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    • Home
    • HAZOP & SIS/SIL
    • Fire & Gas Engineering
    • Alarm Management
    • Cyber Security
    • About Us
    • Careers
    • Articles
    • FSM Articles
    • Codes & Stds Articles
    • PHA Articles
    • Fire & Gas Articles
    • Alarm Management Articles
    • SIL & SIS Articles
    • Inspection
Watchmen Instrumented Safety Experts
  • Home
  • HAZOP & SIS/SIL
  • Fire & Gas Engineering
  • Alarm Management
  • Cyber Security
  • About Us
  • Careers
  • Articles
  • FSM Articles
  • Codes & Stds Articles
  • PHA Articles
  • Fire & Gas Articles
  • Alarm Management Articles
  • SIL & SIS Articles
  • Inspection

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Services Overview

HAZOP, LOPA, SIL, SIS

HAZOP/LOPA and SIS/SIL Consulting

  • Process Hazard Analysis (PHA)
  • HAZOP, What-If, Checklist
  • SIL Assessment / Determination (LOPA)
  • SIL Verification Calculations
  • Safety Requirement Specifications (SRS)
  • Instrument Proof Test Procedures
  • Functional Safety Assessments (FSA)
  • Quantitative Risk Assessments (QRA)
  • Process Safety Information packages (P&ID As-Built, SDK & Narrative Generation, 3D walk through)

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Fire & Gas Mapping

Fire & Gas Mapping

  • ESD, Fire & Gas Philosophy and Standard Development
  • Emergency Protection System Logic Reviews and Development
  • Fire & Gas Detector Placement and Coverage Assessment (3D mapping/modelling)
  • Annunciation coverage assessments

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Alarm Management

Alarm Management

  • Benchmarking Study
  • Philosophy Development
  • Rationalization & Prioritization Facilitation
  • Advanced Alarming
  • Alarm "Help"
  • Test procedure Development
  • Operations and Maintenance Alarm Training

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CHAZOP

Cyber Security

  • Cyber Vulnerability Assessments
  • Cyber Risk Assessments
  • Control System HAZOP (CHAZOP)
  • Continuous Online Cyber Risk Management

Find out more

Watchmen Overview Video

Click the video below for a quick two-minute introduction on Watchmen

Process and Instrumented Safety Articles

Click the link below to view our library of Process and Instrumented Safety Articles

Library of Articles

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About Watchmen

Watchmen Instrumented Safety Experts (WISE) is a Functional Safety Engineering company with specialized expertise in preventative and mitigative instrumented safety. Our expertise includes HAZOP Facilitation, LOPA Facilitation, SIL / SIS Calculations and Consulting, Alarm Management, Fire and Gas Systems Engineering, Cyber Risk Management.  Consult one of our experts for your instrumented safety project today. 

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