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// CODE SNIPPET

722.2.2.2 Multicourse Floors

Building Code 2018 of Illinois > 7 Fire and Smoke Protection Features > 722 Calculated Fire Resistance > 722.2 Concrete Assemblies > 722.2.2 Concrete Floor and Roof Slabs > 722.2.2.2 Multicourse Floors

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The fire-resistance ratings of floors that consist of a base slab of concrete with a topping (overlay) of a different type of concrete shall comply with Figure 722.2.2.2.

FIGURE 722.2.2.2
FIRE-RESISTANCE RATINGS FOR TWO-COURSE CONCRETE FLOORS

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