2014-11-04_PERMIT FILE - C2010089A

• Permit No: C2010089A
• IBM Index Class Name: Permit File
• Doc Date: 11/4/2014
• Doc Name: Pond NHN-002 & NHN-002 DItch Designs
• Section_Exhibit Name: Appendix 2.05.3‎(4)‎-8
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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Structure #1 (Culvert)
Pit Pumping
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
1,000.00 2.00 0.0140 1.00 0.00 0.90
Culvert Results:
Structure #2 (Pond)
Pond NHN -002
Pond Inputs:
Design Discharge = 2.01 cfs
Minimum pipe diameter: 1 - 12 inch pipe(s) required
Initial Pool Elev:
w/o Freeboard w/ Freeboard
Design Discharge:
27.93 cfs
Depth:
0.45 ft 1.45 ft
Top Width:
13.82 ft 17.82 ft
Velocity:
4.76 fps
X- Section Area:
5.87 sq ft
Hydraulic Radius:
0.418 ft
Froude Number:
1.29
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater (ft) Loss Coef.
(ft) (Ke)
1,000.00 2.00 0.0140 1.00 0.00 0.90
Culvert Results:
Structure #2 (Pond)
Pond NHN -002
Pond Inputs:
Design Discharge = 2.01 cfs
Minimum pipe diameter: 1 - 12 inch pipe(s) required
Initial Pool Elev:
5,680.75 ft
Initial Pool:
1.32 ac -ft
*Sediment Storage:
4.10 ac -ft
Dead Space:
20.00%
*Sediment capacity based on Average Annual R of 20.0 for 3 year(s)
Emeraencv SDillwa
Spillway Elev Crest Length Left Right Bottom
(ft) Sideslope Sideslope Width (ft)
5,686.00 10.00 2.00:1 2.00:1 10.00
Perforated Riser
10
Filename: Pond NHN -200 1 0YR EVENT PRINCIPAL SPILLWAY OPEN 030CT14.sc4 Printed 10 -06 -2014