2011-06-29_PERMIT FILE - C1981019A ‎(20)‎

• Permit No: C1981019A
• IBM Index Class Name: Permit File
• Doc Date: 6/29/2011
• 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,.~,,.m~.r rota-orvn c~~..em i c,.~,~..,n
12
Detailed Discharge Table

Elevation
(ft)
Emergency
Spillway (cfs) Combined
Total
Discharge
(cfs)
8,219.00 0.000 0.000
8,219.50 0.000 0.000
8,219.60 0.000 0.000
8,220.00 0.000 0.000
8,220.50 0.000 0.000
8,221.00 0.000 0.000
8,221.50 0.000 0.000
8,zzz.oo o.ooo o.ooo
8,222.50 0.000 0.000
8,223.00 0.000 0.000
8,223.50 0.000 0.000
8,224.00 0.000 0.000
8,224.50 0.000 0.000
8,225.00 1.830 1.830
Structure #16 /Riprap Channel)
SEC. 28 DITCH 9
Trapezoidal Riprap Channel Inputs:
Material: Riprap
Bottom left Right Freeboard Freeboard Freeboard

Width (ft) Sideslope Sideslope Slope (°/a)
Depth (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: 87.64 ds
Depth: 0.43 ft 1.43 ft
Top Witlth: 14.57 ft 20.57 ft
Velocity*:
X-Section Area: 5.69 sq ft
Hydraulic Radius: 0.387 R
Froude Number*:
Manning's n*:
Dmin: 5.00 in
050: 15.00 in
Dmax: 18.75 in
Filename: STSec28PMP.010807.sc4 Printed D1-OB-2007
Exh. 7-20A-88 Revision Date: 1/05/07
Revison No.: PR-02

• i