FLOOD05658

• County: Weld
• Basin: South Platte
• Title: Project Notebook for I-25 Corridor Master Drainage Plan South Weld County: Volume 1 of 2
• Date: 12/6/1999
• Prepared For: Weld County Public Works
• Prepared By: Anderson Consulting Engineers, Inc.
• Floodplain - Doc Type: Floodplain Report/Masterplan

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Weld County 1-25 Master Drainage Plan
Sub-basin information used for CUHP hydrologic model
Project number: CO-WELD-D1

Godding Hollow Basin - Existing conditions

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1 779.3 1.218 6000 1.136 T800 0.341 10.6 0.0043 0.' 0.1 B 9.9 1.27 0.1 3.0 0.0 0.5 0_0018
C 69.9 8.97 0.3 0.0
D 699.5 89.76 2.7 0.4
Total: 779_3 100.0 3.0 05
2 284.2 0.444 7000 1.326 3800 0.720 17.9 0.0029 0.' 0.1 B 173 6.09 03 3.1 0.0 0.5 0.0018
C 161.9 56.97 17 0.3
D 105.0 36.95 1.1 0.2
Total: 284.2 100.0 3.1 05
3 687.9 1.075 9700 1.837 3800 0.720 19.0 0.0065 0.4 O.T A 22.9 3.33 0.2 3.8 0.0 0.6 0.0018
B 334.9 48.68 2.2 0.3
C 151.3 21.99 0.7 0.1
D 178.8 25.99 08 0.1
Total: 687.9 100.0 3.8 06
4 772.4 1.207 8700 1.648 3300 0.625 18.4 0.0080 0.4 0.1 B 668.9 86.60 3.9 I 4.3 0.5 0.6 0.0018
C 103.5 13.40 0.4 0.1
Total: 772.4 100.0 '.3 0.6
5 836.8 1.308 9100 1.723 3300 0.625 13.2 0.0074 D.' 0.1 B 533.5 63.75 2.9 '.0 0.4 0.6 0.0018
C 288.9 34.52 1.0 02
D 14.4 1.72 0.1 0.0
Total: 836.8 100.0 '.0 0.6
6 886.5 1.385 9300 1.761 3000 0.568 20.7 0.0069 0.' 0.1 B 684.5 77.21 35 '2 0.5 06 0.0018
C 202.0 22.79 0.7 0.1
Total: 886.5 100.0 '.2 0.6
7 946.2 1.478 10400 1.970 3000 0.568 10.2 0.0071 0.4 0.1 B 516.5 54.59 2.5 3.8 0.3 0.6 0.0018
C 429.7 45.41 1.. 0.2
Total: 946.2 100.0 3.8 0.6
8 265.5 0.415 6500 1.231 1800 0.341 10.1 0.0102 0.4 0.1 B 64.9 31.98 1.4 3.5 0.2 05 0.0018
C 180.8 68.02 2.0 0.3
Total: 265.5 100.0 3.5 0.5
9 185.4 0.290 5900 1.117 1400 0.265 10.0 0.0114 0.' 0.1 B 33.8 18.23 0.8 33 0.1 0.5 0.0018
C 151.6 81.77 2.5 0.'
Total: 185.4 100.0 33 0.5
10 142.5 0.223 3400 0.644 800 0.152 56.5 0.0181 D.' 0.1 B 43.9 30.81 1.' 3.5 0.2 0.5 0.0018
C 98.6 69.19 2.1 0.3
Total: 142.5 100.0 3.5 05
11 117.3 0.183 3500 0.663 900 0.170 29.7 0.0123 O. 01 B 0.8 0.68 0.0 3.0 0.0 0.5 0.0018
C 116.5 99.32 3.0 0.5
Total: 117.3 100.0 3.0 0.5
12 65.1 0.102 3400 0.644 1400 0.265 10.0 0.0125 0.' 0.1 C 65.1 100.00 3.0 3.0 0.5 0.5 0.0018
Total: 65.1 100.0 3.0 0.5
13 193.2 0.302 4400 0.633 1800 0.341 10.0 0.0166 0.' 0.1 C 193.2 100.00 3.0 3.0 0.5 0.5 0.0018
Total: 193.2 100.0 3.0 05
" 154.1 0.241 4300 0.814 1900 0.360 10.0 0.0166 0.4 0.1 C 154.1 100.00 3.0 30 0.5 05 0.0018
Total: 154.1 100,0 3.0 05
15 61.3 0.096 1950 0.369 700 0.133 11.7 0.0133 0.4 0.1 C 61.3 100.00 3.0 30 0.5 0.5 0.0018
Total: 61.3 100.0 3.0 0.5
16 131.1 0.205 3400 0.644 1600 0.303 10.0 0.0146 0.' 0.1 C 131.1 100.00 3.0 3.0 0.5 0.5 0.0018
Total: 131.1 100.0 3.0 0.5
17 223.1 0.349 4100 0.777 1500 0.284 10.5 0.0255 0.' 0.1 B 13.7 6.14 0.3 3.1 0.0 0.5 0.0018
C 209.4 93.86 2.8 0.5
Total: 223.1 100.0 3.1 0.5
20 154.4 0.241 4100 0.777 1800 0.341 10.0 0.0119 0.' 0.1 B '.6 2.98 0.1 30 0.0 05 0,0018
C 149.8 97.02 2.9 0.5
Total: 154.4 100.0 3.0 0.5
21 372.0 0.581 6400 1.212 3000 0.568 11.0 0.0086 0.' 0.1 B 191.0 51.34- 2.3 38 0.3 06 0.0018
C 181.0 48.66 1.5 0.2
Total: 372.0 100.0 3.8 0.6
22 321.0 0.502 5600 1.061 2700 0.511 14.8 0.0151 0.' 0.1 B 50.' 18.82 0.8 33 0.1 0.5 0.0018
C 260.8 81.18 2.' 0.'
Total: 321.0 100.0 3.3 0.5

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P:\COWELD01 \SPREADS\HYDRO JNFO.XLS

11/24/99