UD Channels v1.04
22
320116269.xls, Intro 06/03/2016, 16:08:30 UDFCD OPEN CHANNEL DESIGN WORKBOOK Version 1.04 Relese! O"#o$er %00& Ur$n Drin'e n! Floo! Con#rol Dis#ri"# Den(er) Color!o P*r+ose, -is /or$oo i!s in !e#erinin' "nnel "ross se"#ionl !iensions n! 2lo/ "+"i#3. F*n"#ion, 1. -o "l"*l #e norl "ri#i"l 2lo/ "on!i#ions. %. -o !e(elo+ r#in' "*r(e 2or #r+e5oi!l "nnel. 6. -o !e(elo+ s+e"i2i" ener'3 n! s+e"i2i" 2or"e "*r(es. 4. -o ++l3 Di re"# S#e+ 7e#o! #o nl35e 71) 7%) n! S% "*r(es. 8. -o ++l3 S#n!r! S#e+ 7e#o! #o nl35e 71) 7%) n! S% "*r(es. &. -o !esi'n or nl35 e 'rss9line! "nnel "ross9se"#ion. :. -o sele"# ro" si5e 2or ri+r+9l ine! "nnel "ross9se"#ion. ;. -o "l"*l #e #e "on(e3n"e "+"i#3 2or "o+osi#e <#/o9s#'e= "nnel se"#i on. >. -o !e#eri ne #e 2lo/ "r"#eris#i"s in s*+er"ri#i"l s#ee+ "nnel. Con#en#, -e /or$oo "onsis#s o2 #e 2ollo/in' 16 see#s, Bsi"s Applies Manning's formula to anal !e t"e normal flo# $on%ition, an% R#in' &ro%u$es a rating $ure for a trape!oi%al $"annel. SP9Es &ro%u$es a spe$ifi$ energ $ure for a gien flo# in a trape!oi%al $"annel. SP9Fs &ro%u$es a spe$ifi$ for$e $ure for a gien flo# in a trape!oi%al $"annel. D9S#e+ Applies t"e (ire$ t )tep Met"o% to %eelop M1, M2, * )2 analses S9S#e+ Applies t"e )tan%ar% )tep Met"o% t o %eelop M1, M2, * )2 analses Cnnel Desi'n Ai%s in %esigning a grass $"annel #it" %rop stru$ tures. SCS Re#r!n"e +mplos t"e )) egetal retar%an$e $ures for tpes an% ( grass-line% $"annels. Ri+r+ Ai%s in t"e %esign of a riprap-line% $"annel. Co+osi#e Desi'n Ai%s in %esigning a $omposite t#o-stage $"annel se$tion. Co+osi#e Anl3sis Ai%s in anal !ing an exist ing $omposite t #o-stage $"annel se$tion. S#ee+ Cnnel Ai%s in t"e %esign of $on$rete line% super$riti$al-flo# $"annels. Desi'n In2o &roi%es re$ommen%e% Manning's n alue gui%an$e for lo#-flo# se$tion an% oerans in $omposite $"annel A"no/le!'een#s, Spreadsheet Development Team: Dr. ?es C.@ . G*o) P.E. &rofessor, (epartment of iil +ngineering niersit of olora%o at (ener Ken A. 7"Ken5ie) P.E.) n! K#ie Frn* ran (rainage an% loo% ontrol (istri$t Wri'# W#er En'ineers) In". (ener, olora%o Coen#s (ire$t all $omments regar%ing t"is sprea%s"eet #oroo to: Re(isions "e$ for reise% ersions of t"is or an ot"er #oroo at: applies rou%e 4umer Fr 5 1.0 to %etermine t"e $riti$al flo# $on%ition. (( +-Mail (o#nloa%s
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Transcript of UD Channels v1.04
8/16/2019 UD Channels v1.04
http://slidepdf.com/reader/full/ud-channels-v104 1/22
8/16/2019 UD Channels v1.04
http://slidepdf.com/reader/full/ud-channels-v104 2/22
320116269.xls, asi$s 06/03/2016, 16:08:30
Norl Flo/ Anl3sis 9 -r+e5oi!l Cnnel
Proe"#,
