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Al Kharj Sewage Treatment Plant Project

Project Info
Client:
National Water Company
Consultant:
Abalkhail Consulting Engineers
Contractor:
Thabat Contracting Company
Sub-Contractor:
Methaq Al Omran Est.
Project location/County:
Saudi Arabia
Supplied Products:
Waterproofing

Task at Hand

One of the project’s main requirements were providing an economical waterproofing and protective coating for the wastewater tanks, which can be easily spray applied and has excellent adhesion to the existing PU Foam Thermal Insulation. The coating should also provide resistance to UV with excellent protection against carbon dioxide, chloride ions and water.

DCP SOLUTION

DCP products have played an important role in providing the desired protection and waterproofing of the wastewater tanks. Setseal C, a flexible acrylic cement modified waterproofing and protective coating, was approved by the consultant with long-term performance and reliability in mind. Due to the size of the project, the product was sprayed over the PU foam covering the wastewater tanks’ external surface area. DCP therefore conducted tests at the R&D center to confirm the suitability for such applications.

Moreover, when the applied Setseal C had cured, an “on-site verification test” was conducted to confirm the product’s adhesion over the previously applied PU foam; the product has shown excellent adhesion on the foam, where a cohesive failure occurred within the foam itself when conducting the pull-off test. The applied coating now protects the tanks that are expected to treat 200,000 cubic meters of wastewater per day, increasing Riyadh’s wastewater purification capacity.

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