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<br />~IOO YEAR FLOOD;HAZARD AREA LlMITS
<br />MATCH LINE ,/ (IMPROVED ,~ANNEL CONDITIONS)
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<br />; of,!, DROP STRucfuiE
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<br />NOTE
<br />
<br />lHIS DRAWING IS A MASTER Pl.ANNING SHEET
<br />AND REPRESENTS PRELIMINARY AND CONCEP-
<br />TUAL ENGINEERING iT SHALL NOT 8E USED
<br />FOR CONSTRUCTION PURPOSES, SUBJECT TO
<br />CHANGE
<br />
<br />\ '_', 3' DROP"",." RUCTURE
<br />, /", ! / STA.;-~14PO
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<br />~~~D;:~~4TH AVE \\'.'. \~'~'/'~\ [ \NFR~~'nIS~A\~'
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<br />~~:N9S:~~ON TO CONCRETE CHANNEL ; .) j\ [I STA:h~~\
<br />...<< " \", \ ~RIDGE I RAILROAD SIDING\ ......
<br />3'OROP'STRUCTURE j, ,'<,<,:: $T~.2.74 ...,\1,':
<br />STA. 11 . 20 ( ',/. ': \ I '.,\\' "
<br />GRASS LINED CHANNEL I '
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<br />I ITS~CTUAlj. LOCATION, TO/tiE DET M~~ "'"
<br />-~_ '" ~E FINAL',pESIGN; SHOULO BE OYT E....~
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<br />, l.a '0* CHANNEL 6i?GI (' 1 [) V,,;,
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<br />,/ jI , , ~ ~ ~ il/:-'.:;-;': ~- -- /' --'-"'_
<br />I \ I) " J ; ~~}fI~"" /11>r';<~ EXISTING STRUCTURE /,;>: ~/-,~j //.' ,Ir.<.':.')
<br />) ',-- \ I J "'l""':-----... 11//" ,~:'. -I DESCRIPTION- 84-. CMP " 1;14"... C~.e<.
<br />)i 0;1/ ' \ J' //! ~/ .-'1 OPENING AREA- 38.5 SQ. FT. 38.5,go:n,
<br />\ , / IJ /~''''''''''. ,',~ / 1 ........ ~U {~i~
<br />I ! 'It~ / - ~~ % _ / ___ , ' 'j j'.'. /, ,." PROPOSED STRUCTURE
<br />'... ' ''h. ----,,' I 'I ~'" ..,;' - DESCRIPTION\ SPAN OVER CONC. CHANNEL SPAN OVER CONC.CHANNEL
<br />, "j' :-..~ _ ;.-QP,ENING AREA 385.5 SQ, FT. 385.5 SQ. FT
<br />, ,f/DESIGN DISCHARGE 3150 CFS 3150 CFS
<br />140' R,QW
<br />......25 YEAR WATER SURFACE ~ ,'RE:."M:'"A~S' REMOVE EXISTING
<br />/ [I' FREEBOARD ~ _.' ,''''- CULVERT - PROVIDE
<br />- - "'1:, I~~_ ~ ,~ _ ,::--..~ -,.. TRANSITION UPSTREAM
<br />- /FLO~WLlNE 3 1 15' ,_ '_:',,\<~,::-{:"_"_,::_;;::=--_
<br />,~... w-.~2 4 I " ,,'WV' i I /' "'--:-;;~
<br />5/r'100\ 0 /' 100 /200 300 ,4 j /
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<br />CULVERTS
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<br />/25 YEAR WATER SURFACE
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<br />135'FREEBOARD
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<br />CHANNEI..-t.f'ING .
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<br />STA. I +00 TO STA_ 9 .15
<br />100 YEAR DISCHARGE' 4595 CFS
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<br />"80 f :" ". I I ; , . .1. t"w OYlcrll_j INVRRT- . "L" , . I",h: --." 'C," . - 1.::.1 ;" ",,,-. ..+ ~r ~ "80
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<br />23+00 20+00 15+00 10+00 5+00 0+00
<br />
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<br />
<br />ITYPICAL IMPROVED CHANNEL CROSS SECTION-
<br />
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<br />6110U"0 ~O..T1l0L $uIlVE1 81' CR M(x}R<8~$SOCI~rES
<br />AERI,l.L PHOTOGIIAPMT B"l! IWCEIM 8 JJS$OC/~TE$II\IC
<br />TOPOGIIAPHIC MAPPING BY KUCERA a ASSOCIMF5,/M:
<br />CO'HOUIl "nEfWAL 2' DATE FLOII'N,4-21-77
<br />
<br />B~ merrick and company engineers
<br />D~D 10855 east bethany drive. denver, color~do
<br />
<br />OESIGNED....f!QLDATE~
<br />DRAWN~DAlo~
<br />GHECKED....J2G___,OATE~
<br />RFVIS(~~DATE__
<br />
<br />URBAN DRAINAGE AND FLOOD CONTROL DISTRICT
<br />
<br />JEFFERSON COUNTY CITY OF ARVADA crn OF WESTMINSTER ADAMS COUNTY
<br />
<br />MAJOR DRAINAGEWAY PLANNING
<br />LITTLE DRY CREEK
<br />
<br />PLAN a PROFILE
<br />LITTLE DRY CREEK
<br />STA. 0+00 TO STA. 23 .. 00
<br />
<br />SHEET 18
<br />OF 30
<br />
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