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" I '~~\l'V) ,'~ ,,' -. '.c . - ,I ,~"" '*., . ~.(~;/>~ t. ~. ~ ~ ,~.j;?' ~ ~.- _0___ ___ _ .~_ o .,. .,1 ~'~~\ r'l 11'" " , . ~ ";'\~ I~~ ~.\, i' ~l\ ( ~IOO v"" F.J """-L"'"1,., Exrslmo Chmnel Condtic:rls f-' .....;w:. ~,r . - ;.,v' ~:.~~'~t{.:, Existil"lQ 6:xI2~,RCB ~~~ ..........~s~v --G\J\.CI'I ,,~tI- .'~ .. ~~t...!~,~ ", ~,pg~," -1~,,;/.~; l.fil " · .'$"1~t ~<~, .' !hJ/(f ", ". \ ~,~.' " <',')-'. ,I . '" .* ~ .,. r"- ...." ... -#''' I. ~ '. ., I '?it I. f.~ .~.,./ _ .d~ , "'~""" '. ""~,' ". '.1' .-', ..{ ; ,', ," , .. /' E " '.' ","' f.~ ,- , ' ~ ' :1 , f" 4 ~:j,., ,h . y~o "f' "~.,a; II ..' ..' ...,. v~.. ~f,1{I- See Sheet 21 .:,.p \ J,:. . . \ 'V. '~)J . ~ I ,; 'rJ'?:"~ ,.t..j,.}~ . ' ,...:./""- ~, . ~~' 111 .. .,..., :~- ~". ".,. 'f ) '=':?;~ , ~~;, ,~. ~. '. "-"'1 ',' -<' ;, ;4' 1- ;'~jf' 'I,j , '.. '.,' ' I ,';-' ;"~' ;, FI d PI' 7, d A ..t. ..., , ;:"~ "'. 1f::'.,'l1.t.; . ~':n 00 Qln ...,pn~___.rea ~ ~ . ~ ~ 'J' S....r:~rI... '- - . 1!\ ~B , ,. ~~J.1 .,-:' ~...~. ...;. "1 __: ..~9. ~~ ~~. if. , "'Ifr'Y' ;"lJ1Cc ::lJ--,Ji~t~~~:.,.~., ~,- cl~~~~~.-~~, ~A1n" . ~'~c\ '~::'., ~ -., " ..' .~ ~'-~.~. ", If' '."... II~' . 'f{~t"'~~~\" .' .~~.~; '-"i ~ ~,-.~i...f~ H 1""::-"'if(6t .' "-'. ' Vii .....~...., ,- ~ fit' ~ It I~proved Chon~ '. 1.~j:;:"~ HI'~,~' ~~~^ " , I'lm~ '~.;,_IY..'f~....",'" "" ,~'. ,',"', a~, II: iV'" tf::'.~ ' ~,.:K$' " t ~. ,.';"\. ....r.r;-:::; &....':.G., ,100~FIoodPlamLjnlf '.;" 1 .,. ~ ,~~ -"~ ". ~ -8J , if! " " . 'I"~ : .:. :!'"'; c:;_~~,;~~ ....... _ 0 l',:)t~ ~~.,>~ I' 11,j, I '\._"1 I ~', "~I ,1 g Il#l ~,;.-.: . 'It, :', 1~ :;; , ,,'"!h1,' ' ~ ' i): ,r'11 ' ~,f~}i J :'L.i~~~~~" ~ ~ b ~i ~ ~I: l' ~~~';edL%~I~~~":b;'~:rol a Grodm9 . '!!IiI ~.'iftlf"J ~'.:\\'" ~,., I' 'Vi., .... rr e:;: I) ".. Slo 420.00 to Sto 424.00 ~ ~ ~~. fr:" 'T~ l! , DeSIQO Discharge .. 1600 cfs ..' :"'I. ~ ."\ ., f Main Channel ~~~ .~...... ~ ,'._, ~___\-. _ ,,'. d . J Average Ve~ty "8.0 fps . - .~, ~.- I--=' --. - - 'ij~." 'II , ~'-' 'I"" o1'yl1,:), : hi,; ~.,':"JJ -,WI" \ ~~i ~~. , "\ " i.'""-i ,;"" """"""". Check Dam . ,,:, .,.&."" ~,; '-;~'. .P'~i ~". "~~~ ~ (::t~-t:r~. ,,1; . (,,,,1',,," rr .~ ' ~ J'~ _~~~'JI' l,~,:"'\~,"~ . ' ", ,~I'-I!'" ~'l\ ,', ~ ~",,:' l.r~ '",. i~ ). , ~"I;Jt.~t':' .' ',' [>., I.' If.;. ,1,', I/J~" '1 ~, ,nl~"" ,~/. "" . ~"'~' J ,,"J!~, . .':ii "'~' ~ ~ J~...~. ~i . ,. '''II.~ .f"~ $ . k,~"lll II; '..; ,"",'" < , ... "jjt/ ./..~ ~~, ,f) \-, ~ "'..~ J jf . t ,~ ~,...~ '.". "II ,I ' > C', '.' ~l;) I ,,,llj ,. 1>"'{!I. ~~..,:; Gallion Ch cJ eoJo. :;''6 c "L~' ,(,'. "\o'~~ ~I .4'5 .' Gabion Walle Channel~ V J" ROW Wi~t~ 20' ~t.\ '~ ' .. ; .~ r~'.ir ~. '~{....