FLOOD10377 ‎(3)‎

• 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. - Appendix G.5
• Date: 4/11/2006
• Prepared For: Fort Collins
• Prepared By: Anderson Consulting Engineers, Inc.
• Floodplain - Doc Type: Floodplain Report/Masterplan

RCIOOQ06,OH2

'I NC 0.10 0.056 0.035 0.5 0.8
. OLD SECTION 264493
ENCROACHMENT FOR EFFECTIVE AREA
Xl 265197 18.00 5055.00 5149.00 235.00 180.00 235.00 .00 .00 .00
X3 6110
GR 5160.0 5000.0 5107.9 5055.0 5105.0 5067.0 5103.1 5100.0 5106.1 5137.0
GR 5114.2 5149.0 5117.0 5330.0 5117.8 5575.0 5117.5 5810.0 5116.0 5965.0
GR 5114.0 6055.0 5114.0 6095.0 5116.0 6110.0 5116.0 6130.0 5110.0 6150.0
GR 5110.0 6395.0 5130.0 6470.0 5150.0 6485.0 0.0 0.0
* ***... * **** ** ** ****** ** ****** ** * *** ** * * ** * * ***** * ** *** ** * ***** ******* ** **** * * * *
STARTING WATER SURFACE ELEVATIONS MATCH THOSE USED IN THE EFFECTIVE LOWER
Q 100-, 50-, AND 10-YEAR FLOODPLAIN MODEL (LOWQ99.DAT) FROM THE 1999
TIMBERLINE ROAD LOMR AND WERE OBTAINED FROM THE 1993 LARIMER COUNTY
FIS RESTUDY.
******************************************************************************
*SECNO 218012.000
7185 MINIMUM SPECIFIC ENERGY
3720 CRITICAL DEPTH ASSUMED
218012.000 7.75 4922.65 4922.65 4922.64 4923.33 .68 2.30 .08 4922.00
5370.0 968.4 4401.6 .0 710.4 604.2 .0 941. 9 358.5 4924.50
1. 52 1. 36 7.28 .00 .040 .035 .000 .000 4914.90 8903.83
.002419 600. 812. 400. 0 5 0 .00 1184.25 10088.08
'SECNO 218017.000
3301 HV CHANGED MORE THAN HVINS
7185 MINIMUM SPECIFIC ENERGY
3720 CRITICAL DEPTH ASSUMED
218017 .000 6.66 4924.56 4924.56 4924.55 4924.67 .11 .01 .17 4924.50
5370 . 0 3349.0 2021.0 .0 2049.1 519.2 .0 942.1 358.6 4924.50
1. 52 1. 63 3.89 .01 .040 .035 .000 .000 4917.90 8567.22
.000826 5. 5. 5. 0 23 0 .00 1521. 00 10088.22
'SECNO 218990.000
3265 DIVIDED FLOW
218990.000 8.00 4925.10 4922.91 4925.10 4925.29 .19 .58 .04 4922.00
5370.0 1962 . 6 3176.0 231.4 1890.5 705.8 232.8 977.1 373.6 4922.00
1.58 1. 04 4.50 .99 .070 ,035 .090 .000 4917.10 9114.26
.000847 400. 973. 1200. 3 9 0 .00 1336.50 10675.33
. 'SECNO 219777.000
1
09MAR06 16:05:36 PAGE 37
SECNO DEPTH CWSEL CRIWS WSELK EG HV HL OLOSS L-BANK ELEV
Q QLOB QCH QROB ALOB ACH AROB VOL TWA F.-BANK ELEV
TIME VLOB VCH VROB XNL XNCH XNR WTN ELMIN SSTA
SLOPE XLOBL XLCH XLOBR I TRIAL IDC ICONT CORAR TOPWID ENDST
32 65 DIVIDED FLOW
3302 WARNING: CONVEYANCE CHANGE OUTSIDE OF ACCEPTABLE RANGE, KRATIO ~ .58
219777.000 9.48 4925.88 4923.91 4925.88 4926.56 .67 1. 03 .24 4928.00
5370.0 10.2 3980.5 1379.4 28.9 525.9 716.9 1009.7 386.7 4924.00
1. 61 .35 7.57 1. 92 .070 .035 .090 .000 4916.40 10031. 23
.002533 555. 787. 850. 3 8 0 .00 472.44 10721.52
'SECNO 220627.000
3302 WARNING: CONVEYANCE CHANGE OUTSIDE OF ACCEPTABLE RANGE, KRATIO ~ 1. 66
220627.000 9.12 4927.62 4924.57 4927.62 4927.84 .22 1.15 .14 4926.00
5370.0 14.6 4761. 2 594,2 26.2 1190.3 610.9 1036.1 395.0 4924.00
1. 67 .56 4.00 .97 .070 .035 .090 .000 4918.50 11 7 07 . 65
.000919 800. 850. 600. 2 14 0 .00 538.97 12246.62
'SECNO 221637.000
3301 HV CHANGED MORE THAN HVINS
3302 WARNING: CONVEYANCE CHANGE OUTSIDE OF ACCEPTABLE RANGE, KRATIO .46
3495 OVERBANK AREA ASSUMED NON-EFFECTIVE, ELLEA~ 4932.20 ELREA~ 4938.80
221637.000 6.66 4929.06 4927.58 4929.06 4929.84 .78 1. 72 .28 4932.20
. 5370.0 .0 5370.0 .0 .0 757.6 .0 1065.2 402.9 4938.80
1.71 .00 7.09 .00 .000 .035 .000 .000 4922.40 11431.41
.004266 970. 1010. 890. 3 11 0 .00 184.08 11615.49

P:\COFC2003\1O - Oxbow Levee\LOMR\FinDisk (Final)\Appendix G\FEMA Models\Revised Models\RCI00Q06.doc

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Created on 3/9/2006 4:06 PM