<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 />
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