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

3495 OVERBANK AREA ASSUMED NON-EFFECTIVE, ELLEA= 4962.00 ELREA= 4966.00
230897.000 9.02 4961. 62 .00 4961. 62 4961. 81 .18 .03 .00 4964.00 .
5450.0 -.0 5450.0 .0 .0 1584.7 .0 1267 . 5 463.9 4966.00
2.12 .00 3.44 .00 .000 .035 .000 .000 4952.60 7708.91
.000781 80. 80. 80. 0 0 0 .00 319.20 8028.12
'SECNO 231007.000
3495 OVERBANK AREA ASSUMED NON-EFFECTIVE, ELLEA= 4966.00 ELREA= 4970.00
231007.000 11. 40 4961.80 4958.23 4961. 80 4961.89 .10 .06 .03 4966.00
5450.0 .0 5450.0 .0 .0 2183.8 .0 1272.2 464.9 4970.00
2.13 .00 2.50 .00 .000 .035 .000 .000 4950.40 7904.45
.000413 110. 110. 110. 3 9 0 .00 441. 54 8346.00
'SECNO 231022.000
CLASS A LOW FLOW
09MAR06 15: 41: 12 PAGE 46
SECNO DEPTH CWSEL CRIWS WSELK EG HV I 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 I CONT I CORAR TOPWID ENDST
3420 BRIDGE W.S.= 4961. 73 BRIDGE VELOCITY= 3.21 CALCULATED CHANNEL AREA= 1696.
EGPRS EGLWC H3 QWEIR QLOW BAREA TRAPEZOID ELLC ELTRD WEIRLN
AREA
.00 4961.94 .02 O. 5450. 4971. 4639. 4969.50 4966.00 O.
3495 OVERBANK AREA ASSUMED NON-EFFECTIVE, ELLEA= 4966.00 ELREA= 4970.00
231022.000 11.11 4961.81 .00 4961. 81 4961.94 .12 .04 .00 4966.00
5450.0 .0 5450.0 .0 .0 1957.4 .0 1272.9 465.0 4970.00
2.13 .00 2.78 .00 .000 .035 .000 .000 4950.70 7904.65
.000594 15. 15. 15. 0 0 0 .00 441.40 8346.06
'SECNO 232222.000 .
3495 OVERBANK AREA ASSUMED NON-EFFECTIVE, ELLEA= 4964.00 ELREA= 4964.90
232222.000 6.03 4962.53 4958.89 4962.53 4962.71 .19 .75 .03 4964.00
5450.0 .0 5450.0 .0 .0 1564.3 .0 1321.4 474.7 4964.90
2.22 .00 3.48 .00 .000 .035 .000 .000 4956.50 9230.20
.000650 320. 1200. 1470. 3 17 0 .00 259.87 9490.'07
'SECNO 232227.000
3301 HV CHANGED MORE THAN HVINS
7185 MINIMUM SPECIFIC ENERGY
3720 CRITICAL DEPTH ASSUMED
3495 OVERBANK AREA ASSUMED NON-EFFECTIVE, ELLEA= 4964.00 ELREA= 4964.90
232227.000 2.66 4964.16 4964.16 4964.16 4965.08 .92 .01 .37 4964.00
5450.0 42.4 5407.6 .0 76.4 699.4 .0 11321. 6 474.8 4964.90
2.22 .56 7.73 .00 .083 .035 .000 .000 4961. 50 8717.97
.010927 5. 5. 5. 0 14 0 .00 772 .10 9490.08
I
'SECNO 233367.000 I
1 I
o 9MARO 6 15:41:12 PAGE 47
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
3265 DIVIDED FLOW
3301 HV CHANGED MORE THAN HVINS I
I
3302 WARNING: CONVEYANCE CHANGE OUTSIDE OF ACCEPTABLE RANGE, KRATIO = 2.81
233367.000 9.57 4968.27 4965.55 4968.27 4968.65 .38 I 3.40 .16 4966.80 .
5450.0 1246.4 3780.7 422.8 925.7 641. 6 554.3 1358.0 499.0 4966..20
2.30 1. 35 5.89 .76 .055 .035 .083 .000 4958.70 8543.14
I
P:\COFC2003\IO - Oxbow Levee\LOMR\FinDisk (Final)\Appendix G\FEMA Models\Existiog Models\EXI00Q06.doc
Page 26 of 49 Created on 3/9/2006 3:42 PM