As a result of aqueous hydrochloric acid corrosion, existing PSV inlet lines had corroded and eventually leaked. In the past, leaking from the inlet resulted in a major plant outage and significant production loss. The Projects goal was to re design the PSV piping to avoid the Tee connection (failure point) and provide a lower stress piping run.

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The complete vessel piping was modeled and numerous options where analysed before the final piping route was selected. Constructability, code stress and accessibility were all considered in the final design.

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GN2 Scope included:

• Piping stress evaluation

• Piping detailed engineering including 3D modelling

• Piping isometrics 

• Procurement support

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