HYDRO26345

• Permit No: M1984041
• IBM Index Class Name: Hydrology
• Doc Date: 1/23/2001
• Doc Name: CENTEX EAGLE GYPSUM CO LLC 1645A 10 YEAR 24 HOUR
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
Copyright t99a Pamela J Schwab
Civil Sotlware Design 12
Strzicture #Z (Erodible Channel
Area C
Triangular Erodible Channel Inputs:
Material: Stiff clay very colloidal
Left Right Freeboard Freeboard Freeboard Limiting
sideslope sideslope slope (°h) Manning's n Mult. x Velocity
Ratio Ratio Depth (ft) % of Depth (VxD) (fps)
1.0:1 2.0:1 7.5 0.0250 3.8
Erodible Channel Results:
w/o Freeboard w/ Freeboard
Design Discharge:
Depth: 1.54 c(s
0.44 ft
Top Width: 1.33 ft
Velocity:
X-Section Area: 5.26 (ps
0.29 sq ft
Hydraulic Radius:
Froude Number: 0.184
1.97
Structure # 10 (Check DamJ
Check Dam Inputs:
Height (ft) Porosity (%) Slope (%) Manning's n Sideslopes
(Z:1)
2.0 30.00 7.46 0.0250 2.0
Check Dam Results:
Trap Efficiency: 11.82
Structure #8 Ri ra~Channel/I
Groin
Triangular Riprap Channel Inputs:
Material: Riprap
Filename: 1646A Pt-10.24.sc4 Printed 01-19-2001