PERMFILE49404

• Permit No: C1980005A
• IBM Index Class Name: Permit File
• Doc Date: 7/21/2005
• Doc Name: Design Report Sedimentation Structure 008
• Section_Exhibit Name: Tab 7 Appendix 7-6e
• Media Type: D
• Archive: Yes

SEDCAD 4.0
CnnmL.m ~°°c Gomcm i C~h..nh

• SENECA II POND 008: 8-in. PIPE PRIMARY SPILLWAY
Culvert Inputs:
Max. Tailwater Entrance
Length (ft) Slope (%) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
40.00 1.00 0.0190 ~ 0.55 0.00 0.90
Culvert Results:
Minimum pipe diameter: 1 - 8 inch pipe(s) required
Detai/ed Performance Curves
Design Discharge = 0.47 cfs
Maximum Headwater = 0.55 ft
(BOLD indicates design pipe size)
•
•

Headwater
(R) Discharge
(~s)
(6 in) Discharge
(ds)
(8 in) Discharge
(ds)
(10 in)
0.05 0.13 0.26 0.40
0.11 0.15 0.28 0.44
0.16 0.16 0.31 0.48
0.22 0.17 0.33 0.52
0.28 0.18 0.35 0.56
0.33 0.19 0.37 - 0.59
0.39 0.21 0.39 0.63
0.44 0.27 0.41 0.66
0.50 0.32 0.45 0.69
0.55 0,36 0.50 0.73
0.61 0,41 0.58 0.76
0.66 0.43 0.67 0.80
0.7Z 0.44 0.76 0.91
0.77 0.46 0.83 1.04
0.83 0.48 0.89 1.17
SEDCAD Utility Run Printed 07-08-2005