2015-03-09_PERMIT FILE - C2010089A

• Permit No: C2010089A
• IBM Index Class Name: Permit File
• Doc Date: 3/9/2015
• 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
Structure #1 (Cu /vertu
Pit Pumping
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
1,000.00 2.00 0.0140 1.00 0.00 0.9c
Culvert Results:
Structure #2 (Pond
Pond NHN -002
Pond Inputs:
Design Discharge = 2.01 cfs
Minimum pipe diameter: I - 12 inch pipe(s) required
Initial Pool Elev:
w/o Freeboard w/ Freeboard
Design Discharge:
27.37 cfs
Depth:
Top Width:
0.45 ft 1.45 ft
13.80 ft 17.80 ft
Velocity:
4.73 fps
X- Section Area:
5.79 scl ft
Hydraulic Radius:
0.413 ft
Froude Number:
1.29
Structure #1 (Cu /vertu
Pit Pumping
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope ( %) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
1,000.00 2.00 0.0140 1.00 0.00 0.9c
Culvert Results:
Structure #2 (Pond
Pond NHN -002
Pond Inputs:
Design Discharge = 2.01 cfs
Minimum pipe diameter: I - 12 inch pipe(s) required
Initial Pool Elev:
5,680.75 ft
Initial Pool:
1.27 ac -ft
*Sediment Storage:
4.15 ac -ft
Dead Space:
20.00%
*Sediment capacity based on A verage Annual R of 20.0 for 3 year(s)
Emeraencv Sr)illwa
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 -002 10YR EVENT PRINCIPAL SPILLWAY OPEN 23JAN15.sc4 Printed 01 -23 -2015