Cnnel ID,
"annel Inert )lope )o 5 ft/ft
Manning's n n 5
ottom 7i%t" 5 ft
eft )i%e )lope 1 5 ft/ft
ig"t )i%e )lope 2 5 ft/ftreeoar% ;eig"t 5 ft
(esign 7ater (ept" < 5 ft
Norl Flo/ Con!#ion <Cl"*l#e!=
Dis"r'e $fs
Fro*!e N*$er Fr
Flo/ Velo"i#3 V fps
lo# Area A 5 s= ft
>op 7i%t" > 5 ft
7ette% &erimeter & 5 ft
;%rauli$ a%ius 5 ft;%rauli$ (ept" ( 5 ft
)pe$ifi$ +nerg +s 5 ft
entroi% of lo# Area <o 5 ft
)pe$ifi$ or$e s 5 ip
Desi'n In2or#ion <In+*#=
8/16/2019 UD Channels v1.04
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320116269.xls, asi$s 06/03/2016, 16:08:30
Cri#i"l Flo/ Anl3sis 9 -r+e5oi!l Cnnel
Proe"#,
Cnnel ID,
Desi'n In2or#ion <In+*#=
ottom 7i%t" 5 ft
eft )i%e )lope 1 5 ft/ft
ig"t )i%e )lope 2 5 ft/ft
(esign (is$"arge ? 5 $fs
Cri#i"l Flo/ Con!i#ion <Cl"*l#e!=
Cri#i"l Flo/ De+# @ ft
riti$al lo# Area A 5 s= ft
riti$al >op 7i%t" > 5 ft
riti$al ;%rauli$ (ept" ( 5 ft
riti$al lo# @elo$it @ 5 fps
Fro*!e N*$er Fr
riti$al 7ette% &erimeter & 5 ft
riti$al ;%rauli$ a%ius 5 ft
riti$al min )pe$ifi$ +nerg +s$ 5 ftentroi% on t"e riti$al lo# Area <o$ 5 ft
riti$al min )pe$ifi$ or$e s$ 5 ip
8/16/2019 UD Channels v1.04
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320116269.xls, ating 06/03/2016, 16:08:30
RA-ING CURVE FOR -RAPEOIDAL CHANNEL
ottom 7i%t" 5 feet
eft )i%e )lope 1 5 ft/ft
ig"t )i%e )lope 2 5 ft/ft
Manning's n or )) etar%an$e ure n 5
ongitu%inal )lope ) 5 ft/ft
Flo/ 7nnin's Flo/ We##e! H3!r*li" Flo/ Flo/ Fro*!e
De+# Ro*'ness Are Perie#er R!i*s Velo"i#3 r#e N*$er
@ n A P R V Fr
<2#= <s 2#= <2#= <2#= <2+s= <"2s=
0.00 0.00 0.00 0.0 0.0 0.00
0.00 0.00 0.00 0.0 0.0 0.00
0.00 0.00 0.00 0.0 0.0 0.00
0.00 0.00 0.00 0.0 0.0 0.00
0.00 0.00 0.00 0.0 0.0 0.00
0.00 0.00 0.00 0.0 0.0 0.00
0.00 0.00 0.00 0.0 0.0 0.000.00 0.00 0.00 0.0 0.0 0.00
0.00 0.00 0.00 0.0 0.0 0.00
0.00 0.00 0.00 0.0 0.0 0.00
0.00 0.00 0.00 0.0 0.0 0.00
0.00 0.00 0.00 0.0 0.0 0.00
0.00 0.00 0.00 0.0 0.0 0.00
0.00 0.00 0.00 0.0 0.0 0.00
0.00 0.00 0.00 0.0 0.0 0.00
0.00 0.00 0.00 0.0 0.0 0.00
0.00 0.00 0.00 0.0 0.0 0.00
0.00 0.00 0.00 0.0 0.0 0.00
0.00 0.00 0.00 0.0 0.0 0.00
0.00 0.00 0.00 0.0 0.0 0.00
0.00 0.00 0.00 0.0 0.0 0.00
0.0 0.1 0.2 0.3 0. 0.B 0.6 0.C 0.8 0.9 1.0
0
2
6
8
10
12
De+# (s. Flo/
Flo/ <"2s=
D e + # < 2 # =
UDFCD:
If you want to usethe SCS RetardanceMethod, just enterA, B, C, D,or E in thiscell. Otherwise,enter a numericalue
8/16/2019 UD Channels v1.04
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320116269.xls, ating 06/03/2016, 16:08:30
RA-ING CURVE FOR -RAPEOIDAL CHANNEL
@ &ro%u$t
0
0
0
0
0
0
00
0
0
0
0
0
0
0
0
0
0
0
0
0
0.0 0.1 0.2 0.3 0. 0.B 0.6 0.C 0.8 0.9 1.0
0.0 0.1 0.2 0.3 0. 0.B 0.6 0.C 0.8 0.9 1.0
0
0.1
0.2
0.3
0.
