2008-12-11_PERMIT FILE - C1980007A ‎(27)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2008
• Doc Name: 25 Year, 24 Hour Surface Water Control Plan
• Section_Exhibit Name: Exhibit 66 NSSA Pond
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
11
0 . Subwatershed Hydrology Detai/;
Stru

# SWS

# SWS Area

(ac) Time of
Conc

(hrs) Musk K

(hrs)
Musk X Curve

Number
UHS Peak
Discharge

(cfs) Runoff
Volume

(ac-ft)
#5 1 1.720 0.006 0.000 0.000 76.000 M 1.15 0.083
1.720 1.15 0.083
#4 1 0.630 0.002 0.000 0.000 78.000 M 0.48 0.035
0.630 0.48 0.035
#3 1 2.030 0.002 0.000 0.000 78.000 M 1.54 0.112
2.030 1.54 0.112
#2 1 1.320 0.003 0.000 0.000 77.000 M 0.94 0.068
5.700 4.11 0.297
#1 5.700 4.11 0.297
Subwatershed Sedimento%gy Detail:
?J

Stru
#
SWS
#
Soil K
L (ft)
5(%)
C
P
PS #
Sediment

(tons) Peak
Sediment
Conc.

(mg/1) Peak
Settleable
Conc

(ml/1)
24VW

(ml/0
#5 1 0.310 69.00 36.00 0.0500 1.0000 1 2.0 38,163 14.64 6.82
71 2.0 38,163 14.64 6.82
#4 1 0.310 72.00 35.00 0.0500 1.0000 1 0.8 33,168 12.73 6.13
E 0.8 33,168 12.73 6.13
#3 1 0.310 89.00 39.00 0.0500 1.0000 1 3.5 47,814 18.35 8.83
E 3.5 47,814 18.35 8.83
#2 1 0.270 61.00 66.00 0.0500 1.0000 1 2.2 49,838 19.12 9.08
1 8.5 44,676 17.14 8.01
#1 8.5 44,676 17.14 8.02
Subwatershed Time of Concentration Details:

Stru SWS Land Flow Condition Vert. Dist.
Slope (%) Horiz. Dist. Velocity Time (hrs)
# # (ft) (ft) (fps)
#2 1 8. Large gullies, diversions, and low 28,50 55.00 193.00 16.010 0.003
flowing streams
#2 1 Time of Concentration: 0.003
#3 1 8. Large gullies, diversions, and low 11.90 10.00 84.00 10.350 0.002
flowing streams
Filename: NSSA.sc4 Printed 10-21-2008