|
<br />
<br /> TABLE 3 {Continued)
<br />C,os. Peak Flow (Cu:,i.~ F~el Il,..r S.",,,,,,lll Slaoe (~'t.NI
<br />Seclion lO.YearFlood 50-YeilrFlood 100.YearFlood 500-YearFlood
<br />LOC.lion Flow Slage Flow Stage Flow Slage FlOw Stage
<br /> CEDAR MOUNTAIN GULCH (Conllnll"d)
<br />lIJ.,lfill 1.1f) li~~IU.(J 1;1111 ';~!IU) .'l.W lj:!!l~.:l 1$;11 (;:!~1:!.9
<br />1O,1l7() 1111 li29.;.1 ,:0(1 1;2\lj,1 !!I~I 6~~1:;.1l ~.II)(I 1,~ml.2
<br />11.2!)1) Ill! r;~J~l.U ii(~1 6:Jm),6 !lZ;, 1::101.2 2,~OO 1,:j()2,;,
<br />1l,7l1) l~'} ltlO I.~) l~J(I Ij:lO:~.1l !r.!,., t;:jn,1.K :!"liHI ii:liH,.ll
<br />12.1}f)(j I~() 6:10';.2 lillO fl:107.1 !)~:; (;:IlIKU 2,!IHI fi:llO,()
<br />12.41>0 IW (i:1I0.2 t~IO (::n2", !r2;. .;:ll~.n :!,~(H) ii:1!t;.:l
<br />12.7iif) '"' fi:ll:J.7 liOn 1;:1](1.2 ~)2,. 6:117.1 2.100 1;:WJ.2 I
<br />12.H7u I.HI 6315.0 6(10 6:117.::0 !):!;, 1~~1!U) 2AOil (;:121.2
<br />12.920 l~lJ r;:tH.O fi1l0 tl:J2l.-1 !~2,; l;:l:~J.6 :!.-l1l() 6:12'2.2
<br />12.!l1:W I.W 6:121.;1 6(~) G:J21.1l 92;. 1i:~22.u 2.-l(~1 li:J:;:l.O
<br />I :l.O~lO 1~(J G:i2l.l'\ 6i~J Ii;,:!!.'! ~~~;; li:l2V; 2.,lj~) fi:~2;l.7
<br />1~.240 1.11) li:l:!"!.2 (;Oll (i:12:l.i1 !)2::> ti:12:L2 2.,1'~1 H:12.;.n
<br />l.~.!jlO 1,111 1;:12.1.2 I:(~) (::l2i1..1 !l2;; t~l2i.;1 2.-1110 iJ:l:!!J,.!
<br />1:<.940 1.10 f>:\)!i.ll (:(10 f;:J2ll,9 ~~~.; l;:l~'!1.6 2. II~) r.:~:Jl.I;
<br />
<br />OBSTRUCTIONS
<br />
<br />Natural ob,lrurl;on~ In r!o.xHlo\\' in<"i,,,jp
<br />trec". bnl<h. and otl",r H'.l!'l'\<Ili"ll ",r"willl(
<br />al<"'>: str~"m<. Durinl(" llorMls. '""I("etatj,,,,
<br />;ml'~dl'; Ooodflnw 'md reoults in h"d,wat.'r
<br />""'ldithmsan<l i!lnea~...J f1"od h~il("h1.l<.llru"h
<br />"r tr~,'" \\"!\~h,'d OUI durin!!: nood~ and ,'",rried
<br />down~tr<'"m cOOJld collect on bridl!:"~ or "llwr
<br />oh'lrlldi"n...thll<,'r<'"tinltadamm;nsrdf,.,.t
<br />and "'.l'rbank flnw. A~ n"",lft",," increa""~.
<br />",,,,,,,,,, of ,ld!ri~ eall d..stro,." hrirl;:;.."r ~au~,'
<br />wal.cr ll"\"el~ tu ris.o hiJ,cher and 'l\(Ir<' rRpidly
<br />Ih"" nnrtlLal. \hu~ eroding and d'''"agi"o:-
<br />alllltmt'nt." approaches. and th., on.d}";"",
<br />r<mnhf'd.ln ;:;..neral.ohstructionsl"cstrict
<br />no",-Inow. ann ma~' ~"u",' ov..roank f1,."..',
<br />
<br />IInf'rcdietabl.. urea. or flood;h~, p()~'Lhi,'
<br />da"'"K,'I"'>rdt'Scrurtio,,offlridKe'''ndoth<'r
<br /><tr,'~m t"'>l\Si"J{~. and i',,-"rc"'l~1 wlocitv or
<br />now intfll'.diatd.... downstream. T.'n br;lllI:e,.
