File:Fse-progressive-collapse-v4.svg

Fse-progressive-collapse-v4.svg (SVG file, nominally 900 × 600 pixels, file size: 11 KB)

Summary

The progression from ignition to catastrophic collapse: each barrier that stops the fire limits the consequences. Based on Australian Building Codes Board (2020b), p. 92, Figure 9.4.

Original illustration for Progressive collapse, level 4 Expert.

Source basis: Australian Building Codes Board (2020b), p. 92 (Figure 9.4 "Progression to catastrophic collapse": redraw, do not copy) and p. 93 (probability of collapse of whole or major part)
Alt text: Flowchart from fire ignition through five barriers, each with a yes exit to a consequence from minimal to severe and a final no exit to catastrophic collapse.

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

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	17:26, 2 November 2026		900 × 600 (11 KB)	Jan (talk \| contribs)	Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity

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Progressive collapse

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Short title	The progression from ignition to catastrophic collapse: each barrier that stops the fire limits the consequences. Based on Australian Building Codes Board (2020b), p. 92, Figure 9.4.
Image title	Flowchart from fire ignition through five barriers, each with a yes exit to a consequence from minimal to severe and a final no exit to catastrophic collapse. Source basis: Australian Building Codes Board (2020b), p. 92 (Figure 9.4 "Progression to catastrophic collapse": redraw, do not copy) and p. 93 (probability of collapse of whole or major part)
Width	900
Height	600