2010-12-17_REVISION - C1981019 ‎(128)‎

• Permit No: C1981019
• IBM Index Class Name: REVISION
• Doc Date: 12/17/2010
• Doc Name: Exhibit 7 Item 23 Erosion and Sedimentation Part 2
• Type & Sequence: PR3
• Email Name: JRS
• Media Type: D
• Archive: No

•
Design Discharge = 235.61 ds
Minimum pipe diameter: 1 - 0 inch pipe(s) required
Structure #16 f SP — rap Channel)
NC4
Trapezoidal Riprap Channel Inputs:
Material: Riprap
w/o Freeboard w/ Freeboard
Depth:
3.32 ft 3.62 ft
Top Width:
13.29 ft 14.49 ft
Velocity:
5.26 fps
X- Section Area:
22.09 sq ft
Hydraulic Radius:
1.486 ft
Froude Number:
0.72
Design Discharge = 235.61 ds
Minimum pipe diameter: 1 - 0 inch pipe(s) required
Structure #16 f SP — rap Channel)
NC4
Trapezoidal Riprap Channel Inputs:
Material: Riprap
SEDCAD 4 for Windows
r dn{,k JQQR -9IN17 Pamela 1 Rrhl —h
Structure #17 (Culvert
CI
Culvert Inputs:
Max. Tallwater Entrance
Length (ft) Slope ( %) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
50.00 5.00 0.0240 5.00 0.00 0.90
Culvert Results:
Riprap Channel Results:
36
PADER Method - Steep Slope Design
•
Filename: 100 -year Collom_Ponds (With Rlser).se4
Freeboard
Left Right
Freeboard Freeboard
Bottom Sideslope Sldeslope Slope ( %)
Width (ft)
u Mult. x
/o of De
Depth (ft) Depth
Ratio Ratio
(VxD)
5.00 2.0:1 2.0:1 7.7
0.30
SEDCAD 4 for Windows
r dn{,k JQQR -9IN17 Pamela 1 Rrhl —h
Structure #17 (Culvert
CI
Culvert Inputs:
Max. Tallwater Entrance
Length (ft) Slope ( %) Manning's n Headwater Loss Coef.
(ft) (ft) (Ke)
50.00 5.00 0.0240 5.00 0.00 0.90
Culvert Results:
Riprap Channel Results:
36
PADER Method - Steep Slope Design
•
Filename: 100 -year Collom_Ponds (With Rlser).se4
Printed 01 -22 -2009
Exh. 7 -23A -154 Revision Date: 12/15/10
Revision No.: PR -03
w/o Freeboard w/ Freeboard
Design Discharge:
245.76 cis
Depth:
2.31 It 2.61 ft
Top Width:
14.25 it 15.45 ft
Velocity:
11.04 fps
X- Section Area:
22.26 sq It
Hydraulic Radius:
1.451 it
Froude Number:
1.56
Manning's n:
0.0480
Printed 01 -22 -2009
Exh. 7 -23A -154 Revision Date: 12/15/10
Revision No.: PR -03