My WebLink
|
Help
|
About
|
Sign Out
Home
Browse
Search
REV88548
DRMS
>
Back File Migration
>
Revision
>
REV88548
Metadata
Thumbnails
Annotations
Entry Properties
Last modified
8/25/2016 3:10:40 AM
Creation date
11/21/2007 10:43:12 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981038
IBM Index Class Name
Revision
Doc Date
11/2/1998
Doc Name
Letter & Application
From
J.E. Stover & Associates
To
DMG
Type & Sequence
TR29
Media Type
D
Archive
No
There are no annotations on this page.
Document management portal powered by Laserfiche WebLink 9 © 1998-2015
Laserfiche.
All rights reserved.
/
31
PDF
Print
Pages to print
Enter page numbers and/or page ranges separated by commas. For example, 1,3,5-12.
After downloading, print the document using a PDF reader (e.g. Adobe Reader).
View images
View plain text
C~ <br />Manning's Equation <br />Waste Pond Emergency Spillway <br />Flow In a Trapezoidal Channel <br /> <br />DEPTH D 0.68 FEET <br />WIDTH W 9.00 FEET <br />Slope S 0.02 EXPRESS AS DECIMAL <br />Mannings "N" N 0.03 EXPRESS AS DECIMAL <br />SIDE SLOPE X 2.00 SLOPE = X:1 <br />AREA=(W*D)+(X*DZ)= <br />WETTED PERIMETER=(V1~+2*[((X*D)Z+Dx)in] <br />R=AREANVETTED PERIMETER <br />Q=Axv= <br />Q REQLTIItED -Peak Discharge <br />Sediment Pond B <br />Riprap Sizing -Across top of Embankment <br />7.04 FeetZ <br />12.04 Feet <br />0.59 <br />4.91 FUSec <br />34.61 CFS <br />34.64 CFS <br />D50 =Size of Riprap <br />Dso = ((v x s^.l~i~.s8))^2 <br />D50 =Diameter in feet <br />V =Velocity <br />S =Slope <br />• <br />D50 = 0.11 feet 1.33 inches <br />Peak flow depth is 0.68 feet. Spillway is designed with an <br />emergency spillway 2 feet deep. This leaves enough depth <br />for the required I foot of freeboazd. <br />None Required <br />20 <br />
The URL can be used to link to this page
Your browser does not support the video tag.