PERMFILE70936

• Permit No: C1982056
• IBM Index Class Name: Permit File
• Doc Date: 9/10/2004
• Section_Exhibit Name: Exhibit 08t 18 Right Ventilation Shaft Ditch & Culvert Design & SAE Demonstration
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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• Subwatershed Hydro%gy Detai/;

Stru
#
SWS
# SWS Area

(ac) Time of
Conc

(hrs) Musk K

(hrs)
Musk X Curve
UHS
Number Peak
Discharge

(ds) Runoff
Volume

(ac-ft)
#1 1 19.514 0.230 0.000 0.000 63.000 M 0.13 0.098
2 0.800 0.063 0.000 0.000 89.000 F 0.74 0.058
20.314 0.74 0.156
#2 ~ 20.314 0.74 0.156
Subwatershed Time of Concentration Detai/s:

•
Stru SWS Land Flow Condition slope (%) Vert. Dist. Horiz, Dist. Velocity Tme (hrs)
# # (ft) (R) (fps)
#1 1 2. Minimum tillage cultivation 15.77 191.60 1,215.00 1.980 0.170
8. Large gullies, diversions, and low 4.55 63.47 1,395.00 6.390 0.060
Flowing streams
#1 1 Time of Concentration: 0.230
#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 4.56 63.61 1,394.95 6.400 0.060
Flowing streams
#1 2 Time of Concentration: 0.063
Filename: Road Ditch 6 and Culvert 6.sc4 Printed 04-20-2004