PERMFILE127221

• Permit No: C1982057A
• IBM Index Class Name: Permit File
• Doc Date: 3/1/2007
• Section_Exhibit Name: Tab 20 Attachment 20-1 Part 2
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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Subwatershed Hydro/ogy Detai/;

Stru
#
SWS
#
SWS Area
(ac) Time of
Conc
(hrs)
MuskK
(hrs)
MuskX
Curve
Number
UHS Peak
Discharge

(cis) Runoff
Volume ~

(ac-ft)
#7 1 11.700 0.046 0.126 0.421 39.000 M 0.00 0.000
2 86.300 0.122 0.000 0.000 69.000 M 9.21 0.873
98.000 9.21 0.873
#6 1 15.500 0.084 0.048 0.434 42.000 M 0.00 0.000
Z 38.100 0.085 0.000 0.000 46.000 M 0.00 0.000
53.600 0.00 0.000
#4 1 4.500 0.016 0.065 0.434 34,000 M 0.00 0.000
2 41.300 0.114 0.000 0.000 71.000 M 6.63 0.540
45.800 6.63 0.540
#Z 1 26.800 0.075 0.000 0.000 71.000 M 4.30 0.351
26.800 4.30 0.351
#1 1 44.400 0.122 0.000 0.000 71.000 M 7.13 0.581
44.400 7.13 0.581
#3 1 33.400 0.099 0.059 0.395 33.000 M 0.00 0.000
2 23.700 0.113 0.000 0,000 71.000 M 3.BI 0.310
128.300 15.24 1.242
#6 1 1.700 0.057 0.000 0.000 71.000 M 0.27 0.022
229.400 22.14 1.804
#8 ~ 327.400 31.35 2.677
Subwatershed Time of Concentration Detai/s;

Stru SWS land Flow Condition Slope (%) Vert. Dist. Horiz. Dist. Velocity Time (hrs)
# # (ft) (ft) (fps)
#1 1 3. Short grass pasture 17,14 60.00 350,00 3.310 0.029
6. Grassed waterway 11.90 100.00 840.00 s.170 0.0451
8. Large gullies, diversions, and low 8,72 135.00 1,549.02 8.850 0.048 i
flowing streams
#1 Y lime of Concentration: 0.122
#2 1 3. Short grass pasture 25.25 101.00 400.00 4.010 0.027
6. Grassed waterway 27,33 205.00 750.00 7.840 O.OZ6
7. Paved area and small upland 22,56 150.00 665.00 9.560 0.019
gullies
8. Large gullies, diversions, antl low 13.33 20,00 SSD.00 10.950 0.003
flowing streams
Filename: PM-2series 3 6 01 O6.sc4 Printed 01-31-2006
- - - - 20-1.158