tailings Stacker Barge Detailed Design

BMT was contracted to provide a detailed design and appropriate manufacturing documentation for a Tailings Stacker Barge.

Summary

BMT was contracted in 2012 to provide a detailed design and appropriate manufacturing documentation for a Tailings Stacker Barge as part of the Grande Côte Mineral Sands Project in Senegal, Western Africa.

The main purpose of the barge is to support superstructure and piping systems used for discharging processed sand ashore.

BMT Approach

BMT provided an innovative design solution which exceeded requirements set out by the client. The primary criteria for consideration whilst designing the barge were structural integrity, watertight integrity and adequate stability.

To ensure the safe operation of the plant the barge is divided into watertight compartments with the purpose of maintaining its survivability in the event of damage to the watertight envelope.

Throughout the course of the design, BMT engineers and naval architects utilised advanced FEA and stability analysis tools to investigate barge performance and structural strength.

Key Features

BMT developed a unique barge design with an emphasis on safety, ease of assembly and durability by incorporating the following characteristics:

  • Raked hull form to reduce required ballast;
  • Construction utilising a monolithic collection of five pontoon units for ease of transportation and assembly;
  • Specialist design with a focus on safe operation over a wide range of operational scenarios and enhanced survivability in the event of damage; and
  • An innovative rubber seal and bolt connection system between pontoon units to reduce on-site welding.

Key Benefits

BMT’s innovative barge design has provided an economical solution for the Grande Côte Tailings Stacker with improved stability and safety characteristics compared to existing industry offerings.