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What distinguishes RBI from PHA?

  1. PHA emphasizes on mechanical integrity

  2. RBI emphasizes on process unit design

  3. PHA focuses on design and operating conditions

  4. RBI evaluates production costs

The correct answer is: PHA focuses on design and operating conditions

The correct answer highlights the distinct focus of Process Hazard Analysis (PHA) on design and operating conditions. PHA is a systematic approach aimed at identifying and analyzing hazards associated with process operations. It assesses potential risks based on the specific design of the facility and current operating conditions, making it an essential part of ensuring safety in process industries. This focus on design and operating conditions enables organizations to evaluate how equipment and processes perform under normal and abnormal situations, which is critical for identifying potential safety issues before they lead to incidents. In contrast, Risk-Based Inspection (RBI) typically centers on assessing the risks related to equipment integrity and maintenance, rather than the broader operational and design parameters that PHA emphasizes. Understanding this distinction allows for better integration of both methodologies in a comprehensive safety management system, ensuring that both process safety and equipment reliability are effectively managed.