Desalination Plant Ras Laffan

Ras Girta’s Water & Power Project required a fast drying, WRAS certified, highly abrasion resistant, non-cracking and solvent free coating system to coat the facility’s potable water tanks

Ras Girtas, Water & Power Projects, required a fast curing surface coating system with high mechanical abrasion resistance, no VOC contents, no cracking and stable features for their newly constructed digesters at the Ras Laffan STP. To reduce surface preparation and application time to a minimum, a Geotextile was fixed directly to the concre te as a base, and the Polyurea sprayed onto it to form a lining. Application done using a 1:1 heated, high-pressure, plural component equipment (Graco XP-2). Pressure of time for fast completion and cost advantages favoured QuickSpray Industrial (aromatic), a 100% Polyurea 2-part Coating System derived from a reaction of Isocyanate and Amine terminated resin.

The application took place in 2 steps:

  1. Geotextile was layed out and mechanically anchored.
  2. The aromatic Polyurea QuickSpray applied 3mm with heated mixing equipment.

The complete process of surface-preparation and application of base coat was successfully completed
within 2 months. After curing time of 7 days the tank was activated.

Reference profile

Reference profile

Sealing of a drinking water tank

Ras Laffan



28800 m²

Ras Gas / Hyundai Engineering & Construction Co

Parsons Brinckerhoff Int’l Inc.

Hitech Projects, Doha

pictures from the project

VIP systems in this project


LIQUISHIELD is designed to meet the growing demand from consulting engineers for complete system solutions as opposed to products the LIQUISHIELD systems make it easy for consulting engineers to specify a complete liquid containment solution from one manufacturer. The LIQUISHIELD range covers primary and secondary containment of chemical liquids, abrasive slurries as well as drinking water.

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