PERMFILE65712

• Permit No: C1981022A
• IBM Index Class Name: Permit File
• Doc Date: 3/1/2005
• Doc Name: Hubbard Creek Fansite Ditches HCD-1, HCD-4, Culvert HCC-1, Sediment Pond F /25yr 24hr
• Section_Exhibit Name: Exhibit 2.05-E3 Section 10oo
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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H'graph Detention Time: 0.51 hrs
Pond Model: CSTRS
Dewater Time: 0.61 days
Trap Efficiency: 47.63
Dewatering time is calculated from peak stage to lowest spi/lway
Elevation-Capacity-Discharge Table

Elevation Area

(ac) Capacity

(ac-R) Discharge

(~s) Dewater
Time
(hrs)
6,327.08 0.046 0.000 0.000 Top of Sed. Storage
6,327.09 0.046 0.000 0.000
6,327.50 0.053 0.021 0.000
6,328.00 0.061 0.049 0.000
6,328.50 0.069 0.081 0.000
6,329.00 0.077 0.118 0.000
6,329.05 0.079 0.122 0.000
6,329.20 0.084 0.134 0.000
6,329.25 0.086 0.138 0.000 Spillway #3
6,329.30 0.087 0.142 0.054 2.30
6,329.34 0.089 0.146 0.131 5.05 Spillway #1
6,329.50 0.095 0.161 0.835 6.10
6,329.85 0.108 0.196 1.507 0.70
6,329.95 0.112 0.207 1.797 0.25 Spillway #2
6,330.00 0.114 0.213 2.010 0.05
6,330.15 0.116 0.231 2.660 0.15 Peak Stage
6,330.50 0.123 0.272 4.180
6,331.00 0.132 0.336 18.904
Detailed Discharge Table

Elevation
Straight Pipe
(~)
Emergency
Spillway (cfs)
Drop Inlet

(cfs) Combined
Total

Discharge
(cfs)
6,327.08 0.000 0.000 0.000 0.000
6,327.09 0.000 0.000 0.000 0.000
6,327.50 0.000 0.000 0.000 0.000
6,328.00 0.000 0.000 0.000 0.000
6,328.50 0.000 0.000 0.000 0.000
6,329.00 0.000 0.000 0.000 0.000
6,329.05 0.000 0.000 0.000 0.000
6,329.20 0.000 0.000 0.000 0.000
Filename: Pond3-25YR.sc4 Printed 02-16-2005