0.B
0.6
0.C
0.8
0.9
1
0
2
6
8
10
12
Velo"i#3) Flo/ De+#) Fro*!e N*$er 7nnin's n (s. Dis"r'e
lo# (ept" @elo$it rou%e 4o. Manning's n
Flo/ R#e in "2s
F l o
/ D
e + # < 2 # = ) V e l o " i # 3 < 2 + s = ) F r o * ! e
N o .
VR Pro!*"#
7 n n i n ' s n
0 0.1 0.2 0.3 0. 0.B 0.6 0.C 0.8 0.9 1
0 0.1 0.2 0.3 0. 0.B 0.6 0.C 0.8 0.9 1
0.00
2.00
.00
6.00
8.00
10.00
12.00
0
2
6
8
10
12
Velo"i#3) Fro*!e N*$er) 7nnin's n (s. Flo/ De+#
@elo$it fps rou%e 4umer Manning's n
Flo/ De+# <2#=
V e
l o "
i # 3 < 2 + s
= ) F r o *
! e
N * 1
$ e r
VR Pro!*"#
7 n n i n ' n
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320116269.xls, )&-+s 06/03/2016, 16:08:30
SPECIFIC ENERG@ CURVE FOR -RAPEOIDAL CHANNEL
ottom 7i%t" 5 feet
eft )i%e )lope 1 5 ft/ft
ig"t )i%e )lope 2 5 ft/ft
(esign lo# ? 5 $fs
Flo/ Flo/ -o+ Flo/ S+. Fro*!e
De+# Are Wi!# Velo"i#3 Ener'3 N*er @ A - V Es Fr
<2#= <s 2#= <2#= <2+s= <2#=
0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.000.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00
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320116269.xls, )&-+s 06/03/2016, 16:08:30
SPECIFIC ENERG@ CURVE FOR -RAPEOIDAL CHANNEL
0.00 0.10 0.20 0.30 0.0 0.B0 0.60 0.C0 0.80 0.90 1.00
0
2
6
8
10
12
S+e"i2i" Ener'3
Es in 2ee#
F l o / D
e + # i n
2 #
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320116269.xls, )&-s 06/03/2016, 16:08:30
SPECIFIC FORCE CURVE FOR -RAPEOIDAL CHANNEL
ottom 7i%t" 5 feet
eft )i%e )lope 1 5 ft/ft
ig"t )i%e )lope 2 5 ft/ft
(esign lo# ? 5 $fs
Flo/ Flo/ -o+ Cen#rl Flo/ S+. Fro*!e
De+# Are Wi!# De+# Velo"i#3 For"e N*er
@ A - @o V Fs Fr
2# s 2# 2# 2# 2+s Kl$s
0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.000.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.000.00 0.00 0.00 0.00 0.00 0.00
0.00 0.00 0.00 0.00 0.00 0.00
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DIREC- S-EP 7E-HOD FOR -RAPEOIDAL CHANNEL
Gi(en Desi'n In2or#ion, Norl Flo/ Con!i#ion
ottom 7i%t" 5 feet 4ormal lo# (ept" <n 5
eft )i%e )lope 1 5 ft/ft 7ette% &eriemeter & 5ig"t )i%e )lope 2 5 ft/ft 4ormal lo# Area An 5
Manning's n n 5 ;%rauli$ a%ius 5
ongitu%inal )lope ) 5 ft/ft rou%e 4umer r 5
(esign lo# ? 5 $fs al$ulate% ? ? 5
Cri#i"l Flo/ Con!i#ion,
riti$al (ept" <$ 5
riti$al >op 7i%t" >$ 5
riti$al lo# Area A$ 5
rou%e 4umer r 5
791 BACKWA-ER CURVE FRO7 DA7 DEP-H -O NOR7AL DEP-H
A# Con#rol Poin#
lo# (ept" at (/) (am feet"annel ottom +leation at (/) (am feet
1 2 3 B 6 C 8 9 10 11 12 13
lo# lo# 7ette% ;- lo# @elo )pe$. ( +s ri$iton Ag. (istan$e )tation entra
(ept" Area &-meter ra%ius @elo. ;ea% +nerg )lope )lope (ept"
< A & @ @D2/2g +s )f (E E <o
1F6 8/10
ft ftD2 ft ft fps ft ft ft ft/ft ft/ft ft ft ft
0.00 0.0
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DIREC- S-EP 7E-HOD FOR -RAPEOIDAL CHANNEL
Gi(en Desi'n In2or#ion, Norl Flo/ Con!i#ion
ottom 7i%t" 5 0.00 feet 4ormal lo# (ept" <n 5
eft )i%e )lope 1 5 0.00 ft/ft 7ette% &eriemeter & 5ig"t )i%e )lope 2 5 0.00 ft/ft 4ormal lo# Area An 5
