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<br />PROPOSEO CHAt.NEl / <br />5261,0 NVERT ELE\IIl.TlON"(FT).I 5266_1- S ' <br />,- <br /> <br /> <br />--, ;~~,-~~ <br />. ,--4-- <br />--~'-' <br />,e''''~~ "'~~ '<' <br />_C--\ ,\/>. ~ IJ \.' \ C=l <br />,/ . \/ \ 1\ I L__..,---- <br /> <br />\ "I D <br />, \ :1\2 ~":\~"~ <br />/~ '~ ?IF' , ~, <br />" . :":::>------z: . <br />~~' ~-- - <br />'~~~-, "(\"-- , <br />.../ '{1-/?' <br />, '/'" ~ \ i\;"52eo , <br />. --"'.' 'c/, <br />,_-;i,\ 00\;//' 0," "_ <br />I ,. ';j/\ . ,-tr-/ (\:,\)_ <br />~\\ \J (K \ t I~;~t~_\?)/. 0 \)">. , <br />. ''\. \)." C\ 0 ."", ' <br />~, . .' ~_ \\ V ,,~,-\ " <br />~ ~ ,,: ' "".;' ~ ~~\'~~\;'~6' 0 r\' <br />, \ .,/~;;r-o. ': '. "". l \J." V <br />~"~----. ,~' \, ~ ' <br />'" ,~~";..........--., \ '- " " <br />~ / ! '> -- ',' \' <br />- ,~_/"-' '. ~ <br />'.__ ,,/ I.,:~"'-:~> / \ III <br /> <br />I <br /> <br />STRUCTURE IMPROVEMENTS <br /> <br />STRUCTURE IMPROVEIENTS <br /> <br />NOLA/>VSTREET <br /> <br />LOCATION <br /> <br />LAMAR STREET <br /> <br />LOCAT-ION <br />---, <br />TYPE OF <br />IMPROVEMENT <br /> <br />EXISTING STfl\JCTURE <br />OPENING AREA (FT') <br /> <br />PROPOSED STRUCnJlE <br />OPENING AREA (FTt) <br /> <br />PftOPOSEO lOW CHORD <br />ELEVATION. (FT) <br /> <br />EXlSTIf+!> CHANNEL <br />NVERT ELEVATICIf4' (FT) <br /> <br />PRO'OSED CHANNEL <br />W <br /> <br />Reploce elUsllng popes <br />w/1l5'bndQoll <br /> <br />TYPE OF <br />IMPROVEMENT <br /> <br />RlIpllICflelUSring",p11 <br />wi 120' bridge <br /> <br />I <br /> <br />'00 <br /> <br />EXISTING STRUCTURE, 50 <br />OPENING AREA__l!~W r- __ I, . <br />PROPOSED STRUCTlfl'E J6ob" <br />OPENING AREA (F~ -- '-_ _ <br />PROPOSED La( C~ <br />ELEVATION.j(FT) 5280,5 <br />EXIST~NNEL <br />tfrNtRT fLE\IIl,TION.(FT 52759 <br />PRoPoSED ,CHAf.WEL <br />INVERT,[t.E\ATICN"(FT <br />REMARKS <br /> <br />1500 <br /> <br />I <br /> <br />5264,~ <br /> <br />~ne <br /> <br />c-- <br />~ <br /> <br />I <br /> <br />REMARKS <br /> <br />.. <br /> <br />...'.....,oIUfoc....... <br /> <br />.... <br /> <br />I <br /> <br />\ "", <br />l <br />)~ <br />~\~ <br /> <br />" <br /> <br />- --- <br />- <br /> <br />----,-~~c -- <br />- - ,;-zv <br /> <br />I <br /> <br />~ <br />~~;'I ~ <br /> <br />// <br /> <br />I <br /> <br />/ .c--.c--/ ~)\ <br />\/ <br />c'\ /\ 1\ <br />P--C-/~,S8 \ c' ~--' _ I <br />0( Or \ 'Ii \..