PERMFILE61192

• Permit No: C1982056A
• IBM Index Class Name: Permit File
• Doc Date: 9/14/2005
• Section_Exhibit Name: Exhibit 8x 6 Main North Intake Shaft Drainge & Sed Control System Design
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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Subwatershed Hydro%gy Detai/;

Stru
#
SWS
~ 6W5 Area

(ac) Time of
Conc

(hrs) Musk K

(hrs) Curve
Musk X
Number Peak
UHS Discharge

(6s) Runoff
Volume

(ac-ft)
#1 1 5.248 0.112 0.000 0.000 63.000 M 0.06 0.026
2 0.548 0.028 0.000 0.000 89.000 F~ 0.51 0.039
5.796 i 0.51 0.066
tt 2 ~ 5.796 0.51 0.066
Subwatershed Time of Concentration Detai/s:

u
stru SWS
Land Flow Condition ~ (%)
Slo Vert. Dist. Horiz. Dist. Velocity Time (hrs)
# # (ft) (ft) (fps)
#1 1 2. Minimum tillage cultivation 6.31 32.00 506.86 1.250 0.112
tt 1 1 Time of Concentration: 0.112
#1 2 7. Paved area and small upland 1.00 0.25 25.00 2.010 0.003
gullies
8. Large gullies, diversions, and low 10.86 97.70 900.00 9.880 0.025
Flowing streams _
#1 2 Time of Concentration: 0.028
Filename: road drainage 1 and culvert 1.scA Printed OB-12-2004