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What is Didipio Coanda Screen Overflow Issues about?

The Coanda screens at the Didipio mine are overflowing and bypassing 30% of water directly into the vertical dam, unable to handle the current 400 l/s flowrate. Video shows overflow from the front screen. Potential issues include the aperture size in the catch box being too narrow, the screens being assembled incorrectly, and lack of pressurization from an unsealed intake pipe and lid. Actions are proposed to review the design, aperture size, assembly, sealing the system, and adding internal baffles.

Author

Josh

Language

EN