External Pipelines Project Achieves Huge Savings

The pipelines (400m²) of a power generation plant in South Korea were suffering from severe corrosion damage and required to be re-coated.

Previous conventional paint systems required to be re-coated after only 2 years in-service; at high refurbishment cost. The client was therefore looking for a system which could offer long-term maintenance-free protection as opposed to the short-term solutions they previous had through the use of conventional paints.

There could be no disruption to the working plant; therefore grit blasting was not permissible. The project also had to be carried out in high humidity. Water jetting was utilised as the surface preparation method.

Two coats of wet & rust tolerant Epo-chem™ RL 500PF were then applied. This was followed by one coat of highly chemical and UV resistant topcoat Epo-chem™ RC 500GTC.

Significant time and cost savings were achieved by utilising water jetting as the surface preparation method. Due to the satisfaction of the customer, the same system has now been specified for a similar pipeline external project (over 1500m²) for late 2017.

By utilising this unique system, the following benefits were achieved:

  • No grit blasting requirements
  • Surface tolerant primer
  • No humidity or dew point restrictions
  • Outstanding chemical and UV resistance
  • High gloss finish
  • Long-term maintenance-free protection
rusted blue pipes on large external concrete building

Before Surface Preparation

blue pipeline externals on large concrete building

Completed Application


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