-/ , <br /> <br /> <br />-,V ~ -. \:~t~~c\ <br /> <br />J..- -1t " j !' <br />\ , ~ L.J '~'" '.' \' <br />~,,:; 8-,~~,4_'\\ '-~~~ <br />\ t)'--';\/ J;::\ II ,.~------: . <br />~' \ ~/ , ,f/) -----______ I. I- <br />, ~/\ \/~A? / \ [~---c J ? Or <br />--<.~::;.~,-- "~ lJ- q. 151+ <br />". "~--( ,/'- <br />~. '.,' <br />r' \ \',"~ <br />,\. \ ~ ~ <br />" \ <br />- I. \..,..). <br />DATU~ IS ~EAN SEA LEVEL <br /> <br />11Y <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />J <br /> <br />I <br /> <br />.. '\) <br />, , <br />\-) <br /> <br />~ <br />o <br />. <br /> <br />"" <br /> <br />I <br /> <br />,. <br /> <br />;,,' , <br /> <br />5290 <br /> <br />m. <br /> <br />I <br /> <br />,~ ~..- ,,,,eY" <br /> <br />I <br /> <br />,--,=1-'" <br /> <br />1-'- -'- I ~'t--f=1e <br />5280 -- . ., <br /> <br /> <br />~~ e.,. <br /> <br />5270 ~ 1.1 ,", m' <br /> <br /> <br /> <br />-~Ift ~ c== <br /> <br /> <br />'m -.. '-= '. <br />58+00 55..00 <br /> <br />F'.--- <br />__m =-- <br />,----,-+-- , <br /> <br />STRUCTURE IMPROVEMENTS <br /> <br />,,---,----j-~,-"--~ <br /> <br />LOCATION <br /> <br />.,JlA~f~ ROAD _ / <br />RepIoe_~bridqe <br />w/l~bridge (/ <br />\.___.c-- <br /> <br />1500 ~/) <br /> <br />/--"". <br />,\ <br /> <br />~ <br /> <br />..... -- \~,::::/_:~ <br /> <br /> <br />---------- ." <br /> <br />c <br /> <br />TYPE OF ". <br />IMPROVEMEN <br /> <br />\ EX~T1NG STruCTURE <br />~NG AR A (FT~ <br /> <br />~srD ~ "",'U", <br />~E~EAtfl')' <br /> <br />PRO~~L~,CHCm <br />El.c~.TION" (n) <br /> <br />(XIS I~ CHANNEL <br />NVfJrt ELE......TlQN.IFT) <br /> <br />-/-/ <br /> <br />/_.,- <br /> <br />\ <br /> <br />j <br />, <br /> <br />/ <br /> <br />~ <br /> <br />/ <br /> <br />//\\ <br />C,\ \ .i'-- <br />,/'\(>(:" '.c-- _\ <br />~,/ ., <br /> <br />\ <br /> <br />, <br />""'\ ~, <br />\ <br />'''----- ~/ <br /> <br />.,z~:' Z <br /> <br />52Sr6 <br /> <br />"G~725 <br /> <br />/ <br /> <br />~r Overbank flows n t hydraulically <br />g connected to Main Chon $ <br />~__J <br />--~-- <br />1--" <br /> <br />~".\."" <br /> <br />" <br /> <br />-.--'1 <br />/ <br /> <br />. <br />c,'!'. <br /> <br />Y'J <br /> <br />~~ <br /> <br />/ <br />'-- <br /> <br />" '''.~ <br /> <br />\ <br /> <br />-~---- <br /> <br />\:/ <br /> <br />. <br /> <br />-------- . ~ <br /> <br />,^~,_..~~,,--~~:::;, _~.1. , ,:,." ~ <br /> <br />\~\ /~ \\,:. .l" ~,{", <br />'I / 0\ \ <br />'~'160 yJ'-Flood---f'ICi;;'.