PERMFILE54004

• Permit No: C1981022A
• IBM Index Class Name: Permit File
• Doc Date: 3/1/2005
• Doc Name: Hubbard Crk Fansite Ditches HCD-1, HCD-4, Culvert HCC-1, Sediment Pond F /10yr 24hr
• Section_Exhibit Name: Exhibit 2.05-E3 Section 10nn
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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Subwatershed Hydro%gy Detai/.•

Stru
#
SWS
#
SWS Area
(ac) Time of
Conc
(hrs)
Musk K
(hrs)
Musk X
Curve
Number
UHS Peak
Discharge

(mss) RunoR
Volume

(~-R)
#5 1 - 1.390 0.008 0.007 0.438 63.000 M 0.08 0.012
2 1.210 0.004 0.013 0.411 90.000 F 137 0.110
2.600 1.45 0.122
#2 1 1.040 0.033 0.014 0.178 90.000 M 1.18 0.095
1.040 1.18 0.095
#3 ~ 3.640 2.63 0.217
#4 1 3.590 0.013 0.000 0.457 63.000 M 0.21 0.030
2 0.350 0.001 0.000 0.000 90.000 F 0.40 0.032
7.580 3.23 0.279
Subwatershed Sedimento%gy Detai/;

S~

SW#S

Soil K

L (ft)

S (%)

C

P

PS #
Sediment
(tons) Peak
Sediment
Conc.
(mg/I) Peak
Settleable
Conc
(ml/I)
24VW
(ml/I)
#5 1 0.370 100.00 75.00 0.0380 1.0000 1 0.3 62,394 18.25 8.99
2 0.370 20.00 220.00 0.9000 1.0000 1 76.6 689,673 201.73 117.30
76.9 675,770 197.66 110.79
#2 1 0.370 300.00 68.00 1.0000 0.0380 1 8.4 115,533 33.79 18.44
8.4 115,427 33.71 18.39
iii ~ 85.2 454,362 132.88 74.32
#4 1 0.370 100.00 75.00 1.0000 0.0380 1 0.9 51,528 15.07 6.48
2 0.370 60.00 30.00 1.0000 0.9000 1 10.7 401,583 117.46 73.63
96.9 444,575 130.02 66.80
Subwatershed Time of Concentration Detai/s;
Stru SWS Land Flow Condition Slope (%) Vert. Dist. Horiz. Dist. Velocity Time (hrs)
# # (R) (R) (fps)
#2 1 5. Nearly bare and unfilled, and 2g 57 20.00 70
00 340
5 0
003
alluvial valley fans . . .
8. Large gullies, diversions, and low 5.75 46.00 800
00 7
190 0
030
flowing streams . . .
#2 1 Time of Concentration: 0.033
Flename: Pond3-10YR.sc4 Printed 02-16-2005