1. INTRODUCTION........................................................................................................ 3
   1. General........................................................................................................... 3
   2. Document Structure............................................................................................... 3
2. DEFINITIONS AND ABBREVIATIONS.................................................................................... 4
3. REFERENCE DOCUMENTS............................................................................................... 5
4. SCOPE AND OBJECTIVES............................................................................................... 6
5. HAZOP STUDY PROCEDURE............................................................................................ 7
   1. General............................................................................................................ 7
   2. Scope of HAZOP Review with Risk Assessment................................................................. 7
   3. HAZOP Study Methodology....................................................................................... 8
      1. Nodes Definition and Intention.............................................................................. 10
      2. Parameters.................................................................................................... 10
      3. Guide Words and Deviations................................................................................. 10
      4. Causes......................................................................................................... 12
      5. Consequences................................................................................................. 12
      6. Safeguards.................................................................................................... 13
      7. Risk Assessment and Recommendations.................................................................... 13
   4. HAZOP Sessions............................................................................................... 1544
   5. HAZOP Team Composition................................................................................... 1515
      1. Role of HAZOP Chairman................................................................................. 1515
      2. Role of HAZOP Secretary................................................................................. 1616
6. HAZOP REPORTING................................................................................................. 1717
   1. Recording of Minutes......................................................................................... 1717
      1. Format of HAZOP Working Sheets....................................................................... 1717
   2. HAZOP Report................................................................................................ 1717
   3. HAZOP Follow-up............................................................................................ 1818
      1. Follow-up Activity......................................................................................... 1818

Appendix A           RISK ASSESSMENT METHODOLOGY

Appendix B           GUIDELINES

Appendix C           TYPICAL HAZOP      WORKSHEETS FORMAT

Appendix D           TYPICAL HAZOP      FOLLOW UP SHEETS   FORMAT