>'\\ \ ! , !\. ,\ \ ~ '. <br />/ ~nQel ' \\ ." ./ \ 35' Drop ~,lA ~ \ V . ~z,t <br />ImprOWd....l\ \' CondltlorlS \, \ ,. " __ Sto, 29.65 ~",:: .e~, ~ <br /> <br />'\'--0'~'~r~~:2~-:~y \\!i3'~OO " ,,;,,' .,i' ,,_~',~~'~':-</ 8ce~ <br /> <br />- - - - \l'~;() ~ ~ ~ \\ ~~~"o / Sta.36ZJ30 "_-~-'- _ _ ~~~sro,'t' <br /> <br />_,. CJ ": j\/u,oooon Chon~~ ,,;,!. ...~....~.,,~...~~/>;.y.~' " t~ <br />','! '[0",:k 10" ,~~~ \ .;- <br />K ~ ~~' ~~~"~~~-:'~. '~:~47". . '.',;"" ,:---'l J "''''''." : <br /> <br />~ ~ . r,2~~ ---- ~ " ' ,. ", .. <br />, ,.", <br />____---s... +,--1 __-;__\ . -- 00"'" , c <br />-~~-~; c~:~~ ~~-:'~L/.'. __ ~ _"~~_~',~' / ~zt~ <br />~,- -\ "~"---"'.'! <br />\lr~!.' ~" <br />:. '- ~.": <br />~ '------ <br /> <br />D6 RG RR <br /> <br />.1 <br /> <br />\"\ <br /> <br />. '~\ \ <br /> <br />, <br /> <br />.~~. /, <br />,- ~. \ <br />, <br />, <br /> <br />r...1 <br /> <br />o <br /> <br />.?~' ~ <br /> <br />"i <br /> <br />-'(2;::5' . <br />'~ <br />" <br /> <br />ft4WJr&; <br />/~~ <br /> <br />~ ',. <br /> <br />/ <br /> <br />, , <br />,'- <br /> <br />eo ~i<-,.: <br />I\;~ . <br />,9'/ <br />,. .~'t', / <br />" <br /> <br />/ <br /> <br />".,., <br /> <br />:,\;;:'A.~ <br />: ~~~~. <br />~_// <br /> <br />, <br /> <br />See I _, 24 for Typical Impr <br />a....,.. Cr- Section <br />Sta. 28..00 to Sto...58:-JOO <br /> <br />; Thildrawing"isAa__pIarriIlJ <br />.ihMt- r.....ting~~;and CllftClIIpt\Ill <br />enginRring. "shall not be -UMd for 1 ~ <br />constrUction~~IO~ <br />.,~\~~, '.pr 100 Y*Jr diIctlarp uming <br />"~~~and,"""ftowt;. ... <br />.... Ptan Repori. <br /> <br />~7' <br />/' <br /> <br />.... ' /') <br />o~ <br />o <br />-" 100 200 <br /> <br />. <br /> <br />I <br /> <br />StG.,28tOO 10 <br />- 3""."'" <br /> <br />Qo <br />Il600 ... <br /> <br />100 Year Flood Plain <br />Exlsfin; Channel Conditions <br /> <br />" <br /> <br />AI/.-a. V.1ocity <br /> <br />8.:3 fps <br /> <br />.';-- <br /> <br />'.'"'' - <br />,,- ,,--- <br />'" ,o.c, . -'c:- =--: <br />. ',- <br /> <br />Y" <br />-~ <br />.,ll~__' <br /> <br />/ <br /> <br />~e- <br /> <br />5290 <br /> <br />I <br />.~ <br /> <br />,.-"+___L. , <br />m,__ ;/ ''''''. <br />__, =-Lc " <br />-= ...... i -~~ -.... <br /> <br />.............!,',.,.'~--,-- . <br />.., -- , -- -- ... --,C=-,,' <br />".',:".- "::".... <br /> <br />. .' <br /> <br />.:.'.-.. f-. <br />... ,-,----;7- -c- .... "~ <br />',.. "', '.,m[-__ <br />.