2001-12-11_PERMIT FILE - C1996084 ‎(8)‎

• Permit No: C1996084
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 15-19 MINE AREA P4 SEDIMENT CONTROL POND 4-1
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
Copyright 1988 Pamela J. SUwa6
Civil Software Design
Subwatershed Hydro%gy Detai/;

Stru
#
SWS
# SWS Area

(ac) Time of
Conc
)
(hrs Musk K

(hrs)
Musk X Curve

Number
UHS Peak
Discharge
(~) Runoff
Volume
(ac-R)
#1 1 13.670 0.094 0.000 0.000 69.000 F 9.82 0.703
2 2.040 0.099 0.000 0.000 69.000 M 1.47 0.105
3 3.390 0.011 0.000 0.000 94.000 F 6.99 0.637
4 2.970 0.012 0.000 0.000 94.000 F 6.12 0.558
5 0.990 0.004 0.000 0.000 94.000 F 2.04 0.186
S' 23.060 26.43 2.188
#2 1 3.370 0.017 0.000 0.000 94.000 F 6.95 0.633
26.430 31.40 2.821
#3 1 2.050 0.035 0.000 0.000 80.000 S 2.65 0.201
~'
v 28.480 34.05 3.021
Subwatershed Sedimento%gy Detai/;
C J

Stru
#
SWS
#
Soil K
L (f[)
5 (%)
C
p
PS #
Sediment
(tons) Peak
Sediment
Conc.
(mg/I) Peak
Settleable
Conc
(ml/I)
24VW
(ml/I)
#1 1 0.370 100.00 34.00 0.0060 1.0000 1 3.8 8,808 4.78 2.13
2 0.370 175.00 10.00 0.0060 1.0000 1 0.1 2,097 1.14 0.51
3 0.370 100.00 30.00 0.7100 1.0000 1 306.4 515,100 279.59 161.77
4 0.370 125.00 26.00 0.7100 1.0000 1 259.8 501,696 272.32 157.38
5 0.370 100.00 50.00 0.7100 1.0000 1 125.5 670,234 363.80 214.38
695.7 496,234 269.35 111.48
#2 1 0.370 225.00 6.00 0.7100 1.0000 1 63.0 125,999 68.39 38.26
758.5 428,984 232.83 96.56
#3 1 0.240 225.00 5.00 0.0120 1.OOD0 3 0.2 1,275 0.69 0.35
756.6 540,952 293.60 92.74
Subwatershed Time of Concentration Detai/s:
•
Stru
# SWS
# Land Ftow Condition Slope (%) Vert. Dist.
(ft) Horiz. Dist.
(R) Velocity
(fps) Time (hrs)
#1 1 1. Forest with heavy ground litter 34.29 120.00 350.00 1.480 0.065
#1 1 Time of Concentration: 0.094
#1 2 1. Forest with heavy ground litter 60.00 60.00 100.00 1.950 0.014
Filenames Ditches (north) to Pond 4-182.srA Printed 04-18-2001