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Risk-Based Inspection

API ICP Self Study Notes

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14.8 Establish IOWs 建 立 操 作 完 整 性 窗 口<br />

IOWs should be established for process parameters (both physical and<br />

chemical) that could impact equipment integrity if not properly controlled.<br />

Examples of the process parameters include temperatures, pressures, fluid<br />

velocities, pH, flow rates, chemical or water injection rates, levels of corrosive<br />

constituents, chemical composition, etc. Key process parameters for IOWs<br />

should be identified and implemented, upper and lower limits established, as<br />

needed, and deviations from these limits should be brought to the attention of<br />

inspection/engineering personnel. Particular attention to monitoring IOWs<br />

should also be provided during start-ups, shutdowns and significant process<br />

upsets.<br />

操 作 完 整 性 窗 口 ( 参 数 ) 应 确 定 和 实 施 . 特 别 注 意 监 测 在 开 机 , 关 机 与 工 艺 颠 覆 的<br />

工 艺 参 数 的 异 常 . 当 关 键 工 艺 参 数 偏 离 允 许 上 下 限 , 应 及 时 提 醒 检 验 / 设 计 人 员 .<br />

API 580<br />

Charlie Chong/ Fion Zhang

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