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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CrysulRiver.rep

CROSS SECTION OUTPUT
~~ Li~~~V (~~p
W.~. Elev eft)
craw.s. eft)
E.G. slope (ft/ft)
Q Total (cfs)
Top width (ft)
Vel Tot..., (ft/s)
MaxChlOpth(ft)
cony. Total (cfs)
LengthWtd. (ft)
flIinChE1Cft)
Alpha
FrctnLoss(ft)
C & E loss (ft)

profile 'SOO-y~ilr
779&.11 Element
0.93 wt. n-val.
7797.17 Reaehlen. (ft)
7797.04 Flow Area (sq ft)
0.007255 Area (sq ft)
2,1s.oo Fl_ ~cfs)
472.70 TOpW1dth(ft)
5.92 Avg.vel. (ft/s)
5.0B Hydr.Depth(ft)
29526.3 Cony. ((F5)
510.11 wetted Per. eft!
7792.09 shear (lb/sqft
1.71 strumpC<Hf<r (lIft sJ
4.ll Cum volume (acre-fe)
0.03 cum SA (acres)

Left 08
0.050
503.03
298.74
303.49
1317.9&
137.85
4.45
2.35
15590.6
128.37
1.05
4.69
28.34
17.72

chllnnel
0.035
520.29
100.62
100.62
1015.60
19.80
10.69
5.08
12627.6
19.80
2.30
24.&1
50.42
10.90

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warning;
warning;
Note;

Divided flow computed for this cross-section.
:tt~/~~~g~J~~~t:a~~r~:~~r f~~a~dai~it:.a~Oc~o~;' !o~~~i~~~.the current and previou!o cross section.
Multiple critical depths wefe found at this location. The critical depth with the lowest, valid,
surface was used.

Manning's n values ""- ,
Sta n val m nval m nval '" n val '" nval
0 .06 232.06 ." 719.29 .035 744.6 ." 962.81 .06
BankSta: Left Right Length.: Left Channel Right cooffcontr. Expan.
719.29 744.6 453.78 527.62 576.04 .1 .1
Inoffect;veF1ow nurn_ ,
StaL SUR Elev Permanent
0 387.51 7795.2 ,
828.561335.197795.12 ,
CROSS SECTION OUTPUT profilenOO-year
~e1' H~~~v (~n) 7793.60 Element Loft OS Channel Ri6~~56a
1.20 ". n-val. 0.050 0.035
w.s. Elev(ft) 7792.40 Reach Len. (ft) 4S3.n 527.61 576.04
(rit w.s. (ft) 7792.40 Flow Area (sqft) 47.81 107.61 160.58
E.G. slope (fc/ft) 0.009808 ~j~: g~srt) 75.18 107.61 168.60
QTotal Ccfs) 2181.00 167.27 1186.91 826.82
~~~ ~~~~~ H~~s) 180.46 TOp wldth (fc) 74.04 25.31 81.11
6.90 AV~. vel. (ft/s~ L50 11.03 LIS
~~~v~hio~~ih (~m 4.29 Hyr.Depth(ft 1.2< 4.25 2.34
22022.6 Conv. (cfs) 1689.0 11984.8 8348.8
Lengthwcd. (fc) wected Per. (fc) 40.39 25.33 69.39
f'\inChEl (ft) 7788.11 ~~~:~m (~~~~~ m/ft s) 0.72 2.60 1.42
Alpha 1.62 2.54 28.69 7.30
FrctnLosS ~'" Cum Volume (acre-ft) 21.08 45.14 18.94
C.!. E LOSS '" CurnsA(acres) 13.04 10.61 1.2.16

CROSS SECTION

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RlvER:Cr,>,sta.l
REACH; Marble