~ <br /> <br />~7" <br /> <br />Ieee <br /> <br />',' <br /> <br />-~ <br /> <br />, <br /> <br />:'. <br />. .11 <br /> <br />/". r..e . .... <br />. <br /> <br />_m....., <br /> <br />.',1;"'" <br /> <br />f- <br /> <br />.. -- .c...... <br /> <br />" <br /> <br />= <br /> <br />. <br /> <br />I, , <br /> <br />.',. <br /> <br />--I- '... .. <br />I- C,' <br /> <br />'. <br />, , <br /> <br />\. <br /> <br />~.. <br /> <br />I <br /> <br />'= -. <br />- -- ----.~,..+-- <br /> <br />'=1--'::= ',',,=-. <br /> <br />5270 <br /> <br />'", <br /> <br />I <br /> <br />I <br /> <br />MOUflIDCO'1IT1tOt.lultvntV <br />AEltlAl '"OTOSItA'"V IV <br />TOf'OaItA'"IC 11.11"1._ .y <br />CC>>lTOUIt "'ITEItVAl ~. <br /> <br />DAT[ nOWN 8/30/74 <br /> <br />WRIGHT.McLAUGHLlN ENGINEERS <br />2420 ALCOtT STI'lHTOt:NVEI'lCOLOI'lAOOB02" <br />TH~P..O"'. '303' "&8 6201 <br /> <br />""""'101. INC. <br />.......... <br />..n c..uu ......A.. <br /> <br />7-, <br /> <br />. .... '... "" <br />--= <br /> <br />......... <br /> <br />.m m <br /> <br />-- <br />'- <br /> <br />-- . <br /> <br />.... <br />,~L'= <br /> <br />,';: <br /> <br />--= <br /> <br />'n' <br />,--'--:_-, '1-- <br />, <br /> <br />----=- <br />-- -- <br />, <br /> <br />~ <br /> <br />" <br /> <br />C,C1I=-' -- <br /> <br />,-', ",. <br /> <br />" m <br />--I' ',' <br />'n' <br /> <br />;-- 'I'-~-- <br /> <br />.... <br /> <br />.~. <br /> <br />c <br /> <br />" <br /> <br />f--' <br />. E.=C <br /> <br />5260 <br /> <br />,,, ".C. <br />--:....... <br />... <br /> <br />ml <br />,. .I-,cc' <br />, 'T <br />.....-1 r <br /> <br />,'c..........[ <br />"C' ,_ L <br /> <br />... <br /> <br />. <br /> <br />,: <br /> <br />... . <br /> <br />---- ',-.' <br /> <br />-..,--' <br /> <br />..' <br /> <br />--. -- <br /> <br />50.00 <br />Dn'''I!D_.JI';;t DATI! :J-..-5":7) <br />PIlA.. DAT[~ <br />CII[ClnD~ IlIlTI!~ <br />1l[vIs[D~_D.IlT[~ <br /> <br />.... , <br /> <br />.... <br /> <br />3s.oo <br /> <br />, <br /> <br />I <br /> <br />45.00 <br /> <br />40.00 <br /> <br />30.00 <br /> <br />28+00 <br /> <br />URBAN DRAINAGE AND FLOOD CONTROL DISTRICT <br /> <br />MAJOR DRAINAGEWAY PLAtooNING <br /> <br />CREEK <br />to 510, 58+00 <br /> <br />SHEET 23 <br />OF 40 <br /> <br />RALSTON <br />510, 28+00 <br /> <br />JEFFERSON COUNTY <br /> <br />RALSTON CREEK / LEYDEN CREEK <br /> <br />CITY OF AFWAOA <br />