Manning's n n 5 0.0000 ;%rauli$ a%ius 5
ongitu%inal )lope ) 5 0.0000 ft/ft rou%e 4umer r 5
(esign lo# ? 5 0.00 $fs al$ulate% ? ? 5
Cri#i"l Flo/ Con!i#ion,
riti$al (ept" <$ 5
riti$al >op 7i%t" >$ 5
riti$al lo# Area A$ 5
rou%e 4umer r 5
79% DRAWDOWN CURVE FRO7 CRI-ICAL DEP-H -O NOR7AL DEP-H
A# Con#rol Poin#
(o#nstream riti$al (ept" feet"annel ottom +leation at (/) riti$al )e$tion 100.00 feet
1 2 3 B 6 C 8 9 10 11 12 13
lo# lo# 7ette% ;- lo# @elo )pe$. ( +s ri$iton Ag. (istan$e )tation entra
(ept" Area &-meter ra%ius @elo. ;ea% +nerg )lope )lope (ept"
< A & @ @D2/2g +s )f (E E <o
1F6 8/10
ft ftD2 ft ft fps ft ft ft ft/ft ft/ft ft ft ft
0.00 0.0
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DIREC- S-EP 7E-HOD FOR -RAPEOIDAL CHANNEL
Gi(en Desi'n In2or#ion, Norl Flo/ Con!i#ion
ottom 7i%t" 5 0.00 feet 4ormal lo# (ept" <n 5
eft )i%e )lope 1 5 0.00 ft/ft 7ette% &eriemeter & 5ig"t )i%e )lope 2 5 0.00 ft/ft 4ormal lo# Area An 5
Manning's n n 5 0.0000 ;%rauli$ a%ius 5
ongitu%inal )lope ) 5 0.0000 ft/ft rou%e 4umer r 5
(esign lo# ? 5 0.00 $fs al$ulate% ? ? 5
Cri#i"l Flo/ Con!i#ion,
riti$al (ept" <$ 5
riti$al >op 7i%t" >$ 5
riti$al lo# Area A$ 5
rou%e 4umer r 5
S9% DRAWDOWN CURVE FRO7 CRI-ICAL DEP-H -O NOR7AL DEP-H
A# Con#rol Poin#
pstream riti$al (ept" feet"annel ottom +leation at /) riti$al )e$tion 100.00 feet
1 2 3 B 6 C 8 9 10 11 12 13
lo# lo# 7ette% ;- lo# @elo )pe$. ( +s ri$iton Ag. (istan$e )tation entra
(ept" Area &-meter ra%ius @elo. ;ea% +nerg )lope )lope (ept"
< A & @ @D2/2g +s )f (E E <o
1F6 8/10
ft ftD2 ft ft fps ft ft ft ft/ft ft/ft ft ft ft
1000.0
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S-ANDARD S-EP 7E-HOD FOR -RAPEOIDAL CHANNEL
Gi(en Desi'n In2or#ion, Norl Flo/ Con!i#ion
ottom 7i%t" 5 feet 4ormal lo# (ept" <n 5 fee
eft )i%e )lope 1 5 ft/ft 7ette% &eriemeter & 5 ft/ft
ig"t )i%e )lope 2 5 ft/ft 4ormal lo# Area An 5 s=
Manning's n n 5 ;%rauli$ a%ius 5 fee
ongitu%inal )lope ) 5 ft/ft rou%e 4umer r 5
(esign lo# ? 5 $fs al$ulate% ? ? 5 ft/ft
Cri#i"l Flo/ Con!i#ion,
riti$al (ept" <$ 5 fee
riti$al >op 7i%t" >$ 5 fee
riti$al lo# Area A$ 5 s=
rou%e 4umer r 5
791 BACKWA-ER CURVE FRO7 DA7 DEP-H -O NOR7AL DEP-H
A# Con#rol Poin#
lo# (ept" at (/) (am feet
"annel ottom +leation feet
1 2 3 B 6 C 8 9 10 11 12 13
)tation (istan$e Inert GUESS lo# lo# @elo. al. 7ette% ;. ri$tion Ae. ri$tion M
+le lo# Area @elo. ;ea% ;ea% &-meter a%ius )lope )f oss
(ept" 3F6FC 2x12
E (E < A @ @D2/2g ;GG & )f "f
ft ft ft ft ft fps ft ft ft ft ft/ft ft/ft ft
0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00000
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S-ANDARD S-EP 7E-HOD FOR -RAPEOIDAL CHANNEL
Gi(en Desi'n In2or#ion, Norl Flo/ Con!i#ion
ottom 7i%t" 5 feet 4ormal lo# (ept" <n 5 fee
eft )i%e )lope 1 5 ft/ft 7ette% &eriemeter & 5 ft/ft
ig"t )i%e )lope 2 5 ft/ft 4ormal lo# Area An 5 s=
Manning's n n 5 ;%rauli$ a%ius 5 fee
