Hold PHearing Amending Kittitas County Code Ch. 14.08_Flood Damage Prevention

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14.08.020 Definitions. Unless specifically defined below, words or phrases used in this chapter shall be interpreted so as to give them the meaning they have in common usage and to give this chapter it's most reasonable application. Accessory Structur, A structure on the same parcel of property as a principal structure and the use of which is incidental to the use of the principal structure. For floodplain management the term includes only accessory structures used for parking and storage. Alteration of watercourse Any action that will change the location of the channel occupied by water within the banks of any portion of a riverine waterbody. Appeal A request for review of the county floodplain administrator's interpretation or application of any provision of this chapter or a request for a variance. Area of shallow flooding A designated AO, of AH, or AR/AH Zone on the Flood Insurance Rate Map (FIRM) with a one percent or greater annual chance of flooding to an average. The base Fla,,& depth range from one to three feet, a clearly defined channel does not exist, the path of flooding is unpredictable and indeterminate, and velocity flow may be evident. AO is characterized as sheet flow and AH indicates ponding. Area of special flood hazard The land in the floodplain within a community subject to a one percent or greater chance of flooding in any given year. Designation on maps always include the letters A. A0. AH. Al -30. AE. A99 and AR. Also referred to as "100 -year floodplain" and "special flood hazard a rea." Agriculture "Agriculture" Is the grazing, feeding, and watering of livestock; plowing, seeding, cultivation, and harvesting for the production of crops and pasture; soil and water conservation practices; the maintenance of farm or stock ponds, irrigation ditches, irrigation structures, drainage ditches, underground drainage systems, fences and farm roads, the control of noxious weeds or other generally accepted agriculture practices, and for purposes of this chapter does not include associated structures and/or appurtenances. ASCE 24 The most recently published version of ASCE 24, Flood Resistant Design and Construction. published by the American Society of Civil Engineers. Base flood The flood having a one percent chance of being equaled or exceeded in any given year. Also referred to as the "100 -year flood." Designation en Fnaps always i.,, udes tho IAtFar n Base flood elevation The computed elevation to which flood water is anticipated to rise during the base flood period. Base Flood Elevations (also referred to as BFEs) are shown on Flood Insurance Rate Maps (FIRMS) and on the flood profiles. The BFE is the regulatory requirement for the elevation or floodproofing of structures. Relationship between the BFE and a structure's elevation determines the flood insurance premium. Basement Any area of the building having its floor subgrade (below ground level) on all sides.