2011-06-29_PERMIT FILE - C1981019A ‎(16)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 6/29/2011
• Doc Name: Section 21 Sedimentation Pond
• Section_Exhibit Name: Exhibit 07 Item 20 Part B -ST
• Media Type: D
• Archive: Yes

SEDCAD 4 for Windows
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16
Material: Riorao
Lek
Bottom Right Freeboard Freeboard Freeboard
Sideslo a
P
Width (R) Sideslo a
P Sloe
P ( )
Mull. x
Dep[h (R) %of Depth
Ratio Ratio (VZD)
12.00 2.0:1 2.0:1 17.5 1.00
Riprap Channel Results:
Simons/OSM Method -Steep Slope Design
w/o Freeboard w/ Freeboard
Design Discharge: 28.06 cfs
Dep[h: 0.19 ft 1.19 R
Top Width: 12.75 R 16.75 R
Velocity*:
X-Section Area: 2.32 sq ft
Hydraulic Radius: 0.181 ft
Froude Number*:
Manning's n*:
Dmin: 3.00 in
D60: 9.00 in
Dmax: 11.25 in
Velocity and Manning's n calculations may not apply for this method.
Structure #IS (Null)
SEC. 21 NULL 2
Structure #16 (Riprap Channel)
SEC. 21 DITCH 10
Trapezoidal Riprap Channel Inputs:
Material: Riorao
Bottom Left Right Freeboard Freeboard Freeboard
Width (R
) Sideslope Sideslope Slope (%) Mult. x
Ratio Ratio Depth (k) % of Depth (VxD)
12.00 2.0:1 2.0:1 10.3 1.00
Riprap Channel Results:
Simons/OSM Method -Steep Slope Design
w/o Freeboard w/ Freeboard
Design Discharge: 54.63 cfs
Depth: 0.40 R 1.40 ft
Top Width: 13.61 R 17.61 ft
Velocity*:
Filename: STSec2l Hundretl24.010807.sc4 Printed 01-08-2007
Exh. 7-20B-70 Revision Date: ]/05/07
Revison No.: PR-02

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