FLOOD00150

• Designation Number: 579
• County: Gunnison
• Community: Marble and Vicinity
• Stream Name: Crystal River
• Title: Floodplain Information Report - Crystal River Technical Appendix
• Date: 8/1/2004
• Prepared For: CWCB
• Prepared By: Icon Engineering, Inc.
• Floodplain - Doc Type: Floodplain Report/Masterplan

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CROSS SECTION

CrystalRiver.rep

RIVER: Crystal
REACH: Marble

R5:17475

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INPUT
Description:
Stat;onElevationData nUm..
sea flev Sea Elev
07942.33 6.23 7940.88
21.417936.05 21.627935.98
43.467929.73 44.847929.34
59.377923.1 65.297919.02
76.27913.62 87.997908.41
139.847909.29141.657910.77
15&.147921.29160.667923.12
170.56 7914 173.267924.41
183.887922.61 185.47923.04
198.377925.69203.567925.92
219.357927.01 214.57927.75
237.947932.05238.567932.25
264.377932.39272.147932.41
292.147931.9302.147931.55
]21.147932.21 323.817932.28
345.24 79B.24 352.147938.52
420.867941.62427.697941.64

"
Sea [lev
10.717939,38
297934.19
49,837927.92
66.977U7.74
1.6.367908.17
145.627914.19
163.537923.06
174.457924.49
190.527924.26
207.17916.04
115.867918.18
249.197931.16
273.817931.36
303.817931.6
331.147932.76
355.927941.27
435.617940.77

Sta Elev
13.817938.56
32.547932.98
51.937927.35
70.87916.01
130.657908.15
151.617920.14
164.817913.19
178.017914.93
193.857925.03
111..37926.16
119.037929.09
256.787932.18
281.147932.36
312.147931.88
342.147933.11
360.927941.48

Sta Elev
10.937936.19
36.67931.87
54.3779.6.05
74.567914.46
131.717908.21
155.647911.86
168.1679B.7
181.287923.43
196.067925.58
218.117926.84
233.347930.57
161.787932.37
283.817932.29
313.817931.93
345.067933.14
361.147941.54

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Manninll's"values "~- J
m nval m "val 'h "Val
0 .06 87.99 .035 131.71 .06
Banksta:Left Right Lengths: Left Channel Right CoeffContr. Expan.
87.99 131.71 515.18591.49 626.76 .J .J
CROSSSECTIOMOUTPUT profileUOO-year
~ef' H~~~v (HP 7914.05 Element LeftOB Channel Ri8~~6gB
1.63 Wt. n-val. 0.060 0.035
W.~. Elev ~ft~ 7912.42 Reach Len. (ft) 515.18 591.49 626.76
ern W.S. ft 7911.20 Flow Area (sq ft) 18.17 181.11 35.71
E.G. Slope (ft/ft) 0.009623 :l~: ~~~srt) 18.17 181.11 35.71
QTotal(cfs) 1181.00 66.09 1945.33 169.59
~~~ ~~t~~ ~~~}s) 64.64 TOil 'ffidth ~h;) 9.07 n.n 11.85
9.28 AV~. Vel. ft/S~ 3.64 10.74 4.75
Max Chl Dpth (ft~ 4.27 Hyr.Depth(ft 1.00 4.14 3.01
conv.Total eCfS lllB.4 Conv.(cfs) 673.7 19830.9 1n8.8
Length wtd. ft) 589.20 wetted Per. (ft~ 9.91 43.n 13.06
MinchEl (ft) 7908.15 Shear(lb/sqft 1.10 2.49 1.64
Alpha 1.22 streampower(l/fts) 4.00 26.73 7.80
~r~t~ t~~~ ~m 5."15 cUlI\\IQ1WM!.(acre-ft) )"1.70 70.6S 41.09
0.01 cum SA (acres) 22.78 18.49 24.18

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warni ng' ~~~s e~:?r n~f~~t:a~h~r~:~~r f~~a~da;~i~~a ~O~~o~~' s~~~f~~~. the current and previous cross secti On.

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CROSS SECTION OUTPUT profile #Floodw~y
eef' H~~~v (~~p 7914.05 Element Left DB Channel Ri8~66gB
1.63 ". ,,-Val. 0.060 O.OlS
~r~t ~~~~ em 7911.41 Reach Len. (ft) 515.18 591.49 626.76
7912.20 Flow.o.ru (sq ft) 18.17 181.11 35.71
E.G. slope (ft/ft) 0.009623 :~~ t~~srt) 18.17 181.11 35.71
QTota.l (efs) H81.00 66.09 19~5.B 169.~"I
~~~ ~~~~ m}S) 64.6~ TOp Width eft) 9.07 ~). 72 11.85
9.28 AV~. Vel. ft/S~ 3.64 10.74 4.75
Max ehl Dpth (ft~ 4.27 Hyr.Oepth{ft 2.00 4.14 3.01
Conv. Tota 1 ~CfS 12233.4 Conv.{efs) 673.7 19830.9 1728.8
Lengthwtd. ft) 589.10 wetted per. (ft~ 9.91 43.72 B.06
MinChEl (ft) 7908.15 Shear(lb/sqft 1.10 2.~9 1.64
Alpha 1.22 Stream Power (1 /fts) 4.00 26.73 7.80
FrctnlOSS ~m 5.9, cum volume (acre-ft) 18.90 77.08 14.B
C&ELOSS 0.01 cum SA (acres) 7.35 18.49 6.08

