Tap any failure mode → flip to its on-site guidance (pure-CSS, no JS needed on mobile)
Instrumentation & Safety Instrumented System (SIS)Instrumentation & Safety Instrumented System (SIS)
⚠ ⚠ Top risk: 传感器漂移/校准失效 · RPN 96 (High) — watch this one first at the equipment
Risk Board (all 16 · by RPN · top 6 highlighted urgent)
Shield: Safety = people/environment　Production = production only
Technical mechanism/mitigation body in Chinese (red line: no fabricated MT; EN UI labels translated)
16Failure Modes
12High/Critical
11Standards
1Real Accidents
Tap any failure mode to flip to its on-site guidance
Device-level standard/accident index (11 standards / 1 accidents)
Standards (11 de-duplicated)
  • IEC 61511 — Functional safety — Safety instrumented systems for the process industry sector
  • GB/T 21109
  • GB/T 20438
  • IEC 61508
  • ISA 84.00.01
  • ISO 14224:2016 — Petroleum, petrochemical and natural gas industries — Collection and exchange of reliability and maintenance data for equipment
  • API 580 — Risk-Based Inspection
  • GB/T 7826-2012
  • SAE JA1011_202411 — Evaluation Criteria for Reliability-Centered Maintenance Processes
  • GB/T 27921-2023
  • IEC 62443
Accident Lessons (1 de-duplicated)
CSB-ITC-DEERPARK-2019CSB2019 ↗
CSB ITC Deer Park 2019 储罐区火灾：缺乏可燃/气体监测与远程隔离阀（2023 终报）
FM Traceability Cards (16)
Generated by Reliability AI
传感器漂移/校准失效RPN 96 · High
Failure Mechanism
长期漂移未校准
How to Detect
Online monitoring · Detection rate 85% ；Re-inspect ≤every24months
Mitigation (What to Do)
  • 定期校准
  • 趋势比对
RCM Strategy
PMScheduled (Proactive) Maintenance
Interval: High risk 1-3 mo / Medium 6-12 mo / Low risk at turnaround (by API 581 RBI risk ranking)
Engineering-inferred (not measured history); confirm with equipment owner before execution
Standards (10)
  • IEC 61511 — Functional safety — Safety instrumented systems for the process industry sector
  • GB/T 21109
  • GB/T 20438
  • IEC 61508
  • ISA 84.00.01
  • ISO 14224:2016 — Petroleum, petrochemical and natural gas industries — Collection and exchange of reliability and maintenance data for equipment
  • API 580 — Risk-Based Inspection
  • GB/T 7826-2012
  • SAE JA1011_202411 — Evaluation Criteria for Reliability-Centered Maintenance Processes
  • GB/T 27921-2023
Lessons Learned (1)
CSB-ITC-DEERPARK-2019CSB2019Fire
CSB ITC Deer Park 2019 储罐区火灾：缺乏可燃/气体监测与远程隔离阀（2023 终报）
Root cause: ITC 缺乏监测泵失效的报警器/气体检测系统，且无可远程操作的紧急隔离阀，导致泄漏未能及时探测与切断
Official source ↗
终阀卡涩RPN 72 · Critical
Failure Mechanism
阀杆锈蚀/结焦
How to Detect
Online monitoring · Detection rate 85% ；Re-inspect ≤every24months
Mitigation (What to Do)
  • 部分行程测试(PST)
  • 阀杆润滑
RCM Strategy
CBMOn-Condition Maintenance
Interval: High risk 1-3 mo / Medium 6-12 mo / Low risk at turnaround (by API 581 RBI risk ranking)
Engineering-inferred (not measured history); confirm with equipment owner before execution
Standards (10)
  • IEC 61511 — Functional safety — Safety instrumented systems for the process industry sector
  • GB/T 21109
  • GB/T 20438
  • IEC 61508
  • ISA 84.00.01
  • ISO 14224:2016 — Petroleum, petrochemical and natural gas industries — Collection and exchange of reliability and maintenance data for equipment