ongitu%inal )lope ) 5 ft/ft rou%e 4umer r 5
(esign lo# ? 5 $fs al$ulate% ? ? 5 ft/ft
Cri#i"l Flo/ Con!i#ion,
riti$al (ept" <$ 5 fee
riti$al >op 7i%t" >$ 5 fee
riti$al lo# Area A$ 5 s=
rou%e 4umer r 5
79% DRAWDOWN CURVE FRO7 CRI-ICAL DEP-H -O NOR7AL DEP-H
A# Con#rol Poin#
(o#nstream riti$al (ept" feet
"annel ottom +leation feet
1 2 3 B 6 C 8 9 10 11 12 13
)tation (istan$e Inert GUESS lo# lo# @elo. al. 7ette% ;. ri$tion Ae. ri$tion M
+le lo# Area @elo. ;ea% ;ea% &-meter a%ius )lope )f oss
(ept" 3F6FC 2x12
E (E < A @ @D2/2g ;GG & )f "f
ft ft ft ft ft fps ft ft ft ft ft/ft ft/ft ft
0.00 0.00 H@A+ H@A+ H@A+ H@A+ H@A+ H@A+ H@A+
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S-ANDARD S-EP 7E-HOD FOR -RAPEOIDAL CHANNEL
Gi(en Desi'n In2or#ion, Norl Flo/ Con!i#ion
ottom 7i%t" 5 feet 4ormal lo# (ept" <n 5 fee
eft )i%e )lope 1 5 ft/ft 7ette% &eriemeter & 5 ft/ft
ig"t )i%e )lope 2 5 ft/ft 4ormal lo# Area An 5 s=
Manning's n n 5 ;%rauli$ a%ius 5 fee
ongitu%inal )lope ) 5 ft/ft rou%e 4umer r 5
(esign lo# ? 5 $fs al$ulate% ? ? 5 ft/ft
Cri#i"l Flo/ Con!i#ion,
riti$al (ept" <$ 5 fee
riti$al >op 7i%t" >$ 5 fee
riti$al lo# Area A$ 5 s=
rou%e 4umer r 5
S9% DRAWDOWN CURVE FRO7 CRI-ICAL DEP-H -O NOR7AL DEP-H
A# Con#rol Poin#
pstream riti$al (ept" feet
"annel ottom +leation feet
1 2 3 B 6 C 8 9 10 11 12 13
)tation (istan$e Inert GUESS lo# lo# @elo. al. 7ette% ;. ri$tion Ae. ri$tion M
+le lo# Area @elo. ;ea% ;ea% &-meter a%ius )lope )f oss
(ept" 3F6FC 2x12
E (E < A @ @D2/2g ;GG & )f "f
ft ft ft ft ft fps ft ft ft ft ft/ft ft/ft ft
0.00 0.00 H@A+ H@A+ H@A+ H@A+ H@A+ H@A+ H@A+
8/16/2019 UD Channels v1.04
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Desi'n o2 -r+e5oi!l Grss9Line! Cnnel
Proe"#,
Cnnel ID,
Eis#in' Cnnel Con!i#ion <In+*#=
(esign (is$"arge $fs
(esign (is$"arge eturn &erio% ears
+xisting Jroun% )lope Along "annel enterline )o 5 ft/ft
1009@er Dis"r'e $fs
eft )i%e )lope 1 5 ft/ft
ig"t )i%e )lope 2 5 ft/ft
"annel Manning's 4 4e# on%ition .030 tp.
"annel Manning's 4 Mature on%ition .00 tp.
Ce" one o2 #e 2ollo/in' soil #3+es
)an% )oil $"e$, K
4on-)an% )oil $"e$
Pro+ose! Cnnel Con!i#ion <Cl"*l#e!= 4e# "annel Mature "annel
ottom 7i%t" 5 ft ft
100-<ear lo# (ept" B' maximum 2# 2#
100-<ear lo# @elo$it 2+s 2+s
100-<ear >op 7i%t" >5 ft ft
100-<ear lo# Area A5 s= ft s= ft
100-<ear rou%e 4umer Fr
100-<ear 7ette% &erimeter &5 ft ft
100-<ear ;%aruli$ a%ius 5 ft ft
(esign (is$"arge lo# (ept" 2# ft
(esign (is$"arge lo# @elo$it 2+s fps
(esign (is$"arge >op 7i%t" >5 ft ft
(esign (is$"arge lo# Area A5 s= ft s= ft
(esign (is$"arge rou%e 4umer Fr
(esign (is$"arge 7ette% &erimeter &5 ft ft
(esign (is$"arge ;%aruli$ a%ius 5 ft ft
Dro+ Hei'#
&ropose% 4e# "annel )lope )%5 ft/ft ft/ft
(rop ;eig"t per 100 ft ( 5 ft/100 ft ft/100 ft
?(5
<ear (5
100
nne#
5
nmature
5
@100
V100
<(5
@(5
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Anl3sis o2 -r+e5oi!l Grss9Line! Cnnel Usin' SCS 7e#o!