~.~ - ~ '}.W,', ~4'''~ "'1If NOTE' This dfawlnoa II 0 moltlit' pIonnln; ~ lheet repr-...nt~ prelimirMr)' and coraot\lcll , .noI.....'1nQ. It.nall not be lISiId for t toMfn.ld1on purpoMS. ,; OOTE: For Exi$f~ 00 Year Olschl7ge: cn::I other flows. see Masfer Plan Report. " ',7,'[":/ ,"'" ~..~.. ..,.\.. OJ;. '...' '''I' "~~"'~' ~~l: .. ~!~ '~~' .~' ..~., '.- I-~ + . (I),UJ ~ ~t I.t I I.~~-'- -~ ,..,-.. ....f;~W ,~V.i~ 1il"'4! .~~~ ,'~ . if.~'~' ~. t.-=:, 0 ~ A, ~ ~ :~-:, [;.. .(.~f '~" ~ ...i,;;", ~ ,~ ,O~it"'f. 'oOL; _ ~ - ~<<~ ~~~~ - ~~' r. tv, ~ ~~~'~ ~ Jtrilllil J 'fi ~ ~:. Goblon a "Z' 'if .. \....-r,. 100 Year Flood Plain Limit r .': ., ,hr.prOYed COOnneI C~tlO"" __,___.. 0 'u___ .' - .. ~., " ~ IChO'",I""rt --~~ FIller Mot I Cutoffs TVDical Check Dam Detail Scale I ,,~ ~ """:1;,,1 20~2' II 3' I .-- : " 100vr. Wo......IStlrfnrlt Gobion "-' ; I" '" ~ ~ . , ? ~ ~,,: Filter Mati :; "to. , , Typical Imp'oved Chamel Cross Section Sta, 437.50 to 446.50 Scale 1""5' 200 I 20' . SIO. 424.0010 Sto. 450.00 Design Discharge . 550 cis Main ChoMe! Averoge Velocity "10.0 fps , ,6160 .;;.;v /'. ~~:c./V / ~ /" .........V ",../ -- I" = f-- = - ",0/'. ,~ i=' 6150 f--- - =:= / l II l.-'--I-" ' ~ ",-!') c# ;::-. -==-=.~ ,,- . , ,- ':JJ/ V / hO "It" V lY' KO Ye .:: '~ ~F~ ./ ...-V" ./ /' /! V ,/ 6140 ==- -- .. .. /' /' -/'/ ./y VV /VI ,// / ./"'" '" Imp' ed ( hooo I I ' 6130 - ==-~ ..:- ...- '/ /./..........- V........./ '/ 618 6120 , ..:..:-' ::::- -- =- '-, , f--- 619C , .. / /1' /- V--:. /j~ - / . 6110 6100 -:::: ,-- :;/---;, I',~ 'ino .~~ d LVI. / '/./ "" ~I' Vr/ "~- -- ::':::-- " 616 ..-- -,- ... 617C ' 6090 =-- =-~ -=- 7' ./ / 1.- _ 420+00 435+00 425'00 430.00 GROUND CONTROL SURVEY flY' AERIAl. PHOTOGFlAPHY BY' TOPOGRAPl-ilC MAPPING flY' CONTCUl lNTER\lAl,. " llYMPUS AERIAL SURVEYS NC aYMPUS AERIAL !lJR'lEYS lNC. o..'I\lPUS IfHAL ~ lNC. CATE FLC1NN 5-t9-73 DESIGNED ~';;/' ORAWN' CHECKED l.CJt!., REVISED CITIES of GOLDEN, LAI<EWOOD and WHEAT RIDGE URBAN DRAINAGE AND FLOOD CONTROL DISTRICT JEFFERSON COUNTY LENA GULCH DATE' 4',2)?J; DATE' ~/'/7"':. DATE "'1/1.1115' DATE' ENGINEER' WRIGHT. MCLAUGHLIN - ENGINEERS - SCALE '" 100 o I - 62 O' = == 6300 -- --=' 1":":,-- ~.-- -' - "" -- - --:;-- , ~~:-='Z--~= ___ -....:c______ _/('j = - - - ./ -5/- -- --6280 - /,V - ~. ' = -= -= ' - ~. 1-= - - ~ - - 6270 - -- -~~ -== -== -= ~I-- = -, '620-- 620 , Gob' ~ W led 62~=-= --= - :;L: ,.:::. '. r, - ,-=~ -=. 'lI- - _/7. , ;5' - ?"'~ - , --- -= === ---- - 6260 ::::..- ...... - - - == - ~ ~ ~ 6250 ----=---.=-=- I~/, 1/ ... .---- 6240 I - . f.-'=. - -. - - --, , _____=_r=_.~6230 440.00 445+00 450+00 MASTER PLANNING ST~ 420.00 to STA. 450.00 SHEET NO. 20 OF 21