2010-11-19_PERMIT FILE - C1980007 ‎(33)‎

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 11/19/2010
• Doc Name: 100 yr - 24 hr
• Section_Exhibit Name: Exhibit 66 RPE Pond
• Media Type: D
• Archive: No

SEDCAD 4 for Windows
r --inhr 1QQn -9nn7 P-1. I Rrh,u.h
45
•
Elevation
(ft)
Straight Pipe
(cfs)
Combined
Total.
Discharge
(cfs)
6.00
(5) >43.678
43.678
6.50
(5) >46.973
46.973
7.00
(5) >50.045
50.045
7.50
(5) >52.943
52.943
8.00
(5) >55.685
55.685
8.50
(5) >58.306
58.306
9.00
(5)>60.810
60.810
9.50
(5) >63.211
63.211
10.00
(5) >65.527
65.527
Structure #40 (Riprap Channel
DRPE -W12
Trapezoidal Riprap Channel Inputs:
Material: Riprap
•
Left Right
Bottom
Freeboard Freeboard Freeboard
Sideslope Sideslope Slope ( %)
Width (ft)
Mult. x
Ratio Ratio
Depth (ft) % of Depth
(VXD)
3.00 1.5:1 1.5:1 41.7
0.50
Riprap Channel Results:
PADER Method - Steep Slope Design
Structure #9 (Riprap Chann
• Ditch to Pond
Filename: RPE Pile.sc4 Printed 10 -07 -2010
w/o Freeboard w/ Freeboard
Design Discharge:
37.20 cfs
Depth:
0.84 ft 1.34 ft
Top Width:
5.51 ft 7.01 ft
Velocity:
10.44 fps
X- Section Area:
3.56 sq ft
Hydraulic Radius:
0.592 ft
Froude Number:
2.29
Manning's n:
0.0650
Dmin:
5.00 in
D50:
9.00 in
Dmax:
12.00 in
Structure #9 (Riprap Chann
• Ditch to Pond
Filename: RPE Pile.sc4 Printed 10 -07 -2010