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HAZOP Analysis

IEC 61882:2016 / API RP 750

HAZOP Study Tool
Systematic hazard identification per IEC 61882:2016 using guide words and deviation analysis. Applies 5×5 risk matrix per API RP 750 and OSHA 29 CFR 1910.119 (PSM) requirements. Generates causes, consequences, safeguards, and risk rankings for midstream gas processing nodes.

Node Information

e.g., V-101

Design & Operating Conditions

psig
psig
°F
°F
MMSCFD
lb or bbl
ppm
mol%

Deviation Analysis

IEC 61882 Guide Words:
MORE/LESS: Quantitative increase/decrease
NO/NONE: Complete negation of intent
REVERSE: Opposite direction or action
PART OF: Incomplete or missing component
AS WELL AS: Additional (contamination)
OTHER THAN: Different from intended
EARLY/LATE: Timing deviation

About This Tool

Systematic hazard identification for midstream gas processing per IEC 61882:2016, API RP 750, and OSHA PSM (29 CFR 1910.119).

Methodology:

  • Guide Words: IEC 61882 deviation prompts
  • Risk Matrix: 5×5 per API RP 750
  • Safeguards: IPL credits (PSV, SIF, BPCS)
  • Setpoints: Per API 520/521, API RP 14C

Key References:

  • IEC 61882:2016 - HAZOP methodology
  • API RP 750 - Process hazard management
  • API 520/521 - Relief device sizing
  • OSHA 29 CFR 1910.119 - PSM