2011-06-29_PERMIT FILE - C1981019A ‎(20)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 6/29/2011
• Doc Name: Section 28 Sedimentation Pond
• Section_Exhibit Name: Exhibit 07 Item 20 Part A -ST
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
18
Velocity and Manning's n calculations may not apply for this method.
Structure #9 (Null1
SEC. 28 NULL Z
Structure #10 (Riorao Channel)
SEC. 28 DITCH 6
Trapezoidal Riprap Channel Inputs:
Material: Rprao
Left
ibttom Right Freeboard Freeboard Freeboard
8ideslope
Width (ft) Sideslope Slope (%)
f D
° Mult. x
Ra[io Ratio Depth (R)
/a o
epth (VxD)
12.00 3.0:1 3.0:1 20.0 1.00
Riprap Channel Results:
Simons/OSM Method -Steep Slope Design
w/o Freeboard w/ Freeboard
Design Discharge: 119.66 ds
Depth: 0.54 ft 1.54 ft
Top Width: 15.23 ft 21.23 R
velocity*:
X•Sec[ion Area: 7.33 sq ft
Hydraulic Radius: 0.476 ft
Froude Number*:
Manning's n*:
Dmin: 5.00 in
D50: 15.00 in
Dmax: 18.75 in
Velocity and Manning's n okulations may not apply for this method.
Structure #11 (Pond)
SEC. 28 STOCKPOND 1
Pond Inputs:
IniOal Pool Elev: 8,024.70 ft
Initial Pool: 0.43 ac-ft
Broad-crested Weir
Weir Width Spillway Elev
(R) (ft)
24.00 8,024.70
Filename: STSec28PMP.010807.sc4 Printed 01-08-2007
Exh. 7-20A-94 Revision Date: 1/05/07
Revison No.: PR-02

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