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Power & Utilities
Gumi 500 MW LNG Combined-Cycle Power Plant
Gumi,
Korea
The Gumi 500 MW LNG Combined-Cycle Power Plant (CCPP), owned by Korea Western Power Co., Ltd., was developed as a high-efficiency power generation facility intended to operate reliably under demanding environmental and operational conditions.
Project Sheet
Project Sheet
PDF
The project included extensive reinforced concrete structures such as cooling tower basins, pump stations, water storage tanks, sewage facilities, and the main control building basement. These structures were exposed to long-term risks including water ingress, chloride exposure, high humidity, and repeated wet and dry cycling. As a result, the owner required a permanent waterproofing solution that would support high availability and reduce lifecycle maintenance demands.
To address these requirements, a Xypex Crystalline Technology system was selected to provide integral waterproofing within the concrete matrix. Potential application risks such as surface laitance, overly smooth or dry substrates, joint leakage, premature hydrostatic pressure, and rapid surface drying were identified early and managed through a structured Xypex Application Risk Matrix. This approach defined specific mitigation measures for surface preparation, substrate saturation, curing practices, and application sequencing.
To address these requirements, a Xypex Crystalline Technology system was selected to provide integral waterproofing within the concrete matrix. Potential application risks such as surface laitance, overly smooth or dry substrates, joint leakage, premature hydrostatic pressure, and rapid surface drying were identified early and managed through a structured Xypex Application Risk Matrix. This approach defined specific mitigation measures for surface preparation, substrate saturation, curing practices, and application sequencing.
