2011-06-29_PERMIT FILE - C1981019A ‎(19)‎

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

SEDCAD 4 for Windows
Structure #1 (Riprap Channel)
Upper portion of West Taylor, East Trib
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom Left Right
w/o Freeboard w/ Freeboard
Design Discharge:
29.49 cfs
Depth:
0.35 ft 1.35 ft
Top Width:
14.07 ft 20.07 ft
Velocity:
6.54 fps
X- Section Area:
4.51 sq ft
Hydraulic Radius:
0.318 ft
Froude Number:
2.04
Manning's n:
0.0530
Dmin:
3.00 in
D50:
6.00 in
Dmax:
9.00 in
Structure #1 (Riprap Channel)
Upper portion of West Taylor, East Trib
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom Left Right
Freeboard Freeboard Freeboard
Width (ft) Sideslope Sideslope Slope ( %)
Ratio Ratio
De p () % of Depth Mult. x (VxD)
Depth ft
12.00 3.0:1 3.0:1 15.0
1.00
Riprap Channel Results:
Structure #2 (Pond
Sump
Pond Inputs:
PADER Method - Steep Slope Design
Initial Pool Elev: 100.00 ft
15
Filename: WestT Pondl024.sc4 Printed 05 -31 -2010
Exh. 7- 20C -97 Revision Date: 5/31/10
Revision No.: TR -81
w/o Freeboard w/ Freeboard
Design Discharge:
23.30 cfs
Depth:
0.34 ft 1.34 ft
Top Width:
14.03 ft 20.03 ft
Velocity:
5.30 fps
X- Section Area:
4.40 sq ft
Hydraulic Radius:
0.311 ft
Froude Number:
1.67
Manning's n:
0.0500
Dmin:
2.00 in
D50:
3.00 in
Dmax:
4.50 in
Initial Pool Elev: 100.00 ft
15
Filename: WestT Pondl024.sc4 Printed 05 -31 -2010
Exh. 7- 20C -97 Revision Date: 5/31/10
Revision No.: TR -81