  • API 580 — Risk-Based Inspection
  • GB/T 7826-2012
  • SAE JA1011_202411 — Evaluation Criteria for Reliability-Centered Maintenance Processes
  • GB/T 27921-2023
Lessons Learned (1)
CSB-ITC-DEERPARK-2019CSB2019Fire
CSB ITC Deer Park 2019 储罐区火灾：缺乏可燃/气体监测与远程隔离阀（2023 终报）
Root cause: ITC 缺乏监测泵失效的报警器/气体检测系统，且无可远程操作的紧急隔离阀，导致泄漏未能及时探测与切断
Official source ↗
环境腐蚀端子RPN 64 · Medium
Failure Mechanism
潮湿/腐蚀环境
How to Detect
Online monitoring · Detection rate 78% ；Interval by RBI
Mitigation (What to Do)
  • 端子防腐处理
  • 环境密封
RCM Strategy
CBMOn-Condition Maintenance
Interval: High risk 1-3 mo / Medium 6-12 mo / Low risk at turnaround (by API 581 RBI risk ranking)
Engineering-inferred (not measured history); confirm with equipment owner before execution
Standards (10)
  • IEC 61511 — Functional safety — Safety instrumented systems for the process industry sector
  • GB/T 21109
  • GB/T 20438
  • IEC 61508
  • ISA 84.00.01
  • ISO 14224:2016 — Petroleum, petrochemical and natural gas industries — Collection and exchange of reliability and maintenance data for equipment
  • API 580 — Risk-Based Inspection
  • GB/T 7826-2012
  • SAE JA1011_202411 — Evaluation Criteria for Reliability-Centered Maintenance Processes
  • GB/T 27921-2023
Lessons Learned (1)
CSB-ITC-DEERPARK-2019CSB2019Fire
CSB ITC Deer Park 2019 储罐区火灾：缺乏可燃/气体监测与远程隔离阀（2023 终报）
Root cause: ITC 缺乏监测泵失效的报警器/气体检测系统，且无可远程操作的紧急隔离阀，导致泄漏未能及时探测与切断
Official source ↗
信号丢失RPN 54 · High
Failure Mechanism
接线断路/供电失效
How to Detect
Online monitoring · Detection rate 85% ；Interval by RBI
Mitigation (What to Do)
  • 信号诊断
  • 回路冗余
RCM Strategy
PMScheduled (Proactive) Maintenance
Interval: High risk 1-3 mo / Medium 6-12 mo / Low risk at turnaround (by API 581 RBI risk ranking)
Engineering-inferred (not measured history); confirm with equipment owner before execution
Standards (10)
  • IEC 61511 — Functional safety — Safety instrumented systems for the process industry sector
  • GB/T 21109
  • GB/T 20438
  • IEC 61508
  • ISA 84.00.01
  • ISO 14224:2016 — Petroleum, petrochemical and natural gas industries — Collection and exchange of reliability and maintenance data for equipment
  • API 580 — Risk-Based Inspection
  • GB/T 7826-2012
  • SAE JA1011_202411 — Evaluation Criteria for Reliability-Centered Maintenance Processes
  • GB/T 27921-2023
Lessons Learned (1)
CSB-ITC-DEERPARK-2019CSB2019Fire
CSB ITC Deer Park 2019 储罐区火灾：缺乏可燃/气体监测与远程隔离阀（2023 终报）
Root cause: ITC 缺乏监测泵失效的报警器/气体检测系统，且无可远程操作的紧急隔离阀，导致泄漏未能及时探测与切断
Official source ↗
变送器电子故障RPN 54 · High
Failure Mechanism
电路板/电源模块失效
How to Detect
Online monitoring · Detection rate 82% ；Interval by RBI
Mitigation (What to Do)
  • 自诊断监测
  • 备件轮换
RCM Strategy
PMScheduled (Proactive) Maintenance
Interval: High risk 1-3 mo / Medium 6-12 mo / Low risk at turnaround (by API 581 RBI risk ranking)
Engineering-inferred (not measured history); confirm with equipment owner before execution
Standards (10)
  • IEC 61511 — Functional safety — Safety instrumented systems for the process industry sector
  • GB/T 21109
  • GB/T 20438
  • IEC 61508
