PERMFILE138818

• Permit No: C1981018
• IBM Index Class Name: Permit File
• Doc Date: 10/13/2004
• Doc Name: Post-Reclamation Refuse Area Runoff and Sedimentology Calculations
• Section_Exhibit Name: Illustration 49
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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13
•
Subwatershed Hydro%gy Detai/:

Slxu
#
SWS
# SWS Area

(ac) Time of
Conc
(hrs) Musk K

(hrs)
Musk X Curve

Number
UHS Peak
Discharge
(~) Runoff
Volume
(ac-ft
#3 1 3.560 0.015 0.000 D.D00 84.000 F 4.02 0.308
3.560 4.02 0.308
#7 1 0.810 0.025 0.000 0.000 84.000 F 0.92 0.070
2 8.490 0.525 0.000 0.000 84.000 F 5.78 0.735
~', 9.300 5.96 0.805
#5 1 5.550 0.050 0.000 0.000 84.000 F 6.27 0.481
14.850 11.30 1.286
#4 1 6.580 0.143 0.000 0.000 84.000 F 6.29 0.570
6.580 6.29 0.570
ik8 ~ 21.430 17.20 1.855
#2 1 2.150 0.059 0.000 0.000 84.000 F 2.43 0.186
23.580 19.63 2.041
#1 1 2.080 0.000 0.000 0.000 98.000 F 3.77 0.376
29.220 27.42 2.726
Subwatershed Sedimento%gy Detai/,•

Stru
#
SWS
#
Soil K
L (ft)
S (%)
C
p
~ #
Sediment
(tons) Peak
Sediment
Conc.
(mg/I) Peak
Settleable
Conc
(mlJl)
24VW
(mlJl)
#3 1 0.280 280.00 25.00 0.2400 1.0000 1 58.6 244,932 152.70 81.22
~,, 58.6 244,932 152.70 81.22
#7 1 0.280 120.00 12.10 0.2400 1.0000 1 2.8 55,831 34.81 18.21
2 0.280 200.00 6.25 0.2400 1.0000 1 15.5 29,372 16.86 9.38
18.3 30,525 17.78 10.21
#5 1 0.180 230.00 16.00 0.2400 1.0000 1 33.0 93,989 58.60 30.64
51.3 67,803 41.49 18.26
#4 1 0.280 330.00 19.00 0.2400 1.0000 1 86.1 203,469 124.54 66.59
86.1 203,469 124.54 66.59
#8 ~ 137.4 120,519 73.76 33.48
Filename: RP-4 terrace -final confguration - tODyr.sc4 Printed 07-28-2004