Fire from distillation column rupture
Initiating Event	Multiple
Scenario	Fire from distillation column rupture
Target likelihood	1.00E-08
Cause(s) of Initiating Event	Likelihood of each cause (per year)	General Protection design	BCPS	Alarms etc.	Additional Mitigation	IPL additional mitigation dikes, pressure relieve	Mitigated Event frequency	% Contribution
Loss of cooling water	1.00000E-01		DCS	OP Alarm		Rupture disk	1.00000E-06	9.09%
		1.00000E-01	1.00000E-01	1.00000E-01	1.00000E-01	1.00000E-01
Steam control loop failure	1.00000E-01			OP Alarm		Rupture disk	1.00000E-05	90.91%
		1.00000E-01	1.00000E+00	1.00000E-01	1.00000E-01	1.00000E-01
	2.00000E-01	2.00000E-01	1.10000E+00	2.00000E-01	2.00000E-01	2.00000E-01	1.10000E-05	100.00%
Total Cause Probability	2.00000E-01
Mitigated Probability	1.10000E-05
PFD	5.50000E-05
Reduction	18181.82
Equivalent SIL level	4
SIF reduction	9.09E-04
SIF SIL level	0