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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 />. ---h..... <br />--~--, <br />,e."'~~ "'~~ '<' <br />_/"\ ,\/>.~ IJ \.' \ C=l <br />,/ . \/ \ 1\ I L_- -,---- <br />\ '-I D <br />, \ :1\2 ~":\~"~ <br />/~ '~ ?IF. . ~, <br />-' . :"':::>----.z: . <br />~~' ~-- - <br />'~~~-, ',(\.--- , <br />.../ .;P/?' <br />, '/'" ~ \ i\;"52eo , <br />. .-"... .'/. <br />..-i,\ 00\;//' 0_'- "_ <br />I .. ';j/\ . ,-tr-/ (\:,\) , <br />~\\ \J (K \ t I~;~t~_\?)/. 0 \Y'>' , <br />. ."\. \)." C\ 0 """, . <br />~, . .. ~_ \\ V .,~\\ " <br />~ ~ .,: . ",'.;' ~ ~~\'~~\;'~6' 0 r\' <br />. \ .,/~;;r-o. ':.. ..... l \J." V <br />~.,~----. ,~' \, ~ . <br />'" ,~~";..........--., \ '- " " <br />~ / ! '> -- ',' \' <br />_ ,./)0"[>/-, .. ~ <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 />/" <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 />... Or \ 'Ii. \..-/ . <br /> <br /> <br />-,V ~ -. \:~t~~c\ <br /> <br />J..- -1t ., j !' <br />\ , ~ L.J '~"'. ... \' <br />~ ,,: ; 8- - ~~_4 -'\\ . ---. "';;;;::-..'>..\ <br />\ t),.J\/ J;::\ II --~-...: .. <br />~' \ ~/ , ,f/) ----...... '- ," <br />, ~/\ \/~A? / \ [~---c J ? Or <br />--<.~::;.~,-- "~ lJ- q. 151+ <br />". ._~.( ,/'- <br />~. '.,' <br />(' \ \',"~ <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 />_~ ~..- .eeY" <br /> <br />I <br /> <br />...,=c'" <br /> <br />1--- -'-. ~"t--f=" <br />5280" .. .... <br /> <br /> <br />~~ C". <br /> <br />5270 ~ ..= "., m' <br /> <br /> <br /> <br />-~Ift ~ c== <br /> <br /> <br />.m -.. .-= .'_ <br /> <br />58+00 55..00 <br /> <br />F'..... <br />._m =-- <br />....-'-f- . <br /> <br />STRUCTURE IMPROVEMENTS <br /> <br />",----j-~------~ <br /> <br />LOCATION <br /> <br />.,JlA~f~ ROAD _ / <br />RepIoee~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 />\"\ \ .il-- <br />./1C>(:" '.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 />~\,J <br /> <br />~~ <br /> <br />/ <br />'-- <br /> <br />" '''.~ <br /> <br />\ <br /> <br />-~---- <br /> <br />\:/ <br /> <br />. <br /> <br />~ . ~ <br /> <br />,^~_-..~~-.-~~:::;. _~.1. . ':,' 00 ~ <br /> <br />\~\ /~ \\':. ,l" ~,{", <br />'\ / 0\ \ <br />'~'160 yJ..fI_;;'.>'\\ \ . , !\.. \ \ ~ '. <br />/ ~nQel ' \\ ." ./ \ 35' Drop ~,lA ~ \ V . ~z,t <br />ImprOWd....\\ \' Conditions \, \ ,. " . Sto. 29.65 ~"_:: .e~, ~ <br /> <br />-\"-0--'~r~~:2~-:~y \\"3'~OO .. ,,;.,' "~,I ,._~-.~~'~':-</ 8-e~ <br /> <br />- - - - \l'~;() ~ ~ ~ \\ "~~,,o / Sta036ZJ30 "_-~---'- _ _ ~~~sro,'t' <br /> <br />_. _ CJ ": j\/u,oooon Chon~~ ";,,. ...~..-..~.-.~...~~/>;.y.~. " t~ <br />-., '[0",:k 10" ,~~~ \ .;- <br />K ~ ~~- ~~~"~~~-:"~' '~:~47". . ...,;",c ,:'---l J "''''''," : <br /> <br />~~ . r.2~~--- ~ .,' ,. ,_, " <br />v _ '- 0,." <br />.........;... -r---I ---;--\ - .. 00"'" . C <br />-~~-~; c~:~~ ~~-:.~L/.'. __ ~ _"~~_~',~' / ~zt~ <br />~_n - \ ',~ ..........' , <br />\lr~".' ~" <br />: ,,~..: <br />~- '------ <br /> <br />D6 RG RR <br /> <br />.1 <br /> <br />1'.1 <br /> <br />. '~\ \ <br /> <br />, <br /> <br />.