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Kampung Tengah 2 Water Treatment Plant
The Event Tree probabilities are illustrated below in Figure D.3.3d, Figure D.3.3e
and Figure D.3.3f covering loss of containment scenarios at KT2 WTP.
Chlorine Release Door Opened Scrubber System Hazardous Event / Outcome
Yes Toxic gas dispersion (Door Opened)
0.01
2.40E-05
Yes No dispersion
0.80
No
0.99
No Toxic gas dispersion (Scrubber Failure)
0.20
Figure D.3.3d: Chlorine Drum Catastrophic Failure or Rupture
Chlorine Release Door Opened Wet Scrubber System Hazardous Event / Outcome
Yes Toxic Gas Dispersion (Door Opened)
0.01
6.00E-05
Yes No Dispersion
0.80
No
0.99
No Toxic Gas Dispersion (Scrubber failure)
0.20
Figure D.3.3e: Chlorine Drum 50mm Hole Diameter Leak
4 | P age