  • ISA 84.00.01
  • ISO 14224:2016 — Petroleum, petrochemical and natural gas industries — Collection and exchange of reliability and maintenance data for equipment
  • API 580 — Risk-Based Inspection
  • GB/T 7826-2012
  • SAE JA1011_202411 — Evaluation Criteria for Reliability-Centered Maintenance Processes
  • GB/T 27921-2023
Lessons Learned (1)
CSB-ITC-DEERPARK-2019CSB2019Fire
CSB ITC Deer Park 2019 储罐区火灾：缺乏可燃/气体监测与远程隔离阀（2023 终报）
Root cause: ITC 缺乏监测泵失效的报警器/气体检测系统，且无可远程操作的紧急隔离阀，导致泄漏未能及时探测与切断
Official source ↗
阀门定位器故障RPN 54 · High
Failure Mechanism
反馈/气路故障
How to Detect
Online monitoring · Detection rate 82% ；Interval by RBI
Mitigation (What to Do)
  • 定位器诊断
  • 行程反馈校验
RCM Strategy
CBMOn-Condition Maintenance
Interval: High risk 1-3 mo / Medium 6-12 mo / Low risk at turnaround (by API 581 RBI risk ranking)
Engineering-inferred (not measured history); confirm with equipment owner before execution
Standards (10)
  • IEC 61511 — Functional safety — Safety instrumented systems for the process industry sector
  • GB/T 21109
  • GB/T 20438
  • IEC 61508
  • ISA 84.00.01
  • ISO 14224:2016 — Petroleum, petrochemical and natural gas industries — Collection and exchange of reliability and maintenance data for equipment
  • API 580 — Risk-Based Inspection
  • GB/T 7826-2012
  • SAE JA1011_202411 — Evaluation Criteria for Reliability-Centered Maintenance Processes
  • GB/T 27921-2023
Lessons Learned (1)
CSB-ITC-DEERPARK-2019CSB2019Fire
CSB ITC Deer Park 2019 储罐区火灾：缺乏可燃/气体监测与远程隔离阀（2023 终报）
Root cause: ITC 缺乏监测泵失效的报警器/气体检测系统，且无可远程操作的紧急隔离阀，导致泄漏未能及时探测与切断
Official source ↗
拒动（SIS 该动不动）RPN 54 · Critical
Failure Mechanism
传感器/逻辑/终阀任一失效
How to Detect
Online monitoring · Detection rate 90% ；Interval by RBI
Mitigation (What to Do)
  • SIL 验证测试
  • 终阀 PST + 逻辑仿真
RCM Strategy
PMScheduled (Proactive) Maintenance
Interval: High risk 1-3 mo / Medium 6-12 mo / Low risk at turnaround (by API 581 RBI risk ranking)
Engineering-inferred (not measured history); confirm with equipment owner before execution
Standards (10)
  • IEC 61511 — Functional safety — Safety instrumented systems for the process industry sector
  • GB/T 21109
  • GB/T 20438
  • IEC 61508
  • ISA 84.00.01
  • ISO 14224:2016 — Petroleum, petrochemical and natural gas industries — Collection and exchange of reliability and maintenance data for equipment
  • API 580 — Risk-Based Inspection
  • GB/T 7826-2012
  • SAE JA1011_202411 — Evaluation Criteria for Reliability-Centered Maintenance Processes
  • GB/T 27921-2023
Lessons Learned (1)
CSB-ITC-DEERPARK-2019CSB2019Fire
CSB ITC Deer Park 2019 储罐区火灾：缺乏可燃/气体监测与远程隔离阀（2023 终报）
Root cause: ITC 缺乏监测泵失效的报警器/气体检测系统，且无可远程操作的紧急隔离阀，导致泄漏未能及时探测与切断
Official source ↗
逻辑错误（SIS 组态）RPN 48 · Critical
Failure Mechanism
组态错误或变更失控
How to Detect
Online monitoring · Detection rate 85% ；Interval by RBI
Mitigation (What to Do)
  • 逻辑审查
  • 变更管理+回归测试
RCM Strategy
PMScheduled (Proactive) Maintenance
Interval: High risk 1-3 mo / Medium 6-12 mo / Low risk at turnaround (by API 581 RBI risk ranking)
Engineering-inferred (not measured history); confirm with equipment owner before execution
Standards (10)
