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<br />
<br />~~.~~~/;
<br />~~(" 'J,,,,O
<br />.
<br />
<br />NOTES
<br />I. THIS DRAWING IS A PLAN~ING SHEET WHICH
<br />REPRESENT. PRELIMINARY ElfGINEERING AtilO
<br />SHOULD NOT IE USED FOR CONST~UCTlON.
<br />
<br />2. 100 YEAR STORM PROFILE SHOWN IS .ASED ON
<br />,)OMPLETIOH ..~~Ro.J,~CT FEArREO,
<br />
<br />
<br />~~240/
<br />/1
<br />(
<br />
<br />.
<br />~
<br />.
<br />2
<br />
<br />~
<br />OJ>
<br />0'
<br />"
<br />
<br />'"
<br />~
<br />
<br />"'0
<br />
<br />"'0
<br />
<br />''''
<br />~
<br />
<br />=v-
<br />c-
<br />
<br />,.... ,
<br />~,..
<br />
<br />/' _~ !:. 1 :c:t "/00 YEAR rL~W OiI.Tll
<br />AASS SLOPE - e'
<br />-, ~
<br />-~ Ie 12.5
<br />,:,'< ': - ,~ :1./ . I~-': ;:,. >- ,;~
<br />I. ..... .::.::.....~ '-r ,.....-;........... ,..
<br />~I
<br />
<br />-1--- j~ Y~AR7l0W~DEP~Jt.,"3:~f
<br />
<br />PROVIDE ~~ 6' DIKES AS NECESSARY,
<br />=. UTILIZE NATURAL SLOPES INSTEAD _
<br />= WHERE PO'SlBLE TYPICAL CHANNEL SECTION
<br />STATION 125+00 TO 137+00
<br />'rut', :j::::-_+
<br />
<br />I.
<br />
<br />I.'
<br />
<br />-~-
<br />
<br />---.
<br />'~.
<br />.- I.
<br />
<br />\'
<br />;;:j
<br />
<br />=-=='=',.A"', 'S(O'~E .. -'l.:::,:.t: ==--J:=:
<br />ct=-t=-c ' , . "--:+_
<br />' . ~ ,r-'::.::f..=.=!:, , '_
<br />
<br />~-~
<br />.1
<br />
<br />AS-;~A.:~t P..iJ.i;."1 L6T
<br />-t--, -' -"_4' :1"-
<br />_t', \
<br />=:.1-=-
<br />=r
<br />
<br />.=l c:-r9:.=-t '
<br />-,. .L---'----T-t .C
<br />
<br />~:. ...
<br />
<br />......
<br />
<br />...'."
<br />
<br />.....
<br />
<br />-: TYPICAL CHANNEL SECTION
<br />STATION 108+50 TO 122+00c~
<br />
<br />I
<br />'4 :
<br />"d-
<br />
<br />.:L: ,('" ,,"
<br />
<br />
<br />, ""
<br />.- ..:
<br />
<br />;,.:
<br />
<br />.'~ .
<br />
<br />.....
<br />
<br />2~.O'
<br />
<br />lEFT
<br />"
<br />
<br />BANK PAOFiL~
<br />t::-__~'-PROVIDE FOR
<br />TO EL.~Z20
<br />
<br />DikE
<br />
<br />RAISE B~ TH_ AVENUE
<br />.-::TO El:.~22~ ~- ~IKE
<br />
<br />.
<br />
<br />=--=- -0 t-:-~--
<br />
<br />SECTION A-A
<br />
<br />----cc -
<br />
<br />~'
<br />
<br />~ LEFT BANK PROFilE.....'
<br />
<br />',.'" - 1\"
<br />
<br />~:'
<br />
<br />100 YEAR FLOW PROFILE
<br />'" =-1=
<br />
<br />- i~PHALj PAVEMENT-
<br />
<br />-. I/i IMy : AV NUE :=!5~
<br />
<br />-'
<br />EXISTING'
<br />, ,
<br />
<br />'UU '
<br />~6" CM CULVERT
<br />DISCHARGE CAPACITY 40 efs
<br />
<br />REMOVE EXISTING CUlvtRT AND
<br />REPLACE WITH DOUBLE 15'. 10' ~
<br />BOX CULVERT. DISCHAR E C PACITY.870 ell
<br />
<br />0-
<br />
<br />c=-:c,.::
<br />
<br />""--=
<br />
<br />741. -
<br />
<br />",00
<br />
<br />:I=tc=:-t'-
<br />
<br />5TA.125+00 TO 137+- 00 _.