~~. /, <br />,- ~. \ <br />, <br />, <br /> <br />r...1 <br /> <br />o <br /> <br />.?~' ~ <br /> <br />", <br /> <br />-'(2;::)' . <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. _, 24 for Typical Impr <br />a....,.. Cr- Section <br />Sta. 28..00 to Sto...58:-JOO <br /> <br />; Thildrawing"isAu__pIarriIlJ <br />.ihMt- r.....ting')~;and CllftClIIpt\Ill <br />enginRring. "shall not be -UMd for 1 'J <br />constrUction~~IO~ <br />.,.\~~, '.pr 100 Y*Jr diIctlarp uming <br />"~~~ond,"""ftowt;. ... <br />.... Ptan Repori. <br /> <br />~7' <br />/, <br /> <br />.... . /") <br />o~ <br />o <br />-" 100 200 <br /> <br />. <br /> <br />. <br /> <br />StG.,28tOO 10 <br />- 3""."'" <br /> <br />Qo <br />8600 ... <br /> <br />100 Year Flood Plain <br />Exlsfin; Channel Conditions <br /> <br />" <br /> <br />AI/.-a. V.1ocity <br /> <br />8.:3 fp. <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 />..--,+=....7'... <br />m.. ..... :/ _",.. <br />__. =-L= .. <br />.:: ...... i-~~ -.... <br /> <br />.............!.......~~.- - <br />.. - .. - .. - ... '".C=-'I' <br />.....c.'._ ..::...... <br /> <br />. .. <br /> <br />.:....... f-- <br />... '-----;7 -c-- .... "~ <br />'c.. ",. ',-roo <br />.~ <br /> <br />~'7'. <br /> <br />"cc <br /> <br />.,' <br /> <br />-~ <br /> <br />.... <br /> <br />:.. <br />- .11 <br /> <br />:/'. r..e . .... <br />- <br /> <br />_m....... <br /> <br />..,1;""c <br /> <br />I--' <br /> <br />.. - .c...... <br /> <br />" <br /> <br />= <br /> <br />. <br /> <br />I. . <br /> <br />'c. <br /> <br />--I- . ... .. <br />I- c...... <br /> <br />'- <br />. - <br /> <br />\. <br /> <br />~..: <br /> <br />I <br /> <br />.=..... <br />-.. .....~....+_. <br /> <br />.=!-.::=......=-. <br /> <br />5270 <br /> <br />'-c- <br /> <br />I <br /> <br />I <br /> <br />IItOUflIDCO'1IT1tOt.lultvntV <br />AERIAL 'H010S""""Y IV <br />TOf'OSII.."HIC IUPPllte .y <br />CC>>lTOUIt UIT(ItVAl ~. <br /> <br />DATE nOWN 8/30/74 <br /> <br />WRIGHT.McLAUGHLlN ENGINEERS <br />2420 ALCOTT STRHT DUNE" COLO""OO 802" <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 />.-'C --: - -- .1-- <br />. <br /> <br />--=- <br />-. - <br />. <br /> <br />~ <br /> <br />.. <br /> <br />C.:cl=-' .. <br /> <br />..-'. ..... <br /> <br />I - <br />..I' '.- <br />.... <br /> <br />='I--~" <br /> <br />.... <br /> <br />.~. <br /> <br />c <br /> <br />.. <br /> <br />f-' <br />. E.=C <br /> <br />5260 <br /> <br />_00 ...c. <br />..:....... <br />... <br /> <br />ml <br />.. .I-.CC. <br />. 'T <br />.....-1 r <br /> <br />...:-.........[ <br />"':C. .u L <br /> <br />... <br /> <br />. <br /> <br />,: <br /> <br />... . <br /> <br />.... -. --' <br /> <br />...,-- <br /> <br />... <br /> <br />-. - <br /> <br />50.00 <br />on'''[D_.JI';;t DATI!: 3-.--5-:7) <br />Pll..... DAT[~ <br />CIllECKI!:D~ IlIlT[~ <br />"IEYISlEO~_IlIlT[~ <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 SIa. 58+00 <br /> <br />SHEET 23 <br />OF 40 <br /> <br />RALSTON <br />SIo. 28+00 <br /> <br />JEFFERSON COUNTY <br /> <br />RALSTON CREEK / LEYDEN CREEK <br /> <br />CITY OF AFWAOA <br />