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DIAGRAM 2B:DIAGRAM 2A: <br />All single- and multiple-floor buildings with basement (other <br />than split-level) and high-rise buildings with basement, <br />either detached or row type (e.g., townhouses); with or <br />without attached garage. <br />Distinguishing Feature – The bottom floor (basement or <br />underground garage) is below ground level (grade) on all sides; <br />most of the height of the walls is below ground level on all sides; <br />and the door and area of egress are also below ground level on <br />all sides.* <br />All single- and multiple-floor buildings with basement (other <br />than split-level) and high-rise buildings with basement, <br />either detached or row type (e.g., townhouses); with or <br />without attached garage. <br />Distinguishing Feature – The bottom floor (basement <br />or underground garage) is below ground level (grade) on <br />all sides.* <br />Distinguishing Feature – The bottom floor is at or above <br />ground level (grade) on at least one side.* <br />All raised-slab-on-grade or slab-on-stem-wall-with-fill <br />single- and multiple-floor buildings (other than split- level), <br />either detached or row type (e.g., townhouses); with or <br />without attached garage. <br />Distinguishing Feature – The bottom floor is at or above <br />ground level (grade) on at least one side.* <br />All slab-on-grade single- and multiple-floor buildings (other <br />than split-level) and high-rise buildings, either detached or <br />row type (e.g., townhouses); with or <br />without attached garage. <br />DIAGRAM 1A:DIAGRAM 1B: <br />* A floor that is below ground level (grade) on all sides is considered a basement even if the floor is used for living purposes, or as an office, <br /> garage, workshop, etc. <br />BUILDING DIAGRAMS <br />The following diagrams illustrate various types of buildings. Compare the features of the building being certified with the features shown in <br />the diagrams and select the diagram most applicable. Enter the diagram number in Item A7, the square footage of crawlspace or <br />enclosure(s) and the area of flood openings as indicated in Items A8.a–f, the square footage of attached garage and the area of flood <br />openings as indicated in Items A9.a–f, and the elevations in Items C2.a–h. <br />In A, B, C, X and D zones, the floor elevation is taken at the top finished surface of the floor indicated; in V zones, areas seaward of the <br />LiMWA, and in other areas regulated for coastal flooding hazards, the floor elevation is taken at the bottom of the lowest horizontal <br />structural member (see figure at end of instructions for Section C). <br />FEMA Form FF-206-FY-22-152 (formerly 086-0-33) (10/22)Page 17 of 19