PERMFILE110281

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 5/4/2007
• 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
r`nn~nnM 100q .~Mq Omm~la I CMUnF
21
w/o Freeboard w/ Freeboard
Top Width: 12.64 R 18.64 R
Velocity*:
X-Section Area: 1.32 W ft
Hydraulic Radius: 0.104 ft
Froude Number*:
Manning's n*:
Dmin: 5.00 in
D60: 15.00 in
Dmax: 18.75 in
Velocity and Manning's n calculatons may not apply for this method.
Structure #24 (Nulq
SEC. 28 NULL 5
Structure #2S (RioraD Channel)
SEC. 28 DITCH 15
Trapezoidal Riprap Channel Inputs:

Material: Riprao
LeR
Bottom Right Freeboard Freeboard Freeboard
8ideslope
Width (R) Sideslope Slope (No)
Dep[h (ft) % of Depth Mult. x
Ratio Ratio (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: 107.19 ds
Depth: 0.50 R 1.50 ft
Top Width: 14.98 R 20.98 R
Velocity*:
X-Section Area: 6.71 sq R
Hydraulic Radius: 0.443 ft
Froude Number*:
Manning's n*:
Dmin: 5.00 in
D60: 15.00 in
Dmax: 18.75 in
Velocity and Manning's n calculations may not apply for this method.
•
Structure #26 (Null)
Filename: STSec26Hundred24.010807.sc4
Exh. 7-20A-65
Printed O1-OB-2007
Revision Date: 1/05/07
Revison No.: PR-02