Proe"#,
Cnnel ID,
Desi'n In2or#ion
Jrass >pe: A ( +
imiting Manning's n 0.060 0.00 0.033 0.030 0.02
)oil >pe:
4on-)an% C.0 fps 0.80
)an% B.0 fps 0.60
Desi'n In2or#ion
4) @egetal etar%an$e A,,,(, or +
Manning's n if $ell (22 is 4K> or n 5
"annel Inert )lope )o 5 ft/ft
ottom 7i%t" 5 ft
eft )i%e )lope 1 5 ft/ft
ig"t )i%e )lope 2 5 ft/ft
Desi'n Dis"r'e "2s
Ce" one o2 #e 2ollo/in' soil #3+es
)an% )oil $"e$, K
4on-)an% )oil $"e$
Flo/ Con!i#ion <Cl"*l#e!=W#er De+# @ 2#
>op 7i%t" > 5 ft
lo# Area A 5 s= ft
7ette% &erimeter & 5 ft
;%rauli$ a%ius 5 ft
lo# @elo$it @ 5 fps
@elo$it-(ept" &ro%u$t @ 5 ftD2/s
;%rauli$ (ept" ( 5 ft
Fro*!e N*$er Fr
Dis"r'e <Ce"= "2s
Iterations &ro$esse%: &
Max. @elo$it @max
Max. rou%e 4o. max
UDFCD:
!he "ro#ram will calculateMannin#$s n %ased on the&R "roduct. If you wish tomanually enter an n aluein cell D'(, leae cell D''%lan).
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Desi'n o2 Ri+r+ Cnnel Cross Se"#ion
Proe"#,
Cnnel ID,
Desi'n In2or#ion <In+*#=
"annel Inert )lope )o 5 ft/ft
ottom 7i%t" 5 ft
eft )i%e )lope 1 5 ft/ft
ig"t )i%e )lope 2 5 ft/ft
)pe$ifi$ Jrait of o$ )s 5
a%ius of "annel enterline $r 5 ft
Desi'n Disr'e "2s
Flo/ Con!i#ion <Cl"*l#e!=
Ri+r+ -3+e <S#ri'# Cnnel= -3+e
In#ere!i#e Ro" Die#er <S#ri'# Cnnel= D80 in"es
Cl"*l#e! 7nnin's n <S#ri'# Cnnel= n
Ri+r+ -3+e <O*#si!e Ben! o2 C*r(e! Cnnel= -3+e
In#ere!i#e Ro" Di. <O.B. o2 C*r(e! Cnnel= D80 in"es
Cl"*l#e! 7nnin's N <C*r(e! Cnnel= n
7ater (ept" < 5 ft
>op 7i%t" of lo# > 5 ft
lo# Area A 5 s= ft
7ette% &erimeter & 5 ft
;%rauli$ a%ius A/& 5 ft
Aerage lo# @elo$it ?/A @ 5 fps
;%rauli$ (ept" A/> ( 5 ft
rou%e 4umer max. 5 0.8 r 5
"annel a%ius / >op 7i%t" $r/> 5
iprap (esign @elo$it a$tor or ure% "annel L 5
iprap )i!ing @elo$it or ure% "annel fps
Ri+r+ Si5in' Pren#er 2or S#ri'# Cnnel K
Ri+r+ Si5in' Pren#er 2or O*#si!e Ben! o2 C*r(e
)upereleation %" %" 5 ft
Dis"r'e <Ce"= "2s
Ce" on Ro" Si5e 2or Ri+r+
Ri+r+ D80
3.3 @ 6 in$" 9 in$"
M 12 in$"
@L
5
K"*r(e
Rn'e o2 K) K"*r(e
N 3.3 to .0
N .0 to .6
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Desi'n o2 Co+osi#e Cnnel
Proe"#,
Cnnel ID,
Desi'n In2or#ion <In+*#=
2-<ear (is$"arge - >otal ?-2r 5 $fs
100-<ear (is$"arge - >otal ?-100r 5 $fs Ce" one o2 #e 2ollo/in' #oe +ro
0.00 (esign (is$"arge - o# lo# "annel ?lf 5 $fs o# lo# "annel )i
o# lo# "annel eft )i%e )lope 1 5 ft/ft Ker
o# lo# "annel ig"t )i%e )lope 2 5 ft/ft
0.00 o# lo# "annel an-full %ept" <m 5 ft eft o
0.00 eft Keran )i%e )lope 5 ft/ft per$entage of to
0.00 eft Keran Manning's n n-left 5
