File:Fse-prescriptive-design-v3.svg

Fse-prescriptive-design-v3.svg (SVG file, nominally 900 × 600 pixels, file size: 9 KB)

Summary

Code limits that applied to the World Trade Center towers: the maximum travel distance depended on sprinklers and the maximum dead end on the fire rating of corridor partitions. Based on Lew et al. (2005), p. xlviii.

Original vector illustration for Prescriptive design, level 2 Intermediate.

Source basis: Lew et al. (2005), p. xlviii (NIST NCSTAR 1-1, executive summary)
Alt text: Bar chart: travel distance 61 m without and 91 m with sprinklers; dead end 15 m with 1-hour and 30 m with 2-hour partitions.

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

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	17:39, 2 November 2026		900 × 600 (9 KB)	Lisa (talk \| contribs)	Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity

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Prescriptive design

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Short title	Code limits that applied to the World Trade Center towers: the maximum travel distance depended on sprinklers and the maximum dead end on the fire rating of corridor partitions. Based on Lew et al. (2005), p. xlviii.
Image title	Bar chart: travel distance 61 m without and 91 m with sprinklers; dead end 15 m with 1-hour and 30 m with 2-hour partitions. Source basis: Lew et al. (2005), p. xlviii (NIST NCSTAR 1-1, executive summary)
Width	900
Height	600