<br />Cll"."" culn.rt.i.onc di""f"\\iurT !larn, and "n..
<br />detention dam in th~ "tud)' arO'" ~()mpri~,'
<br />"h~tn,,-"lion" Co noo.lfluw.. Pcrtin~nt ebta on
<br />tn,"" .lrtwlur<'>! It..... ~hnwn in Table .1. TIll'
<br />df.'ct or "bstructions may lw <t...,n nl\ PIal""
<br />2~J. :l~. *-,. ~1l. ;~). and .1l..I.I, Wat,'r slLrfat'P
<br />d,'vati<>". shown r<'n..(.t th..a"umpti"n Ihal
<br />bri'i!wan.Jeuh...rto!><,n;ngSl"llll1ajr\lHLUb.
<br />,tmcl...1 by fl""d I"Jr,,<' dt'br;s flr d~[~"ils of
<br />,a'l<! and '<'<Iifl"'fll.
<br />
<br />I
<br />
<br />22
<br />
<br />".k,""..~',,,,,.,,~,,,, . 'I \' " ,'''.,
<br />'A'.'""....~,_.,."""'.,..,,,..,' '"'"",''","I~.,.,,,,,,''''''l,''''~.~''''' s",~."~,.,,, .".,. ~..~ .
<br />..".~...., h' t" .
<br />. A.~,~",.."",,,. ",Jr..,,,,,..," ,,,",""-,,(),,,,,..\'.~.....,...,"",....~....r~",, ,.~", ..'.M,',L,... '~""~
<br />\_""~w""..........-h''''''''',I''",f_<).~':,h,",.,<I''~I..M",.",",,,~''.''''''''..'''''...","""".'.1'',.....,,,....,,'"
<br />".....~< ,".;""",,,,,.,". l'._ ".I.....k.
<br />.._.....,.........,..",.......".""."".~ ,'.''''...,.....,...",,,
<br />, .",,,...."",.......,',.""",,t,,'.,."",,.,,',........,.."~'..,
<br />'T<.""..,,
<br />T......_..'"
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />14oft""c~llon
<br />
<br />I
<br />
<br />r,",,,~, 1~""I1Q;
<br />
<br />I
<br />
<br />l"i'."3"....,.,brld"'.
<br />1J.."n".'& R"l;,~",l~
<br />\\.",""nRaII"".l
<br />....",ChS1,..,..1
<br />l',S. Ill"",...). .In (~:3'U
<br />U,';.lli"-hw,,,",I"t\\''''1I
<br />1\.;<'''''l.w3yl
<br />f"oo1brid.,n-
<br />foolh,;,J1!"
<br />s",...n'hSln..C
<br />T~nch Sln~'l
<br />P';",...di.......nd",,'
<br />I'r:,'a..."".,..,..brid",.
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />l't.",'lli~h"'''.I.I:!.'U'.
<br />l'>-i"3C"""""""
<br />Thlr1,..nlhS,....t'
<br />1"'''.nlM>n,Ia,n
<br />
<br />I
<br />
<br />I
<br />
<br />l'1.t"lIi,,-h-arl;l',.'"
<br />rri,'~"'''''''''''''.
<br />l'.;,."".~,,<,.,,,'
<br />
<br />I
<br />
<br />tl.~. Ihl<hwa)' .1'"
<br />S'al..lli"hw....,.:\.;:,.
<br />~',,,'h,,"....
<br />~bIMSI"""(.
<br />S,.,'" Ui<<h"'a~. :\:.,.
<br />P'inl..~.......'.
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />I
<br />
<br />lcc.t!o..'
<br />
<br />Ill>.!"
