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

0
SEDCAD 4 for Windows
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Riprap Channel Results:
Simons /OSM Method - Mild Slope Design
Structure #26
Ovind Sec 29 ditch to Trib A
Structure #25 LR /prap Channel)
Trib A upper in TS seeded
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
w/o Freeboard w/ Freeboard
Design Discharge:
18.68 cfs
Depth:
1.75 ft 2.75 ft
Top Width:
18.99 ft 22.99 ft
Velocity:
0.69 fps
X- Section Area:
27.10 sq ft
Hydraulic Radius:
1.367 ft
Froude Number:
0.10
Manning's n:
0.0377
Dmin:
2.00 in
D50:
9.00 in
Dmax:
12.00 in
Structure #26
Ovind Sec 29 ditch to Trib A
Structure #25 LR /prap Channel)
Trib A upper in TS seeded
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Left Right
Bottom
Freeboard Freeboard Freeboard
( )
Width (ft) Sideslo a Sideslo a Slope
Depth (ft) % of Depth
Ratio Ratio
(VxD)
12.00 2.0:1 2.0:1 16.0
1.00
Riprap Channel Results:
Filename: See 28 1024.sc4
Simons /OSM Method - Steep Slope Design
14
Printed 12 -08 -2010
Exh. 7- 20A -18 Revision Date: 12/31/10
Revision No.: TR -81
w/o Freeboard w/ Freeboard
Design Discharge:
5.69 cfs
Depth:
0.06 ft 1.06 ft
Top Width:
12.23 ft 16.23 ft
Velocity*:
X- Section Area:
0.68 sq ft
Hydraulic Radius:
0.056 ft
Froude Number *:
Manning's n *:
14
Printed 12 -08 -2010
Exh. 7- 20A -18 Revision Date: 12/31/10
Revision No.: TR -81