2011-06-20_REVISION - C1981019 ‎(4)‎

• Permit No: C1981019
• IBM Index Class Name: Revision
• Doc Date: 6/20/2011
• Doc Name: Revised 3/28/2011 Exhibit 7 Item 23
• Type & Sequence: PR3
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
Irma On1n o,--In I C,—,—
22
Structure #22 (Riprap Channel)
RD4
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom Left Right
w/o Freeboard w/ Freeboard
X- Section Area:
2.62 sq ft
Hydraulic Radius:
0.512 ft
Froude Number:
1.94
Manning's n:
0.0480
Dmin:
3.00 in
D50:
6.00 in
Dmax:
9.00 in
Structure #22 (Riprap Channel)
RD4
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom Left Right
Freeboard Freeboard freeboard
Sideslope Sideslope Slope ( %)
Width (ft) Ratio Ratio
Depth (ft) % of Depth Mult. x (VxD)
5.00 2.0:1 2.0:1 5.4
0.30
Riprap Channel Results:
PADER Method - Steep Slope Design
Structure #21 (Erodible Channel)
D10
Trapezoidal Erodible Channel Inputs:
Material: Cobbles and shingles
•
Filename: Collom 1024 w east Divert 3 27.sc4 Printed 03 -27 -2011
EXh. 7- 23A -26 Revision Date: 03/25/11
Revision No.: PR -03
w/o Freeboard w/ Freeboard
Design Discharge:
232.46 cfs
Depth:
2.43 ft 2.73 ft
Top Width:
14.72 ft 15.92 ft
Velocity:
9.70 fps
X- Section Area:
23.97 sq ft
Hydraulic Radius:
1.510 ft
Froude Number:
1.34
Manning's n:
0.0470
Dmin:
5.00 in
D50:
9.00 in
Dmax:
12.00 in
Structure #21 (Erodible Channel)
D10
Trapezoidal Erodible Channel Inputs:
Material: Cobbles and shingles
•
Filename: Collom 1024 w east Divert 3 27.sc4 Printed 03 -27 -2011
EXh. 7- 23A -26 Revision Date: 03/25/11
Revision No.: PR -03