<br />
<br />2.7.1.'>
<br />2.%Cl
<br />
<br />:1,0:,"
<br />,1..tO<)
<br />4iJ~o
<br />
<br />5,~!':,
<br />5,9~<I
<br />I;"~)
<br />~,~,"I
<br />ltl,~~5
<br />1\,'00
<br />
<br />r,,;;)
<br />1,:;'00
<br />2,1111
<br />:u""
<br />
<br />"
<br />")'
<br />,;.r.LX>
<br />
<br />~,\~:.
<br />0,t9<1
<br />~m..
<br />';,~~I
<br />~1,2';iI
<br />]~.%',
<br />
<br />TABLE 4
<br />
<br />MANMAOE OBSTRUCTIONS.
<br />
<br />Un,,",.
<br />St'..mtlodcl....n.o'
<br />
<br />YAMPARIV(R
<br />
<br />1;1';;1 611~
<br />
<br />FORTIFIl;U'ONl;RHX
<br />
<br />"1T5 ~I""
<br />'a76 Gl$l;
<br />
<br />,ar; GllOi
<br />til.~ Gl(1)
<br />6m 6191
<br />
<br />';l';~ til9lJ
<br />~\"'l tiln
<br />6t..\ 61~1
<br />';1>;0; 6]9>1
<br />f.\,., 61!),;"
<br />!Il90., 620";
<br />
<br />BROT><~RTOr< GUlCH
<br />
<br />';~12
<br />
<br />"21~
<br />6:!!t
<br />"2-H
<br />6:.->;)I~
<br />
<br />"~.!"!
<br />
<br />.;;l:r1
<br />f,:/j2
<br />
<br />PIN(RtDGtGUlCH
<br />
<br />'<I>'b
<br />';191
<br />.m:
<br />
<br />r.t'l:'
<br />619.1
<br />6:!".IU
<br />
<br />CEOA'lMOVNTAINGVll;H
<br />
<br />';:!l~l
<br />62".";
<br />"l:U
<br />';~.l~
<br />ti~l;
<br />,,:lH
<br />
<br />(,20',
<br />fJ2:!V
<br />,;~,.,
<br />"tr,t
<br />S:r;8
<br />lC~l~
<br />
<br />2~!
<br />
<br />t'.'AlI,>,,'
<br />Top'"
<br />'lo.d...y'
<br />
<br />G(;~'
<br />
<br />til~
<br />til9(,
<br />
<br />til!"
<br />"I'I~
<br />"19:;
<br />
<br />"I'~
<br />"19~
<br />til'l~
<br />6:!i~'
<br />"1:18'
<br />ti:!tl,
<br />
<br />62Hl
<br />6;!~:,
<br />G"!~';
<br />6"2';!l'
<br />
<br />.il"5
<br />(,1"7
<br />6"!"'!;1
<br />
<br />r.~12
<br />Gl'H
<br />ti2'"
<br />';2:'2
<br />~
<br />1,12"
<br />
<br />")(I.y."
<br />FlOOd
<br />
<br />6\7;\
<br />
<br />01"1
<br />1;\"1
<br />
<br />I;J~7
<br />li\>'><
<br />"l"~
<br />
<br />61'1\
<br />"1\'.1
<br />61\0.1
<br />;;19~
<br />'ie",,1
<br />"2<17
<br />
<br />6217
<br />,,!~7
<br />6~~7
<br />,,2'i2
<br />
<br />61iil
<br />',li'-"
<br />"~~ I
<br />
<br />6~n~'
<br />o~:l:l
<br />I;~;\~I
<br />6tr.:,
<br />(;~~I
<br />0"2"<
<br />
<br />~OC.T'"
<br />,,-
<br />
<br />';Oi
<br />
<br />;;1"..
<br />61~
<br />
<br />61'"
<br />6t')2
<br />6192
<br />
<br />619~
<br />"t9.
<br />.;lns
<br />ti:/l~1
<br />"2''"
<br />(,210
<br />
<br />.m,
<br />o~:l>\
<br />r.2~"
<br />o:!';'l
<br />
<br />,a'll<
<br />';l!1'I
<br />1;2"L.:>
<br />
<br />'m"
<br />6!:1~.
<br />"2'~
<br />ti!r.o;
<br />r.~
<br />"-1:1:\
<br />
|