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R311.3.1 Floor Elevations at the Required Egress Doors

Residential Code 2015 of Utah > 3 Building Planning > R311 Means of Egress > R311.3 Floors and Landings at Exterior Doors > R311.3.1 Floor Elevations at the Required Egress Doors

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Landings or finished floors at the required egress door shall be not more than 1¹/₂ inches (38 mm) lower than the top of the threshold.

Exception: The landing or floor on the exterior side shall be not more than 7³/₄ inches (196 mm) below the top of the threshold provided the door does not swing over the landing or floor.

Where exterior landings or floors serving the required egress door are not at grade, they shall be provided with access to grade by means of a ramp in accordance with Section R311.8 or a stairway in accordance with Section R311.7.

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