File:Fse-passive-fire-protection-v3.svg

Fse-passive-fire-protection-v3.svg (SVG file, nominally 900 × 600 pixels, file size: 7 KB)

Summary

WTC example links specification, thickness and fire rating. Based on National Institute of Standards and Technology (2005), p. 12.

Diagram for the article Passive fire protection (Fire Safety Academy wiki, level 1 Basic).

Source basis: National Institute of Standards and Technology (2005), p. 12
Alt text: Specification links finished insulation thickness to 3-hour and 4-hour member ratings.

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

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	Date/Time	Dimensions	User	Comment
current	15:59, 2 November 2026	900 × 600 (7 KB)	Sanne (talk \| contribs)	Watermark: Fire Safety Academy logo icon, 70 px, 45 % opacity
	09:02, 2 November 2026	900 × 600 (7 KB)	Sanne (talk \| contribs)	Add modest Fire Safety Academy logo-icon watermark
	08:08, 2 November 2026	900 × 600 (4 KB)	Sanne (talk \| contribs)	Upload fse-passive-fire-protection-v3.svg: diagram for Passive fire protection (level-1 visual plan V3)

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Short title	Specification links finished insulation thickness to 3-hour and 4-hour member ratings.
Image title	Flow from left to right. A specification document, in which the paragraph setting the requirement was later omitted when it was rewritten. It required finished thicknesses sufficient for a 3-hour rating for support beams and steel deck and a 4-hour rating for pickup girders and columns. On the right, a column and beam with sprayed insulation and a depth gauge checking the installed condition. No thickness value is implied by the ratings.
Width	900
Height	600