0.00 ig"t Keran )i%e )lope 5 ft/ft Ce" one o2 #e 2ollo/in' soil #3
0.00 ig"t Keran Manning's n n-rig"t 5
O(er$n Flo/ De+# @o$ <@ 9 @= <o 5 ft
Flo/ Con!i#ion <Cl"*l#e!=
Cnnel In(er# Slo+e So 2#2#
Lo/ Flo/ Cnnel Con!i#ion 2or ! Lo/ Flo/ Cnnel Flo/ Con!i#ion
"annel ottom 7i%t" lf 5 ft o# lo# "annel ottom 7i%t"
"annel 4ormal lo# (ept" <lf 5 ft >op #i%t"
>op #i%t" >lf 5 ft lo# area
lo# area Alf 5 s= ft 7ette% perimeter
7ette% perimeter &lf 5 ft Manning's n al$ulate%
Manning's n al$ulate% n-lf 5 Dis"r'e
Dis"r'e <Cl"*l#e!= l2 "2s @elo$it
@elo$it @lf 5 fps Fro*!e n*$er
rou%e numer r-lf 5 100-<r. riti$al @elo$it
100-<r. riti$al (ept"
Le2# O(er$n Flo/ Con!i#ion 2or 100 Ri'# O(er$n Flo/ Con!i#ion 2o
Keran en$" 7i%t" 5 ft Keran en$" 7i%t"
4ormal (ept" in Kerans <o 5 ft 4ormal (ept" in Kerans
>op #i%t" > 5 ft >op #i%t"
lo# area A 5 s= ft lo# area
7ette% perimeter & 5 ft 7ette% perimeter
Dis"r'e L "2s Dis"r'e
Velo"i#3 VL 2+s Velo"i#3
Fro*!e n*$er FrL Fro*!e n*$er
m
4-left 4-lf
:ig"t o# lo# "anneleft Keran Area
< <$ 2
1
1
1
1
AlternateKeran
>oe &rote$tion
:
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C+"i#3 Anl3sis o2 Co+osi#e Cnnel
Proe"#,
Cnnel ID,
Desi'n In2or#ion <In+*#=
"annel Inert )lope )o 5 ft/ft eft Keran ottom 7i%t"
eft Keran )i%e )lope
o# lo# "annel ottom 7i%t" m 5 ft eft Keran Manning's n n-le
o# lo# "annel eft )i%e )lope 1 5 ft/ft ig"t Keran ottom 7i%t"
o# lo# "annel ig"t )i%e )lope 2 5 ft/ft ig"t Keran )i%e )lope
o# lo# "annel Manning's 4n for ?% n-lf 5 ig"t Keran Manning's n n-rig
o# lo# "annel Manning's 4n for ?100 n-m-?100 5
)ee )(M @ol. II, n s. (ept" Jrap"
Lo/ Flo/ Cnnel Bn92*ll !e+# @ 2# O(er$n Flo/ De+# @o$ <@ 9 @= @o
Lo/ Flo/ Cnnel Con!i#ion 2or ! Lo/ Flo/ Cnnel Flo/ Con!i#ion 2or 100
>op #i%t" >lf 5 ft >op #i%t" >
lo# area Alf 5 s= ft lo# area A
7ette% perimeter &lf 5 ft 7ette% perimeter &
Dis"r'e <Cl"*l#e!= l2 "2s Dis"r'e
Velo"i#3 Vl2 2+s Velo"i#3 V
Fro*!e n*$er Fr9l2 Fro*!e n*$er Fr
?% riti$al @elo$it @lf$ 5 fps 100-<r. riti$al @elo$it @m
?% riti$al (ept" <lf$ 5 ft 100-<r. riti$al (ept" <m
Le2# O(er$n Flo/ Con!i#ion 2or 100 Ri'# O(er$n Flo/ Con!i#ion 2or 100
>op #i%t" > 5 ft >op #i%t" >
lo# area A 5 s= ft lo# area A
7ette% perimeter & 5 ft 7ette% perimeter &
Dis"r'e L "2s Dis"r'e
Velo"i#3 VL 2+s Velo"i#3 V
Fro*!e n*$er FrL Fro*!e n*$er Fr
100-<r. riti$al @elo$it @$ 5 fps 100-<r. riti$al @elo$it @
100-<r. riti$al (ept" in Kerans <$ 5 ft 100-<r. riti$al (ept" in Kerans <
Co+osi#e Cross9Se"#ion Flo/ Con!i#ion 2or 100
-o+ /i!# - 2# Dis"r'e