  • IEC 61511 — Functional safety — Safety instrumented systems for the process industry sector
  • GB/T 21109
  • GB/T 20438
  • IEC 61508
  • ISA 84.00.01
  • ISO 14224:2016 — Petroleum, petrochemical and natural gas industries — Collection and exchange of reliability and maintenance data for equipment
  • API 580 — Risk-Based Inspection
  • GB/T 7826-2012
  • SAE JA1011_202411 — Evaluation Criteria for Reliability-Centered Maintenance Processes
  • GB/T 27921-2023
Lessons Learned (1)
CSB-ITC-DEERPARK-2019CSB2019Fire
CSB ITC Deer Park 2019 储罐区火灾：缺乏可燃/气体监测与远程隔离阀（2023 终报）
Root cause: ITC 缺乏监测泵失效的报警器/气体检测系统，且无可远程操作的紧急隔离阀，导致泄漏未能及时探测与切断
Official source ↗
回路振荡RPN 45 · Medium
Failure Mechanism
整定不当/阀门黏滞
How to Detect
Online monitoring · Detection rate 80% ；Interval by RBI
Mitigation (What to Do)
  • 回路性能监测
  • 整定优化
RCM Strategy
PMScheduled (Proactive) Maintenance
Interval: High risk 1-3 mo / Medium 6-12 mo / Low risk at turnaround (by API 581 RBI risk ranking)
Engineering-inferred (not measured history); confirm with equipment owner before execution
Standards (10)
  • IEC 61511 — Functional safety — Safety instrumented systems for the process industry sector
  • GB/T 21109
  • GB/T 20438
  • IEC 61508
  • ISA 84.00.01
  • ISO 14224:2016 — Petroleum, petrochemical and natural gas industries — Collection and exchange of reliability and maintenance data for equipment
  • API 580 — Risk-Based Inspection
  • GB/T 7826-2012
  • SAE JA1011_202411 — Evaluation Criteria for Reliability-Centered Maintenance Processes
  • GB/T 27921-2023
Lessons Learned (1)
CSB-ITC-DEERPARK-2019CSB2019Fire
CSB ITC Deer Park 2019 储罐区火灾：缺乏可燃/气体监测与远程隔离阀（2023 终报）
Root cause: ITC 缺乏监测泵失效的报警器/气体检测系统，且无可远程操作的紧急隔离阀，导致泄漏未能及时探测与切断
Official source ↗
误跳闸（SIS 误动）RPN 45 · Medium
Failure Mechanism
元件随机失效/干扰
How to Detect
Online monitoring · Detection rate 85% ；Interval by RBI
Mitigation (What to Do)
  • 误跳分析
  • 诊断覆盖率优化
RCM Strategy
PMScheduled (Proactive) Maintenance
Interval: High risk 1-3 mo / Medium 6-12 mo / Low risk at turnaround (by API 581 RBI risk ranking)
Engineering-inferred (not measured history); confirm with equipment owner before execution
Standards (10)
  • IEC 61511 — Functional safety — Safety instrumented systems for the process industry sector
  • GB/T 21109
  • GB/T 20438
  • IEC 61508
  • ISA 84.00.01
  • ISO 14224:2016 — Petroleum, petrochemical and natural gas industries — Collection and exchange of reliability and maintenance data for equipment
  • API 580 — Risk-Based Inspection
  • GB/T 7826-2012
  • SAE JA1011_202411 — Evaluation Criteria for Reliability-Centered Maintenance Processes
  • GB/T 27921-2023
Lessons Learned (1)
CSB-ITC-DEERPARK-2019CSB2019Fire
CSB ITC Deer Park 2019 储罐区火灾：缺乏可燃/气体监测与远程隔离阀（2023 终报）
Root cause: ITC 缺乏监测泵失效的报警器/气体检测系统，且无可远程操作的紧急隔离阀，导致泄漏未能及时探测与切断
Official source ↗
电磁阀线圈烧毁RPN 42 · High
Failure Mechanism
过热/电压异常
How to Detect
Online monitoring · Detection rate 80% ；Interval by RBI
Mitigation (What to Do)
  • 线圈温度监测
  • 冗余电磁阀
RCM Strategy
PMScheduled (Proactive) Maintenance
Interval: High risk 1-3 mo / Medium 6-12 mo / Low risk at turnaround (by API 581 RBI risk ranking)
