Cooling system

Jan De Nul Group, Boskalis & MCQ Breakwaters Ras Laffan – QATAR

Jan De Nul Dredging Ltd., Boskalis Westminster Middle East Ltd. & Mobil Concrete Qatar W.L.L.

This breakwater system was divided into a 10km long northern breakwater and a 10km long southern breakwater.

Our scope of work:

Our first aggregate cooling system in Qatar (Prototype)

  • Development
  • Systems engineering
  • Electrical installation
  • Controls
  • Optimization


  • Qatar Petroleum & Ras Gas

Concrete quantity

  • Total 300,000 m³; with aggregate cooling system 140,000m³

With the help of our highly efficient aggregate cooling system we were able to deliver high quality concrete. Every delivery was within the limit of the required concrete temperature of maximum 28 °C, thus no rejected concrete was accounted for.

The successful delivery of this aggregate cooling system inspired us to further develop the system.