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Pilot Testing of New CP System of Aboveground Storage Tank

Paper Number: 61
Author/s: -


New pilot testing approach has been tried for providing catholic protection of the soil side of above ground storage tank that will reduce cost and interval of tank Test and Inspection (T&I). The new approach utilizing discrete zinc anodes to replace the impressed grid system anodes that required to excavate one meter underneath the tank. In addition, the initiative is to attach zinc anodes to underside each plate of the tank bottom with provision of leak detection system at 20 cm underneath. As result case saving and less turnaround period will be achieved with same corrosion prevention.