Engineering-inferred (not measured history); confirm with equipment owner before execution
Standards (10)
  • IEC 61511 — Functional safety — Safety instrumented systems for the process industry sector
  • GB/T 21109
  • GB/T 20438
  • IEC 61508
  • ISA 84.00.01
  • ISO 14224:2016 — Petroleum, petrochemical and natural gas industries — Collection and exchange of reliability and maintenance data for equipment
  • API 580 — Risk-Based Inspection
  • GB/T 7826-2012
  • SAE JA1011_202411 — Evaluation Criteria for Reliability-Centered Maintenance Processes
  • GB/T 27921-2023
Lessons Learned (1)
CSB-ITC-DEERPARK-2019CSB2019Fire
CSB ITC Deer Park 2019 储罐区火灾：缺乏可燃/气体监测与远程隔离阀（2023 终报）
Root cause: ITC 缺乏监测泵失效的报警器/气体检测系统，且无可远程操作的紧急隔离阀，导致泄漏未能及时探测与切断
Official source ↗
电源故障RPN 42 · High
Failure Mechanism
UPS 失效/配电中断
How to Detect
Online monitoring · Detection rate 80% ；Interval by RBI
Mitigation (What to Do)
  • UPS 维护
  • 双路供电
RCM Strategy
PMScheduled (Proactive) Maintenance
Interval: High risk 1-3 mo / Medium 6-12 mo / Low risk at turnaround (by API 581 RBI risk ranking)
Engineering-inferred (not measured history); confirm with equipment owner before execution
Standards (10)
  • IEC 61511 — Functional safety — Safety instrumented systems for the process industry sector
  • GB/T 21109
  • GB/T 20438
  • IEC 61508
  • ISA 84.00.01
  • ISO 14224:2016 — Petroleum, petrochemical and natural gas industries — Collection and exchange of reliability and maintenance data for equipment
  • API 580 — Risk-Based Inspection
  • GB/T 7826-2012
  • SAE JA1011_202411 — Evaluation Criteria for Reliability-Centered Maintenance Processes
  • GB/T 27921-2023
Lessons Learned (1)
CSB-ITC-DEERPARK-2019CSB2019Fire
CSB ITC Deer Park 2019 储罐区火灾：缺乏可燃/气体监测与远程隔离阀（2023 终报）
Root cause: ITC 缺乏监测泵失效的报警器/气体检测系统，且无可远程操作的紧急隔离阀，导致泄漏未能及时探测与切断
Official source ↗
后备电源失效RPN 42 · High
Failure Mechanism
电池老化/未维护
How to Detect
Online monitoring · Detection rate 80% ；Interval by RBI
Mitigation (What to Do)
  • 电池容量测试
  • 定期更换
RCM Strategy
PMScheduled (Proactive) Maintenance
Interval: High risk 1-3 mo / Medium 6-12 mo / Low risk at turnaround (by API 581 RBI risk ranking)
Engineering-inferred (not measured history); confirm with equipment owner before execution
Standards (10)
  • IEC 61511 — Functional safety — Safety instrumented systems for the process industry sector
  • GB/T 21109
  • GB/T 20438
  • IEC 61508
  • ISA 84.00.01
  • ISO 14224:2016 — Petroleum, petrochemical and natural gas industries — Collection and exchange of reliability and maintenance data for equipment
  • API 580 — Risk-Based Inspection
  • GB/T 7826-2012
  • SAE JA1011_202411 — Evaluation Criteria for Reliability-Centered Maintenance Processes
  • GB/T 27921-2023
Lessons Learned (1)
CSB-ITC-DEERPARK-2019CSB2019Fire
CSB ITC Deer Park 2019 储罐区火灾：缺乏可燃/气体监测与远程隔离阀（2023 终报）
Root cause: ITC 缺乏监测泵失效的报警器/气体检测系统，且无可远程操作的紧急隔离阀，导致泄漏未能及时探测与切断
Official source ↗
通信中断（总线）RPN 36 · High
Failure Mechanism
总线故障/节点掉线
How to Detect
Online monitoring · Detection rate 80% ；Interval by RBI
Mitigation (What to Do)
  • 网络冗余
  • 节点诊断
RCM Strategy
