FLOOD10377 ‎(4)‎

• County: Weld
• Community: Fort Collins
• Stream Name: Cache La Poudre River
• Title: Volume II - Hydraulic Analysis for the Cache La Poudre River between Timnath Diversion Dam and College Ave. - Appedix G.4
• Date: 4/11/2006
• Prepared For: Fort Collins
• Prepared By: Anderson Consulting Engineers, Inc.
• Floodplain - Doc Type: Floodplain Report/Masterplan

EXIOOQ06.0H2
SECNO DEPTH CWSEL CRIWS WSELK EG HV HL OLOSS L- BANK ELEV
Q QLOB QCH QROB ALOB ACH AROB VOL TWA R-BANK ELEV
TIME VLOB VCH VROB XNL XNCH XNR WTN ELMIN SSTA
SLOPE XLOBL XLCH XLOBR I TRIAL IDC ICONT CORAR TOPWID ENDST .
3420 BRIDGE W.S.= 4929.02 BRIDGE VELOCITY= 5.67
CALCULATED CHANNEL AREA= 946.
EGPRS EGLWC H3 QWEIR QLOW BAREA TRAPEZOID I ELLC ELTRD WEIRLN
AREA
.00 4929.84 .06 O. 5370. 2461. 3189. I 4938.90 4938.00 O.
!
3495 OVERBANK AREA ASSUMED NON-EFFECTIVE, ELLEA= 4932" 80 ELREA= I 4939.50
221702.000 7.86 4929.06 .00 4929.06 4929.84 .61 .00 .00 4932.80
5370.0 .0 5370.0 .0 .0 857.4 .0 1066.4 403.2 4939..50
1.72 .00 6.26 .00 .000 .035 .000 I .000 4921. 20 11400.'77
.002903 110. 65. 95. 0 0 0 I .00 187.34 11588.11
'SECNO 222377.000
3302 WARNING: CONVEYANCE CHANGE OUTSIDE OF ACCEPTABLE RANGE, KRATIO = '1.51
I
222377.000 9.11 4930.81 4927.37 4930.81 4931.19 .39 I 1. 28 .07 4929.40
5370.0 9.8 4984.0 376.1 11.5 965.1 346.1 I 1085.3 407.9 4925.10.
1. 76 .86 5.16 1.09 .065 .035 .090 I .000 4921.70 11328.99
.001281 400. 675. 1200. 3 19 0 .00 311.32 11640.31
I
'SECNO 222452.000 I
CLASS A LOW FLOW I
i
3420 BRIDGE W.S.= 4930.79 BRIDGE VELOCITY= 3.30 CALCULATED CHANNEL AREA= 1626.
EGPRS EGLWC H3 QWEIR QLOW BAREA TRAPEZOID ELLC ELTRD WEIRLN
AREA
.00 4931.19 .03 O. 5370. 2946. 2901. 4935.60 4939.60 O.
222452.000 9.41 4930.81 .00 4930.81 4931.19 .32 .00 .00 4928.80
5370.0 6.8 4709.5 653.7 7.6 982.5 524.2 1087.8 408.5 4927.60
1. 76 .89 4.79 1.25 .065 .035 .090 .000 4921.40 11178.96
.001059 75. 75. 75. 0 0 0 .00 308.78 11487.74
09MAR06 15:41:12 PAGE 39 .
SECNO DEPTH CWSEL CRIWS WSELK EG HV HL OLOSS L-BANK ELEV
Q QLOB QCH QROB ALOB ACH AROB VOL TWA R - BANK ELEV
TIME VLOB VCH VROB XNL XNCH XNR WTN ELMIN SSTA
SLOPE XLOBL XLCH XLOBR ITRIAL IDC ICONT CORAR TOPWID ENDST
'SECNO 223617.000
3301 HV CHANGED MORE THAN HVINS
7185 MINIMUM SPECIFIC ENERGY
3720. CRITICAL DEPTH ASSUMED
3470 ENCROACHMENT STATIONS= .0 10400.0 TYPE= TARGET= 10400.000
223617.000 5.11 4933.31 4933.31 "4933.31 4934.93 1. 62 2.91 .65 4934.40
5370.0 .0 5370.0 .0 .0 525.7 .0 1112.9 414.1 4934.00
1. 79 .00 10.21 .00 .000 .035 .000 .000 4928.20 10125.23
.012583 1300. 1165. 800. 0 11 0 .00 163.52 10288.75

'SECNO 224597.000

3301 HV CHANGED MORE THAN HVINS

3302 WARNING: CONVEYANCE CHANGE OUTSIDE OF ACCEPTABLE RANGE, KRATIO = 2.46

224597.000
5370.0
1. 85
.002073

9.68
1158.2
1.39
910.

4938.98
4211. 8
5.66
980.

4935.94
.0
.00
880.

4938.98
833.2
.046
4

4939.37
744.5
.035
11

.40
.0
.000
o

4.08
1135.9
.000
.00

.37
427.5
4929.30
1088.72

4938.00
4960: 00
9394.36
10483: 08

'SECNO 226167.000
3302 WARNING: CONVEYANCE CHANGE OUTSIDE OF ACCEPTABLE RANGE, KRATIO= 1. 46
226167.000 9.43 4941.03 4936.65 4941. 03 4941. 43 .40 2.06 .00 4941. 90
5370.0 .0 5275.5 94.5 .0 1031. 4 118.9 1118.3 444.4 4939.30
1. 93 .00 5.11 .79 .000 .035 .053 .000 4931. 60 9001.69
.000977 900. 1570. 1360. 2 11 0 .00 270.90 9272,59

'SECNO 227397.000

.

P:\COFC2003\10 - Oxbow Levee\LOMR\FinDisk (Fioal)\Appendix G\FEMA Models\Existiog Models\EXIOPQ06.doc

Page 22 of 49

Created on 3/9/2006 3:42 PM