2001-12-11_PERMIT FILE - C1996084 ‎(7)‎

• Permit No: C1996084
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Section_Exhibit Name: EXHIBIT 15-20 MINE AREA P4 SEDIMENT CONTROL POND 4-3
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
Copyright 7998 Pamela J Schwab
Civil Software Design
Subwatershed Hydro%gy Detai/:

Stru
#
5W5
#
SWS Area
(ac) Tme of
Conc
hrs
( )
Musk K
(hrs)
Musk X
Curve
Number
UH6 Peak
Discharge

(ds) Runoff
Volume ~

(ac-ft)
#3 1 1.680 0.003 0.000 0.000 80.000 M 2.17 0.165
2 2.500 0.007 0.000 0.000 94.000 F 5.15 0.469
4.180 7.33 0.634
#2 1 2.110 0.124 0.000 0.000 69.000 M 1.52 0.108
2 2.290 0.008 0.000 0.000 94.000 F 4.72 0.430
3 0.310 0.005 0.000 0.000 69.000 S 0.22 0.016
S' 4.710 6.46 0.554
#1 1 1.800 0.055 0.000 0.000 69.000 M 1.29 0.093
2 1.670 0.006 0.000 0.000 94.000 F 3.44 0.314
3.470 4.74 0.406
7F4 S 12.360 18.15 1.595
i!5 ~ 12.360 18.15 1.595
Subwatershed Sedimentology Detai/:

Stru
#
SWS
#

Soil K

L (ft)

S (%)

C

P

~ #
Sediment
(tons) Peak
Sediment
Conc.
(mg/I) Peak
Settleable
Conc
(ml/I)
24VW
(ml/I)
#3 1 0.240 175.00 20 .00 0.0120 1.0000 3 0.7 6,417 3.48 1.79
2 0.370 100.00 33 .00 0.7100 1.0000 1 240.1 540,683 293.48 170.26
240.8 433,916 235.53 131.89
#2 1 0.370 175.00 13 .00 0.0060 1.0000 1 0.2 3,300 1.79 0.80
2 0.370 100.00 39 .00 0.7100 1.0000 1 256.2 609,459 330.81 193.22
3 0.240 100.00 33 .00 0.0060 1.0000 3 0.0 3,909 2.12 1.14
~, 256.5 571,984 310.47 156.21
#1 1 0.370 125.00 23. 00 0.0060 1.0000 1 0.3 5,241 2.84 1.27
2 0.370 100.00 47. 00 0.7100 1.0000 1 213.6 674,452 366.09 215.37
213.9 634,224 344.25 172.87
#4 ~ 711.2 531,827 288.67 151.23
#5 ~', 711.2 637,512 346.04 150.94
•
Filename: Ditches Pond 4-3 (except D-1).sc4 Printed 04-18-2001