Cnnel De+# @ @ 2# Velo"i#3
lo# area A 5 s= ft Fro*!e n*$er F
7ette% perimeter & 5 ft 100-<r. riti$al @elo$it @
ross-)e$tional Manning's n al$ulate% n 5 100-<r. riti$al (ept" in Kerans <
<
m
4-left 4-lf 4-rig"t
:ig"t Keran Ao# lo# "anneleft Keran Area
< <$ 2
1
1
1
1
Alternate
Keran>oe &rote$tion
:
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Anl3sis o2 S#ee+ <S*+er"ri#i"l 2lo/= Cnnelfor $on$rete-line% $"annels onl
Proe"#,
Cnnel ID,
Desi'n In2or#ion <In+*#=
(esign %is$"arge ? 5 $fs
ottom #i%t" 5 ft
)i%e slope 5 ft/ft
"annel slope )o 5 ft/ft
"annel Manning's n n 5
@B R#io <Cl"*l#e!=
lo# %ept" to #i%t" ratio </ <G 5
@alue of 5 1F!D2D0.B 5
7ette% perimeter &/ &G 5>op #i%t" >/ >G 5
lo# area A/D2 AG 5
Max. rou%e numer #it"out roll #aes G 5
imiting %is$"arge parameter ?G 5
Max. %is$"arge #it"out roll #aes ?-limit 5 $fs
Cl"*l#e! !is"r'e in "nnel <"e"= 9!esi'n "2s
Roll W(e Hei'# <Cl"*l#e!=
Lii#in' 2lo/ "on!i#ion # se"#ion 1 <*+s#re o2 #e *+=
imiting rou%e numer G 1 5
4ormal %ept" upstream of t"e Pump 5 <G <15 ft
(ept" to t"e $entroi% of A1 5 0.B<1 <1-ar5 ft
lo# area upstream of t"e Pump 5 AGD2 A1 5 s= ft
lo# elo$it upstream of t"e Pump 5 ?/A1 @1 5 fpse=uire% freeoar% #/o roll #aes5 2F0.02BG@1G<1D0.33 5 ft
P*ls#in' 2lo/ "on!i#ion /i# roll /(es # se"#ion % <!o/ns#re o2 #e *+=
rou%e numer for ?-%esign: 2 5
lo# %ept" %o#nstream of t"e Pump 5 <1F" <2 5 ft
(ept" to t"e $entroi% of A2 5 0.B<2 <2-ar5 ft
lo# area %o#nstream of t"e Pump A2 5 s= ft
Cl"*l#ions o2 roll /(es
7ae spee% @# 5 fps
lo# elo$it %o#nstream of t"e Pump @2 5 fps
7ae $elerit 5 @#-@2 5 fps
al$ulate% roll #ae "eig"t " 5 ft
Ce" #e sol*#ions $3 oen#* +rin"i+le
or$e upstream of Pump 5 @#-@1G@2-@1 or$e-u/s 5 l's
or$e %o#nstream of Pump 5 gG<2-ar -A1/A2G<1-ar or$e-%/s 5 l's
Re*ire! "nnel !e+# .<@1JF$) @1J= @9re. 2#
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Re"oen!e! Vl*es 2or 7nnin's N in O(er2lo/ Bn Ares in Co+osi#e Cnnel
Grss -3+e Grss Len'# 0.: 2# De+#1.8 2# De+#6.0 2#
For 7inor R*no22 For 7or R*no22
ermu%a 2-in$" 0.03B0 0.0300
ermu%a -in$" 0.000 0.0300
Lentu$ 2-in$" 0.03B0 0.0300Lentu$ -in$" 0.000 0.0300
An3 Grss
Joo% )tan% 12-in$" 0.0C00 0.03B0
Joo% )tan% 2-in$" 0.1000 0.03B0
air )tan% 12-in$" 0.0600 0.03B0
air )tan% 2-in$" 0.0C00 0.03B0
.03B
.00
.0B
.0B0
.0BB
.060
.06B
.0C0
.030
2 3 B 6 C 8 9 10(ept" of lo# <, in eet
M a n n i n g ' s 4 @
a l u e
Assume% Manning's 4 s. (ept" for omposite "annel an%
o#-lo# )e$tion (esign
n 5 0.0001< / - 0.002B</ F 0.0B02
n 5 0.0018< / -
0.0206</ F 0.099
2