PMScheduled (Proactive) Maintenance
Interval: High risk 1-3 mo / Medium 6-12 mo / Low risk at turnaround (by API 581 RBI risk ranking)
Engineering-inferred (not measured history); confirm with equipment owner before execution
Standards (10)
  • IEC 61511 — Functional safety — Safety instrumented systems for the process industry sector
  • GB/T 21109
  • GB/T 20438
  • IEC 61508
  • ISA 84.00.01
  • ISO 14224:2016 — Petroleum, petrochemical and natural gas industries — Collection and exchange of reliability and maintenance data for equipment
  • API 580 — Risk-Based Inspection
  • GB/T 7826-2012
  • SAE JA1011_202411 — Evaluation Criteria for Reliability-Centered Maintenance Processes
  • GB/T 27921-2023
Lessons Learned (1)
CSB-ITC-DEERPARK-2019CSB2019Fire
CSB ITC Deer Park 2019 储罐区火灾：缺乏可燃/气体监测与远程隔离阀（2023 终报）
Root cause: ITC 缺乏监测泵失效的报警器/气体检测系统，且无可远程操作的紧急隔离阀，导致泄漏未能及时探测与切断
Official source ↗
接地环路干扰RPN 36 · Medium
Failure Mechanism
多点接地电位差
How to Detect
Online monitoring · Detection rate 80% ；Interval by RBI
Mitigation (What to Do)
  • 单点接地
  • 屏蔽检查
RCM Strategy
PMScheduled (Proactive) Maintenance
Interval: High risk 1-3 mo / Medium 6-12 mo / Low risk at turnaround (by API 581 RBI risk ranking)
Engineering-inferred (not measured history); confirm with equipment owner before execution
Standards (10)
  • IEC 61511 — Functional safety — Safety instrumented systems for the process industry sector
  • GB/T 21109
  • GB/T 20438
  • IEC 61508
  • ISA 84.00.01
  • ISO 14224:2016 — Petroleum, petrochemical and natural gas industries — Collection and exchange of reliability and maintenance data for equipment
  • API 580 — Risk-Based Inspection
  • GB/T 7826-2012
  • SAE JA1011_202411 — Evaluation Criteria for Reliability-Centered Maintenance Processes
  • GB/T 27921-2023
Lessons Learned (1)
CSB-ITC-DEERPARK-2019CSB2019Fire
CSB ITC Deer Park 2019 储罐区火灾：缺乏可燃/气体监测与远程隔离阀（2023 终报）
Root cause: ITC 缺乏监测泵失效的报警器/气体检测系统，且无可远程操作的紧急隔离阀，导致泄漏未能及时探测与切断
Official source ↗
网络安全失陷（配置篡改）RPN 32 · Critical
Failure Mechanism
未授权访问/配置篡改
How to Detect
Online monitoring · Detection rate 80% ；Interval by RBI
Mitigation (What to Do)
  • 访问控制/审计
  • 配置完整性校验
RCM Strategy
PMScheduled (Proactive) Maintenance
Interval: High risk 1-3 mo / Medium 6-12 mo / Low risk at turnaround (by API 581 RBI risk ranking)
Engineering-inferred (not measured history); confirm with equipment owner before execution
Standards (11)
  • IEC 61511 — Functional safety — Safety instrumented systems for the process industry sector
  • GB/T 21109
  • GB/T 20438
  • IEC 61508
  • ISA 84.00.01
  • ISO 14224:2016 — Petroleum, petrochemical and natural gas industries — Collection and exchange of reliability and maintenance data for equipment
  • API 580 — Risk-Based Inspection
  • GB/T 7826-2012
  • SAE JA1011_202411 — Evaluation Criteria for Reliability-Centered Maintenance Processes
  • GB/T 27921-2023
  • IEC 62443
Lessons Learned (1)
CSB-ITC-DEERPARK-2019CSB2019Fire
CSB ITC Deer Park 2019 储罐区火灾：缺乏可燃/气体监测与远程隔离阀（2023 终报）
Root cause: ITC 缺乏监测泵失效的报警器/气体检测系统，且无可远程操作的紧急隔离阀，导致泄漏未能及时探测与切断
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