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<br />The fte>e>d H"?,HJ Ar~a Cl.:lp [n,k~ ls u~eful I:> ,.,,:.nin,: tilt' v.Hiou~ fl<}(ld <br /> <br />Typical Valley Cross S~ctlons <br /> <br />h,u,ud €xh:lh1t.. ln rcspea to the ~t"dy ;HQa. Th" l"~"tL}[", of ftn"d h,'~ard <br /> <br />Cru"~-'e~ti"rlS far "a~h str~am ar~ d~slgn,'t"d atphab"Uc;<.lly, 6t"rting fr<>rn <br /> <br />...r~il "laps "-nd study ru..,~h~s "r~ i1l\J~cr"t"d Oll the l'I""d ii.~z"rj ,\",,, :-tap <br /> <br />thedownstreaillendofeachstudyreach. Thefollo'..-1.-.gorderhol" beenuaed: <br /> <br />Ind~K. <br /> <br />Se~tion A, 8, . . , Y, Z, lVI, AB, etC. The dealgn"tlon se'l\le"c" 1s ulllq\l~ <br /> <br />f"r C3ch reach. ''''i~h the except ion of ~ta rt.i ng and end "nlnts, the dcsign,~- <br /> <br />Ho"d Profiles <br /> <br />cIon h no~ cartied ovcr fro", on" reach ~o .~tloth~r. <br /> <br />in aJ.lltlon to tlo" I~O- dllJ 300-y~,.lr fr~'lu"ncy floc>ds, hydr;,ullc studies <br /> <br />were made "n tho 10- anJ 50-y""r ~~,,~t~. l~forill~tl"" ~e!la~dina th~se <br /> <br />E"hibltBisaselect1"!l"ftypic"lv"lleycross-a<lcti"ns illustratlngthe <br /> <br />smaller floods 18 especi;,lly useful for ~ngln"ering design purp""es rdated <br /> <br />conflgurat1on "f stream channels and adjoining flood plain a<~as. Shown 0" <br /> <br />to ro,~d~, ~t"n. ~ew~r$, ch"nnels, ""d "ppurtenant Hructur~s. Flood pro- <br /> <br />the cross-sections are the elevations and Lateral ~l<tenC for the 100- and <br /> <br />Hie., for tl,e varlo"" f<"qlleacy fl"od" .H~ Included in this report as <br /> <br />50o-year flood event". <br /> <br />P.l<hIb1t 1<. For inform"tlon rGgarding flood elevatlOM "t s spedf1c 1000,'- <br /> <br />tlon, th" f10nd profll~ ,bta c"n be \Jsed In c"nj"nctton wtth th~ flood <br /> <br />Flood Frequency-Elevation and Dlseharge D~ta <br /> <br />h"z~rd area MpS. Th~ ccoss-sectlon toca~IQn" "hlen appear "" both th" <br /> <br />Tablal,pagaslthroUllh12,includafloodcrastelcvat1o""ar>dpeak <br /> <br />pr()flt~g "nd ~'ps ean be used '''' rd"r""e.' jJobt~. FlOc>d hu.ard .Hea sh~"t <br /> <br />dtachacges for the lO~, 50~, lOO~, ,'nd 500-ye.H floods. T"b"t.~t"d <br /> <br />"",ok <s, compat II> le ...{ tl1 c r"~s-",,,<:~ (on loe~, ions, are ,hO><Il 00 ..."ch flood <br /> <br />InforllLHion 10 intcnded for use In conjunction with the "atH sud"oo~ <br /> <br />profile ""hlblt. <br /> <br />profile" ar>d flood M,ard area MpS. To.<: Infor""'tlo<l ls cOillpatlb1e with <br /> <br />r<.'aeh r\cl(QI)e<s ROO c<')"s-~ecCIon desll\nat lOllS. <br /> <br />As a general guide for "d.."t,nl"" puC['"".s, the ["llo"tng d"sl~ll"clons "re <br /> <br />,~s~tgned to str~il," rl'aches, flood i"'".~rd :H",~ "'''ps, and crose-secctoCls. <br /> <br />l'l.OOO ron:NTIAL -l'UTURF. O)NDITIONS <br /> <br />R""ch <br />Number <br /> <br />FlouJilazacd,\r"a <br />~~p-Sh~~t ~"mbers <br /> <br />Cr,,~",-S"ct [o,'s <br />D"glgn"tiO"", <br />, ~hr',uHh " <br />:1,RA thrll "" <br />fl(l,C'\ thr" ". <br />CL,U,; t:,~" " <br />IX;, ~A t'lr'~ ~N <br />E~,l',; thru FG <br /> <br />The dfects of ""tecshed 1aod use chaLlg~s a"tIdpat~d "itl,l" the """c 10 L" <br /> <br />20 year" ,"",co analy""d In relntlon to fut\Jr~ flood heights. lnfon.a.tlon <br /> <br />regardIng lanJ ,,"" ~nd ""p""t~d devdo~""'nts "~r" ontain"d fro'" tha .Chaffee <br /> <br />, 1,2,1, H <br />; '. >. ; , <br />, " , <br />; '. '. ; ., <br />. H CO <br /> " <br /> <br />County Comprehensive P.b,,-197~" prepared by th~ Upp~r Arka<lS~" Ar"" Goutlell <br /> <br />of Gover,,,,,,,,,~~ and Chatf"c' County. Comp'HI~on 'Jf prcs"nt ,,,,d futnr~ <unoff <br /> <br />da.t~ .I,o",,,d ln~li\n1flc~llt diif"r"",,,," fro", prc>joa,>d Ch~llg'" In 1.1"d n~". <br /> <br />~Hj"n"I(< fnr 1"h~"~ r"~"lt" ~r~: (I) p~"t>~tl"l d,'v"lnl''''~nU o1r" bc",,,ct In <br /> <br />" <br />