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<br />.". <br /> <br /> <br />-....... <br /> <br />Area Attribute Codes (continued) <br /> <br />Major <br />~ <br /> <br />440 <br /> <br />440 <br /> <br />440 <br /> <br />l. <br /> <br />440 <br /> <br />10/93 <br /> <br />It.. <br /> <br />Minor <br />Code <br /> <br />0153 <br /> <br />015l- <br /> <br />0155 <br /> <br />0156 <br /> <br />Descritltor <br /> <br />Zone AE <br /> <br />Zone AO <br /> <br />Zone AO <br />(Alluvial Fan) <br /> <br />Zone AH <br /> <br />Comments <br /> <br />This code identifies an area inundated by <br />lOO-year flooding, fc,r which BFEs have been <br />determined (parameter' code 4L,1 0-- -). BFEs <br />are usually expressecl in feet: (descriptive <br />code 440 0610). but sere expressed in meters <br />(descriptive code 440 0611) for some <br />communities. The base flood elevation of the <br />areal feature shall be the hi.ghest elevation <br />of the BFE lines bour,ding the area. I t is <br />shown by FIS symbol AlOl. <br /> <br />This code identif'es an area inundated by <br />100-year floodin!; (usually sheet flow on <br />sloping terrain), for which "verage depths <br />have been determined; flood depths range from <br />1 to 3 feet (parameter code L,45 - - --). The <br />depth is usually expressed in feet <br />(descriptive code 440 0610) but is expressed <br />in meters (descriptive code L,40 0611) for <br />some communities. It is sho.m by FIS symbol <br />Al03. <br /> <br />This code identifies an alluvial fan <br />inundated by 100-year flooding (usually sheet <br />flow on sloping terrain), for which average <br />flood depths and velocities have been <br />determined; flood depths range from 1 to 3 <br />feet. The depth is expressed. by parameter <br />code 445 0---. The depth is usually <br />expressed in feet (descriptive code 440 0610) <br />but is expressed in meters (d.escriptive code <br />4400611) for some communities). The veloc- <br />ity is expressed by parameter code 449 <br />It is shown by FIS symbol Al03. <br /> <br />This code identifies an area inundated by <br />IOO-year flooding (usLlally an area of <br />ponding), for which BFEs have been <br />determined; flood depths range from 1 to 3 <br />feet. The elevation (parameter code <br />441 ____j is usually expressed in feet <br />(descriptive code 440 0610) but is expressed <br />in meters (descriptive code 440 06ll) for <br />some communities. It is sho~n by FIS symbol <br />AI02. <br /> <br />40 <br />