2016-09-19_PERMIT FILE - C1996084 ‎(3)‎

• Permit No: C1996084
• IBM Index Class Name: Permit File
• Doc Date: 9/19/2016
• Section_Exhibit Name: Exhibit 15-9b Fill 7 Sediment Control Pond 007a
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
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25
Riser
Riser Height
Barrel
Barrel Barrel Slope
Number of
Spillway Elev
Diameter
(ft)
Diameter o
Length (ft) (/o)
Manning s n Holes per
(ft)
(in)
(in)
Elev
12.00 13.00
12.00 80.00 6.00
0.0240 6,917.00 4
Pond Results:
Emergency Spillway
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
6,918.00 14.00 2.50:1 1.00:1 10.00
Peak Elevation:
6,916.68 ft
H'graph Detention Time:
6.45 hrs
Pond Model:
CSTRS
Dewater Time:
4.62 days
Trap Efficiency:
87.78
Dewatering time is calculated from peak stage to lowest spillway
Elevation -Capacity -Discharge Table
Elevation
Area
(ac)
Capacity
(ac -ft)
Discharge
(cfs)
Dewater
Time
(hrs)
6,911.10
0.606
0.000
0.000
Top of Sed. Storage
6,911.50
0.612
0.244
0.000
Low hole SPW #1
6,911.60
0.614
0.305
0.033
22.33*
6,912.00
0.620
0.552
0.074
40.18*
6,912.10
0.622
0.614
0.115
6.56*
6,912.50
0.629
0.864
0.179
16.88*
6,912.60
0.631
0.927
0.399
2.80
6,913.00
0.637
1.180
0.698
5.75
6,913.10
0.639
1.244
0.959
0.90
6,913.50
0.646
1.501
1.398
2.70
6,913.60
0.648
1.566
1.690
0.50
6,914.00
0.654
1.826
2.240
1.65
6,914.10
0.656
1.892
2.557
0.50
6,914.50
0.663
2.155
3.201
1.95
6,914.60
0.665
2.222
3.333
0.40
6,915.00
0.671
2.489
3.806
1.35
6,915.10
0.673
2.556
3.913
0.35
6,915.50
0.680
2.827
4.314
1.30
6,915.60
0.682
2.895
4.409
0.30
Filename: Pond007_reclaimed_cp006.sc4 Printed 01-27-2013