RS; 100&3

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nWUT
oescription:
scacionElevationOata nUIII- 277
sta [lev Sta Elev sta Elev Sta Elev su [le.v
01824,46 2.977823.4 S.65 7822.3 9.667820.98 11.517820.11
16.27820,28 18.767820.1 34.557818.94 37.37818.75 42.4S7818.13
47.857817,49 50.357817.19 57.777816.06 58.247815.99 66.147814.79
68.957814.lS 74.037811.64 79.57812.79 81.93 7812.5 89.14 7811.57
89.827811.48 97.72 7810.5 100.6781C.13 105.617809.&3 111.lS7809.1l
120.527808-19 121.77808.07132.257807.22 137.197806.64 142.87806.26
151.97806.03160.887805.75 163.97805.66176.677804.16183.277803.44
U4.57 7803.3 191.467802.35 195.5> 7801.97200.367801.53 206.17800.78
208.257800,46214.657799.72 216.157799.56 216.65 7799.5 217.57799.4
222.517798,83225.75 7797.91131.597796.2231.797796.14 232.067796.06
243.347796.06 248.37795.98255.637795.97258.857795.98263.527795.78
269.47795.88271.427795.83277.417795.77 287.217795.62 290.57795.6
295.17795.55301.057795.41309.117795.09 310.417795.02 311.547794.66
315.747791.53 318.187792.86 319.247792.58 320.14 7792.35 320.817792.17
125.057791.98331.297791.69342.487791.31 344.897791.22 350.247791.11
353.767792,06 357.17793.07361.547794.4362.747794.79364.997794.83
371.547794.92374.067794.98381.957795.06 387.677795.18 3967795.17
402.917795.02413.5)7794.67417.117794.67 421.437794.64 427.667794.45
434.297794.37 437.227794.35 445.127794.23 448.767794.19 (5).017793.95
459.317793.96460.917793.9465.677793.7469.86 7793.5 476.77793.16
480.417793.22 490.967791.72 492.497793.79497.047793.75 500.187791.71
508.2& 1793,76 512.067793.7'.l 51.&.U 7793.93 528.427793.93 531.977793.94
533.167793,84539.867793.72 543.717793.69547.767793.63554.267793.87
559.87793.86563.557793.8564.817793.85575.367794.15 579.317794.23
585.917794.44 591.187794.48 603.027794.26 607.017794.41 610.927794.18
617.567794.17618.817794.11 622.557793.94 626.717793.69 634.617793.43
638.667793.J8 642.57793.32 649.217793.23 653.937793.21 658.297793.13
666.197793.04670.117792.98674.087792.71 680.867792.36 &81.83 7792.3
&87.967791..9 688.37191.84 &'n.417791.U &92.47791.01 6%.77790.22
698.9 7790.5 701.967790.98 708.177792.12 710.08 7792.4 712.87791.22
719.297781'1.2719.4977118.11 744.67788.18747.557788.51 754.717789.36
759.227789.85760.867789.91765.267789.98 767.937789.96 769.897789.78
775.33 7789.23 775.647789.29 779.447790.06 780.887790.32 784.87 7791.1
786.277791..3790.417790.94797.197790.33 798.67 7790.2 804.287789.67
807.257790.59807.467790.66 808.37790.92 816.27793.11 818.017793.89
820.987794,87 8UA27795.04 824.4 7795.1 821?.Sf> 7795.12 831.997794.88
839.117794.47840.397794.38846.017793.9 848.877793.11 853.0,7791.85
855.857791.14 856.717791.27 867.67793.01869.397793.3870.267793.38
879.367794.15 881.11 7794.3 891.116 7794.5 895.157794.58 902.41 7794.7
922.587794.71 942.77794.58947.877794.34952757793.93958.067792.95
962.817793.66 970.47795.37972.877796.26973.717796.46 982.27797.65
983.377797.81 990.847798.86 992.887798.921003.127799.111010.4S7799.47
1012.477799.54101\,15 7799.58 1018.6;" 77<:l9.&710B.38779'.l...B10n.417799.68
1030.77 7799.761045.04 7799.93 1048.92 7799.75 1052.37 7799.771073.58 7799.81
1075.47799.93~3.5;,.71100.021103.617799.961113.677800.0611U.84nOO.19
1123.731800.371133.787800.851150.647801.69 1153.97801.861155.117801.93
1157.2571102.051173.617801.821179.547801.751180.147801.651183.117801.19
1183.617801.131184.027801.071189.237803.591194.1371',06.031195.397806.69
1203.24 7810.61203.5671110.661204.197810.751206.967811.23 1214.24 7812.37
1218.22 7813.24 1224.37814.771227.78 78U.991214.16 7US-n1B8.S, 7816.04
12417816.221242.757816.611244.417816.971248.Sl7817.821253.837819.18
1254.647819.291262.867820.461264.537820.721265.427820.88 1267.27821.44
1274.5971',23.031277.51 7823.61281.497823.591285.167823.641292.567823.711
1294.77823.751297.077823.761304.7& 71123.86 B09.77823.95 BU.; 7824.15
1314.67824.291320.83 7825.11325.25 7825.31327.397825.741333.017826.28
1334.937826.4&1315.197826.49

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Ri8~~5g8
498.09
25.12
818.57
111.43
315.06
4.44
2.63
1308.2
10.82
1.05
4.66
29.69
15.80

warning:
warning:
warning:
warning:

The energy equation could not be balanced within che specifiednum berof ite.rations. The
g~~~~;~ f~~~ ~~~~~~;1 ~~~t~hf~rc~~:s~:;~~i~~~face and continued on with che calculations.
The velocity head hlls changed by more than 0.5 ft (0.15111). This may indicate the need for
additional cross sections.
The conveyance. rlltio (up5trean conveyance divided by downstream con veyllnce) is less than
page 46

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wacer