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D.3.3 Event Tree Analysis
Kampung Tengah 1 Water Treatment Plant
The Event Tree probabilities are illustrated below in Figure D.3.3a, Figure D.3.3b
and Figure D.3.3c covering loss of containment scenarios at KT1 WTP.
Chlorine Release Door Opened Hazardous Event / Outcome
Yes Toxic gas dispersion (Door Opened)
0.01
9.60E-05
No No dispersion
0.99
Figure D.3.3a: Chlorine Cylinder Catastrophic Failure or Rupture
Chlorine Release Door Opened Hazardous Event / Outcome
Yes Toxic gas dispersion (Door Opened)
0.01
2.40E-04
No No dispersion
0.99
Figure D.3.3b: Chlorine Cylinder 50mm Hole Diameter Leak
2 | P age
