// CODE SNIPPET
722.3.4 Concrete Masonry Lintels
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Fire-resistance ratings for concrete masonry lintels shall be determined based on the nominal thickness of the lintel and the minimum thickness of concrete masonry or concrete, or any combination thereof, covering the main reinforcing bars, as determined in accordance with Table 722.3.4, or by approved alternate methods.
OF LINTEL (inches)
|FIRE-RESISTANCE RATING (hours)|
|10 or greater||11/2||11/2||11/2||13/4|
For SI: 1 inch = 25.4 mm.
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