PERMFILE65159

• Permit No: C1981022
• IBM Index Class Name: Permit File
• Doc Date: 7/21/2005
• Doc Name: Hubbard Creek Fansite Ditches HCD-1, HCD-4 Culvert HCC-1 Sediment Pond F ‎(25 Yr, 24 Hr)‎
• Section_Exhibit Name: Exhibit 2.05-E3 Section 10oo
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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Subwatershed Hydro/ogy Detai/;
Time of Peak Runoff
Stru SWS SWS Area Conc Musk K Musk X Curve UHS Discharge Volume
# # (ac) (hrs) Number
(hrs) (cfs) (ac-ft)
#S 1 2.340 0.008 0.007 0.438 63.000 M 0.50 0.091
2 0.560 0.004 0.013 0.411 90.000 F 0.81 0.067

~, 2.900 1.31 0.109
#2 1 1.620 0.033 0.014 0.178 90.000 M 2.36 0.195
1.620 2.36 0.195
#3 ~ 4.520 3.67 0.303
#4 1 3.680 0.013 0.000 0.457 63.000 M 0.82 0.068
2 0.120 0.001 0.000 0.000 90.000 F 0.17 0.014
£, 8.520 4.67 0.386
Subwatershed Sedimento%gy Detai/;

Stru
#
SWS
#
Soil K
L (ft)
S (%
)
C
P
PS #
Sediment
(tons) Peak
Sediment
Conc.
(mg/I) Peak
Settleable
Conc
(ml/I)
24VW
(ml/I)
#6 1 0.370 100.00 75.00 0.0360 1.0000 1 1.8 82,022 23.99 9.20
2 0.370 20.00 220.00 0.9000 1.0000 1 43.4 648,495 189.66 111.46
45.2 614,281 179.67 74.40
#2 1 0.370 300.00 68.00 1.0000 0.0380 1 18.5 122,250 35.76 19.68

--
- 18.4 122,138 35.67 19.63
#3 ~ i 63.6 269,222 78.71 41.52
#4 1 0.370 100.00 75.00 1.0000 0.0380 1 3.2 86,975 25.44 9.77
2 0.370 60.00 30.00 1.0000 0.9000
- 1 T 4.3 382,718 111.94 82.36
F, ~ - ~ __ - 71.1 271,784 79.46 37.02
Subwatershed Time of Concentration Detai/s;
S~u 5#S Land Flow Condition Slope (%) VertftDist.
( ) Hori ft Dist.
( ) Vef Sity
(P ) Tme (hrs)
5. Nearly bare and unfilled, and
#2 1
alluvial valley fans _ 2g 57
__ 20.00 70.00 5.340 0.003
8. Large gullies, diversions, and low
Bowing streams 5.75 46.00 800.00 7.190 0.030 I,
#2 1 Time of Concentration: 0.033
~~
Filename: PondF-25YR AB.sc4 Printed 06-14-2005