Pressure vessels and piping represent potential sources of hazards in the event of an accidental release. The most common hazards are typically projectiles, blast loads, and fluid spray. The ASME PCC-2 standard includes guidance for determining a safe standoff distance from projectiles and blast loads based on converting the stored energy in the system to an equivalent weight of high explosives (i.e., TNT). This paper investigates a case study where the PCC-2 methods are compared to results obtained using CFD modeling of blast loads and analytical methods of projectiles. Both results are then compared to test results.

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