<br />10 YEAR STORM DISCHARGE.. 73~ eft
<br />10 YEAR STORM VELOCITY . 5.8 hi
<br />100 YEAR STORM DISCHARGE. B70 eft
<br />'00 YEAR STORM VELOCITY .6.0 'PI
<br />DESIGN STORM. 100 YEAR STORM
<br />
<br />---:
<br />
<br />- -.:~;;--- -
<br />
<br />-- EXISTING1 CHA~NEL lNV;;T ~ - ~. -~ -_:.: ~ -:-:.:- -
<br />~~t- -r ,- - -~ PROPOSED CHANNEL INVERT'-
<br />--=:.:-- - -.:...-tSTA,IOB~50 TJ 122"'00 ~ ~ ~_ ~---- t -.....--
<br />t:==- 10 YE4R STOR'" DISCHARGE . 86~ eft '.:..: _ _ ===::_
<br />10 YEAR STORM YELOCITY . 5.7 'PI
<br />I~.=~ - 100 YEAR STORM DISCHARGE. 1270 crl
<br />100 YEAR STORM VELOCITY . 6,6 tpl
<br />_ DESIGN STORM. 100 YEAR STORM
<br />'"
<br />
<br />"
<br />
<br />.~
<br />
<br />'.,
<br />
<br />'. C--
<br />
<br />c= .
<br />
<br />'-::C
<br />
<br />PROPOSED'
<br />
<br />==
<br />
<br />-- .
<br />r---:-
<br />, 1-'
<br />
<br />.:... ~ -" .. -
<br />EXISTING' 12'.8' ARCH CMP CULVERT
<br />DISCHARGE CAPACITY 700 e h
<br />- PROPOSED' ADO ONE '2'. e' AlfCH CMP
<br />CULYERT
<br />COMBINED DISCHARGE
<br />CAPACITY" 13eO cis
<br />
<br />,"""
<br />
<br />i
<br />
<br />=
<br />
<br />--C'
<br />[,.L==
<br />
<br />I "., -,==
<br />~ EXISTINQ BRIDGI! D1SCHARGF- -----:-:- 15190
<br />CAPACITy ADECUATE FOR
<br />100 YEAR FLOOD w/o
<br />OVERTOPPING ROAD'
<br />
<br />=
<br />
<br />:...::
<br />
<br />0100
<br />
<br />1- '== 'C=
<br />
<br />',C= '-
<br />
<br />51'"
<br />
<br />130-00
<br />
<br />125tOO
<br />
<br />120.00
<br />
<br />1/5+00
<br />
<br />110.00
<br />
<br />I" ,+vv
<br />
<br />CITY OF FEDERAL HEIGHTS
<br />
<br />ADAMS COUNTY
<br />
<br />NIVER CREEK
<br />
<br />NIVER CREEK
<br />STA,104+50 TO 132+80
<br />
<br />DRAWING NO.
<br />
<br />10 CONTROl sUllvna' M[IIII'CI(. CDM""""
<br />L ""DlOGII""H' I' l,t[""le.. . co.........,
<br />IliA""'!: MAI""U" ay MUIttt:IC' COMPANY
<br />)UR ,MT[IlVAl. Z n: Oo\ll FLOWN II-u-n
<br />
<br />ENGINEER:
<br />ENGINEERING CONSUL1ANT$,INC.
<br />OENVER. COlOfJADC
<br />
<br />OUIGI'IIl) ....lULI...L1.I
<br />DII"'''''" LIS
<br />CHECIlED AT.
<br />IIEVISED
<br />R[V'SU
<br />
<br />OAT( '(Bln"
<br />OUt FEll 117~
<br />DAft 'Ell '.'.11
<br />OAT(
<br />DATE
<br />
<br />URBAN DRAINAGE AND FLOOD CONTROL DISTRICT
<br />
<br />MAJOR DRAINAGE WAY PLANNING
<br />
<br />CITY OF THORNTON
<br />
<br />Shut !5 of II
<br />
<br />,
<br />
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