PERMFILE57171

• Permit No: C1981014
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: pages 93R to 155L
• Section_Exhibit Name: EXHIBIT 19 MINE AREA DIVERSIONS AND DITCHES
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
CppyrlpM 1998 Pamela J. Schwab
Civil SoMxare Design
6

Subwatershed Hydro%gy Detai/;

S[ru
#
SWS
# SWS Area

(ac) Time of
Conc

(hrs) Musk K

(hrs) Curve
Musk X

Number
UHS Peak
Discharge

(ds) Runoff
Volume

(ac-ft)
#1 1 885.200 0.850 0.000 0.000 69.000 M 390.47 88.898
885.200 390.47 88.896
#2 1 450.900 0.810 0.000 0.000 59.000 M 139.64 34.166
1,336.100 526.79 123.084
Subwatershed Time of Concentration Detai/s;

•
stru SWS
# # land Flow Condition Sbpe (%) Vert. Dist
(ft) Horiz. Dist
(ft) Velocity
(fps) Ttme (hrs)
#1 1 3. Short grass pasture 60.00 300.00 499.99 6.190 0.022
6. Grassed waterway 61.54 800.00 1,300.00 11.760 0.030
6. Grassed waterway 23.08 300.00 1,300.00 7.200 0.050
6. Grassed waterway 16.00 400.00 2,500.00 6.000 0.115
6. Grassed waterway 13.04 300.00 2,300.01 5.410 0.118
6. G255ed waterway 9.73 360.00 3,700.01 4.670 0.220
7. Paved area and small upland
gullies 4,00 80.00 2,000.00 4.020 0.138
8. Large gullies, diversions, and low
flowing streams 0.50 6.00 1,200.00 2.120 0.157
#1 1 Time of Concentration: 0.850
#2 1 3. Short grass pasture 40.00 80.00 200.00 5.050 0.011
6. Grassed waterway 35.29 600.00 1,700.00 8.910 0.052
6. Grassed waterway 12.50 400.00 3,200.00 5.300 0.167
6. Grassed waterway 6.00 420.00 7,000.00 3.670 0.529
8. Large gullies, diversions, and low
Flowing streams 1.00 4.00 400.00 3.000 0.037
8. Large gullies, diversions, and low
flowing streams 7,00 28.00 400.00 7.930 0.014
#2 1 Time of Concentration: 0.810
Filename: magpie.sc4
TR-32
154c
Printed 09-28.2001
Revised 10/01