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Article 10 : Definitions <br /> Section 10 . 1 : Definitions <br /> A de ed Zone AO on a community' s Flood Insurance Rate Map ( FIRM ) with base epths <br /> determined to om one ( 1 ) to three ( 3 ) feet . These areas are located wher early defined channel <br /> does not exist , where th of flooding is unpredictable and indete e , and where velocity flow <br /> may be evident . <br /> Area of special flood hazard <br /> See " Special Flood Hazard Are A) Overlay District" <br /> Area of F - Conditions Flood Hazard <br /> Th area that would be inundated by the 1 - percent- annual - chance ( 100 - year) flood on future - <br /> conditions hydrology . <br /> Assembly Use <br /> A land use providinq space , indoors or outdoors , allowing for the congregation of persons for the purpose <br /> of observing , listening , or engaging in a service , performance , or activity . 27 <br /> Assembly/ Pac agi <br /> Assembly and packaging of merchandise for distribution by mai o <br /> 272 <br /> stadiums , <br /> Gel ' sn ,� azthletin nnnterstheaters and arenas <br /> Bed and Breakfast inn273 <br /> See " Rural Guest Establloshmen1c " <br /> se flood <br /> The od having a 1 % chance of being equaled or exceeded in any given y r . It is often referred to as <br /> the 1002 ar flood . <br /> Base flood a vation ( BFE ) <br /> A determination of t water surface elevations of the base flo as published in the Flood Insurance <br /> Study . When the BFE h not been provided in a " Special ood Hazard Area" it may be obtained from <br /> engineering studies availab rom a Federal , State , or o er source using FEMA approved engineering <br /> methodologies . This elevation , en combined with e " Freeboard " establishes the " Regulatory Flood <br /> Protection " elevation . <br /> Basement <br /> Any area of the building having its floor gra below ground level ) on all sides . <br /> Best Management Practic ( BMPs ) <br /> A structural or non - structural nagement - based practice u singularly or in combination to reduce <br /> non - point source pollution receiving waters in order to achiev ater quality protection goals . ( See <br /> also , Detention Pond a ngineered Stormwater Controls ) ( Unles therwise specified , " BMP " , when <br /> used in this Ordinan , refers to structural BMPs ) <br /> Biosolids <br /> Solid , semi olid , or liquid residue ( sewage sludge ) generated during primary , secon ry or advanced <br /> wastew er treatment processes of domestic sewage that is treated to state and/or fede standards for <br /> ben e ' ial use ( such as land application as fertilizer) . <br /> 271 Definition of land use category . <br /> 272 Now part of the definition of 'Assembly Use' as detailed herein . <br /> 273 Now part of the definition of ' Short Term Rental ' as detailed herein . <br /> Orange County, North Carolina — Unified Development Ordinance Page 104 <br />