2020-07-14_PERMIT FILE - C1981008

• Permit No: C1981008
• IBM Index Class Name: Permit File
• Doc Date: 7/14/2020
• Doc Name: Pond 013 Postmining SEDCAD Modeling
• Section_Exhibit Name: Section 2.05.3‎(3)‎ Attachment 2.05.3‎(3)‎-32
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
13
Suhwatershed Hydrology Detail;
SWS Area Time of Musk K Curve Peak Runoff
Stru SWS Conc Musk X UHS Discharge Volume
# # (ac) (hrs) (hrs) Number (cfs) (ac-ft)
#3 1 5.950 0.043 0.000 0.000 83.000 M 4.65 0.344
2 0.760 0.000 0.000 0.000 57.000 M 0.00 0.000
1 6.710 4.65 0.344
#5 ��i� 6.710 4.65 0.344
#4 1 100.000 0.000 0.000 0.000 74.000 M 40.62 2.911
w 100.000 40.62 2.911
#2 1 30.900 0.291 0.000 0.000 83.000 M 13.06 1.429
2 7.110 0.118 0.000 0.000 83.000 M 5.56 0.411
3 17.760 0.174 0.000 0.000 83.000 M 8.77 0.835
4 3.340 0.031 0.000 0.000 83.000 M 2.61 0.193
5 1.140 0.006 0.000 0.000 57.000 M 0.00 0.000
166.960 34.18 6.123
#1 ��i� 166.960 2.89 8.179
Sub watershed Sedimentology Detail;
Peak Peak
Stru SWS Soil K L(ft) S(%) C P PS# Sediment Sediment Settleable 24VW
# # (tons) Conc. Conc (ml/1)
(mg/1) (ml/1)
#3 1 0.300 200.00 8.80 0.8000 0.3800 1 17.9 74,702 35.18 17.66
2 0.300 200.00 8.80 0.0700 0.3800 1 0.0 1 0.00 0.00
E 17.9 74,702 35.18 17.66
#5 :E 17.9 74,702 35.18 17.66
#4 1 0.300 200.00 0.10 0.0100 0.3800 1 0.1 47 0.02 0.01
E 0.1 47 0.02 0.01
#2 1 0.300 200.00 2.30 0.8000 0.3800 1 17.6 17,015 5.80 3.08
2 0.300 200.00 3.70 0.8000 0.3800 1 7.4 26,329 12.40 6.19
3 0.300 200.00 2.90 0.8000 0.3800 1 12.8 21,603 8.17 4.22
4 0.300 200.00 7.90 0.8000 0.3800 1 8.0 59,648 28.09 14.08
5 0.300 108.00 32.30 0.8000 0.3800 1 0.0 1 0.00 0.00
E 63.7 29,122 12.12 3.16
#1 1: 21.9 4,035 0.21 0.14
Filename: Pond 013 10 Yr-24 Hr Event.sc4 Printed 07-09-2020