2009-09-21_PERMIT FILE - C1981010A ‎(48)‎

• Permit No: C1981010A
• IBM Index Class Name: Permit File
• Doc Date: 9/21/2009
• Doc Name: Horse Gulch Fill Diversion Ditch Designs
• Section_Exhibit Name: Appendix T
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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•
Subwatershed Hydrology Detail.

Stru
#
SWS
# SWS Area

(ac) Time of
Conc
(hrs) Musk K

(hrs)
Musk X Curve

Number
UHS Peak
Discharge
(cfs) Runoff
Volume
(ac-ft)
#4 1 2.600 0.057 0.000 0.000 87.000 F 2.95 0.231
2.600 2.95 0.231
#3 1 5.700 0.114 0.000 0.000 87.000 F 6.46 0.506
5.700 6.46 0.506
#2 1 20.700 0.219 0.000 0.000 87.000 F 19.21 1.836
20.700 19.21 1.836
#1 1 30.300 0.234 0.000 0.000 87.000 F 27.78 2.688
30.300 27.78 2.688
#5 1 11.600 0.060 0.000 0.000 47.000 S 0.00 0.000
2 1.700 0.093 0.000 0.000 87.000 F 1.93 0.151
3 2.300 0.125 0.000 0.000 87.000 F 2.25 0.204
74.900 55.42 5.615
• Subwatershed Time of Concentration Details;
•
Stru
# . SWS
# Land Flow Condition Slope (°k) Vert. Dist.
(ft) Horiz. Dist.
(ft) Velocity
(fps) Time (hrs)
#1 1 5. Nearly bare and untilled, and
alluvial valley fans 11.11 20.00 180.00 3.330 0.015
6. Grassed waterway 5.43 150.00 2,760.00 3.490 0.219
#1 1 Time of Concentration: 0.234
#2 1 5. Nearly bare and untilled, and
alluvial valley fans 12.50 75.00 600.00 3.530 0.047
6. Grassed waterway 2.00 26.40 1,320.00 2.120 0.172
#2 1 Time of Concentration: 0.219
#3 1 5. Nearly bare and untitled, and
alluvial valley fans 30.30 100.00 330.00 5.500 0.016
6. Grassed waterway 2.00 15.00 750.00 2.120 0.098
#3 1 Time of Concentration: 0.114
#4 1 5. Nearly bare and untilled, and
alluvial valley fans 33.33 100.00 300.00 5.770 0.014
6. Grassed waterway 2.00 6.60 330.00 2.120 0.043
#4 1 Time of Concentration: 0.057
#5 1 1. Forest with heavy ground litter 11.11 20.00 180.00 0.840 0.059
6. Grassed waterway 644.44 1,740.00 270.00 38.070 0.001
#5 1 Time of Concentration: 0.060
#5 2 6. Grassed waterway 2.00 9.59 480.00 2.120 0.062
Filename: SHGF Diversions May 2009.sc4 Printed 06-04-2009
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