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Control of Industrial Major Accident Hazards (CIMAH) Report Page 2
Ranhill SAJ Sdn. Bhd. Revision 01
Part D: Information on the Potential Major Accident Date Aug 2019

D.3.3.1 Safety Critical Equipment (SCE) .............................................................. 23

D.3.4 Emergency Preparedness and Response Measures ...................................... 25
D.4.0 METEOROLOGICAL CONDITION ...................................................................... 26
D.4.1 Temperature and Humidity .............................................................................. 26

D.4.2 Wind ................................................................................................................ 26

D.4.3 Stability Class .................................................................................................. 27
D.4.4 Weather Profile ................................................................................................ 28
D.5.0 PEOPLE AT RISK ............................................................................................... 29

D.6.0 CONSEQUENCE ANALYSIS & QUANTITATIVE RISK ASSESSMENT ............. 36

D.6.1 Consequence Analysis .................................................................................... 36
D.6.1.1 Source Term Modelling ............................................................................ 36
D.6.1.2 Assumptions Register .............................................................................. 36

D.6.1.3 Physical Effect Modelling ......................................................................... 37
D.6.1.4 Consequences Analysis Result ................................................................ 37

D.6.2 Individual or Societal Risk ............................................................................... 50
D.6.2.1 Generation of Risk Numbers .................................................................... 50

D.6.2.1.1 Failure Frequency ................................................................................. 50
D.6.2.2 Location Specific Individual Risk (LSIR) & Iso-Risk Contour .................... 51

D.6.2.3 Conclusion ............................................................................................... 54
D.6.3 Risk Communication – Local Authority & Community ...................................... 54

Appendix D1: Physical Effects Contour and Mapping ................................................... 55
Appendix D2: Event Tree Analysis ................................................................................ 56

Appendix D3: Individual Risk Contour and Mapping ..................................................... 57
Appendix D4: Information to Public ............................................................................... 58