File:Fse-quantitative-risk-assessment-v2.svg

Fse-quantitative-risk-assessment-v2.svg (SVG file, nominally 900 × 600 pixels, file size: 9 KB)

Summary

The three terms of the fire risk equation: fire frequency, conditional probability of equipment damage, and conditional probability of core damage, matched to the layers of defence in depth. Based on Siu (2002), p. 5-216.

Original illustration for Quantitative risk assessment, level 4 Expert.

Source basis: Siu (2002), p. 5-216 (Equation 1 and its three-term decomposition; correspondence to fire prevention, detection and suppression, mitigation); Barry (2002), p. 5-188 (general event tree sequence: initiating event frequency, conditional probabilities, consequence likelihood)
Alt text: Event tree from fire frequency through equipment damage and core damage branches; brackets mark prevention, detection and suppression, mitigation.

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New drawing by Fire Safety Academy. © Fire Safety Academy.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	17:42, 2 November 2026		900 × 600 (9 KB)	Jan (talk \| contribs)	Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity

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Quantitative risk assessment

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Short title	The three terms of the fire risk equation: fire frequency, conditional probability of equipment damage, and conditional probability of core damage, matched to the layers of defence in depth. Based on Siu (2002), p. 5-216.
Image title	Event tree from fire frequency through equipment damage and core damage branches; brackets mark prevention, detection and suppression, mitigation. Source basis: Siu (2002), p. 5-216 (Equation 1 and its three-term decomposition; correspondence to fire prevention, detection and suppression, mitigation); Barry (2002), p. 5-188 (general event tree sequence: initiating event frequency, conditional probabilities, consequence likelihood)
Width	900
Height	600