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

•
Material: Riorao
Bottom LeR Righ[ Freeboard Freeboard Freeboard
Width ft Sideslope Sideslope Slope (%)
( ) Mult. x
Ratio Ratio Depth (ft) % of Dep[h
(VxD)
12.00 2.0:1 2.0:1 33.0 1.00
Riprap Channel Results:
Simons/OSM Method -Steep Slope Design
w/o Freeboard w/ Freeboard
Design Discharge: 10.99 ds
Depth: 0.02 ft 1.02 ft
Top Width: 12.07 ft 16.07 R
velocity*:
X-Section Area: 0.20 sq R
Hydraulic Radius: 0.017 R
Froude Number*:
Manning's n*:
Dmin: 3.00 in
DBO: 9.00 in
Dmax: 11.25 in
•
SEDCAD 4 for Windows
c,....m,.e. mea -orv» o~...vi~ i ae,...e
Velairy and Manning's n calculations may no[ apply for this method.
Structure #27 (Null)
SEC. 21 NULL i5
Structure #28 (Riprap Channel)
SEC. 21 DITCH 18
Trapezoidal Riprap Channel Inputs:
Material: RiDrao
Bottom LeR Right Freeboard Freeboard Freeboard
Width R Sideslope Sideslope Slope (%)
i
O Mult. x
Depth (R) % of Dep[h
Ra[io Rat
o (VxD)
12.00 Z.0:1 2.0:1 22.9 1.00
Riprap Channel Results:
Simons/OSM Method -Steep Slope Design
•
w/o Freeboard w/ Freeboard
Design Discharge: 12.57 cfs
Depth: 0.08 ft 1.08 ft
Top Width: 12.31 R 16.31 ft
velocity*:
~~
Filename: STSec2lHundred24.010807.srA
Exh. 7-20B-65
Printed 01-08-2007
Revision Date: 1/05/07
Revison No.: PR-02