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
Structure Detai/;
Structure #2i (tegetated Channel)
SEC. 28 DITCH 13
Trapezoidal Vegetated Channel Inputs:
Material: Smooth brome
Left Right
Bottom Retardance freeboard Freeboard Freeboard Limiting
Sideslope Sideslope Slope (°k)
Width (R) Rato Ratio Classes Mult. x
Depth (ft) % of Depth Velocity
(fps)
(VxD)
15.00 3.0:1 3.0:1 25.0 D, B 1.00 3.0
Vegetated Channel Results:
•
Stability
Gass D w/o
Freeboard Stability
Gass D w/
Freeboard Capacity
Class B w/o
FreeboaM Capacity
Class B w/
Freeboard
Design Discharge: 44.92 ds 44.92 ds
Depth: 0.35 ft 1.35 R 0.55 ft 1.55 ft
Top Width: 17.08 ft 23.08 R 18.29 R 24.29 R
Velocity: 8.07 fps 4.92 fps
x-Section Area: 5.57 sq R 9.14 sq ft
Hydraulic Radius: 0.329 ft 0.495 R
Froude Numher: 2.49 1.23
Roughness Coefficient: 0.0435 0.0947
Structure #18 (Riprad Channel)
SEC. 28 DITCH 11
Trapezoidal Riprap Channel Inputs:
Material: Riorao
left
Bottom Right Freeboard Freeboard Freeboard
Sideslope
Width (R) Sideslope Slope (%)
Depth (ft) % of Depth Mult. x
Ratio Ratio (VxD)
12.00 3.0:1 3.0:1 25.0 1.00
Riprap Channel Results:
Simons/OSM Method -Steep Slope Design
w/o Freeboard w/ Freeboard
Design Discharge: 37.86 as
Depth: 0,18 R 1.18 R
•
Filename: STSec28PMP.010B07.sc4
Exh. 7-20A-83
Pnntetl O7-OH-2007
Revision Date: 1/05/07
Revison No.: PR-02