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warning: The energy loss was greater than 1.0 ft (0.3 m). between the current and previous cross section.
This maYlndicate the need for additional cross sections.
CR05SSECllONOUTPUT I'rofi1e#10-year

~e?' H~~~V (~W 791~:H ~~:m~~~al.
w.s. Elev (ft) 7911.87 Reach Len. (ft)
~~g.~~~fH7ft)-u:~t;vH-~~~= 1~e~fW...f~)
Q Total (ch) 1657.00 F,OW c~s)
Top Width (ft) 61.78 Top Width (ft)
vel Total (ft/s) 8.n AV~. Vel. (ft/S~
~~~v~hio~~ih(~m 174~i:~ ~~n~: ~~~i~ eft
Length \l/td. (ft) 589.50 wetted per. (ft!
MinChEl (ft) 7908.15 Shear {lb/sqft
...lpha l.2C streamptrw"r(l/fts)
Frctn LOSS eft) 5.86 Cum volume (acre-ft)
C&ELoss(ft) 0.01 Cum SA (acres)

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LeftOB Channel
0.060 0.035
515.18 591.49
11...s.I-........_ ~~
B.57 157.35
4).3& 1489.33
7.84 4).72
3.19 9.47
1.]] 3.60
4S6.7 15687.3
8.57 43.72
0.89 2.03
2.85 19.17
30.12 60.69
19.92 18.49

Rig~~6gB
626.76
"'Ad
29.44
124.31
11.22
4.22
2.61
1309.4
12.23
1.35
s.n
28.94
19.90

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warning: :::~~ s e~i?r n~~~~t:a~h~r~:~~r f;~a~da;~i ~~a fO~~o~~ between the current and previous cross section.
sections.
CROSS SECTION ouTPUT profile'SO-year
~ef' H~~~V ($W 79B.80 Element Left DB Channel Ri8~~6gB
1.5. ". n-val. 0.060 0.035
W.S. Elev (ft) 7912.28 Reach Len. (ft) 51$.18 591.49 626.76
Critw.s. (ft) 791..01 FloWArea(sqft) 16.94 175.11 34.09
[.(;.slolle(ft/ft) O.OO'B71 ~l~; ~~~SC} 16.<)4 175.11 34.09
QTotal (cfs) 2031.00 59.43 1814.9, 156.62
~~~ *~~~~ ~~~~S) 64.17 Top Width (ft) 8.76 41.72 11.69
8.98 AV~. Vel. (ft/s~ 3.51 10.36 4.59
",ax chl Opth (ft~ 4.13 Hyr.Oepth(ft 1.93 4.01 1.92
conv. Tota 1 ~CfS 20980.1 Cony. (efs) 613.9 18748.3 1617.9
Length wtd. ft) 589.19 wetted per. (ft~ 9.57 43.72 12.85
t-linChEl (ft) 7%t.l5 sheu{lbfsQft l.C4 Ll4 :l.55
Alpha loll StreamPower(l/fts) 3.63 14.29 7.ll
FrctnLOSS ~m 5.93 Cum volume (acre-ft) 36.84 67.91 37.40
C&ELOSS 0.00 (urn SA (acres) 21.96 18.49 23.30

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warning: i~~./~~?rn~~~~t~a~hr~:~dr f~~a~d~i~i~~,,-fOc~Il~~' ,,~~~~~~~. the turrent and previous cross section.
CROSS SECTION OUTPUT profile#SOO-ye;l.r

ee?' H~~:t (~W
W.S. Elev (ft)
crh'vl.S. (ft)

7914.58
1.87
7912.12
7912.'>7

Element
Wt.n-val.
lteachLen. (ft)
Fltl'flAfU (Sll ft)

Left DB
0.060
S15.18
20."17

Channel
0.035
591.49
194.13

Rig~~6gB
626.76
39..9

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