Delivering 34km of Flame-Retardant Cables for Kaliwa Dam TBM Tunnel, Philippines
This case study highlights Zhongdong Cable's successful supply for the Kaliwa Dam Project in the Philippines. To withstand the harsh conditions of TBM tunnel construction—such as enclosed spaces, high humidity, and continuous mechanical dragging—we provided a customized solution of over 34,000 meters of Cu/XLPE/PVC Flame-Retardant cables. By delivering both 3×50+2×25 mm² 5-core power cables and 2×25 mm² 2-core lighting cables compliant with IEC 60332-3, Zhongdong Cable ensured underground fire safety, operational stability, and on-time delivery for this major international infrastructure project.
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