My WebLink
|
Help
|
About
|
Sign Out
Home
Browse
Search
PERMFILE45165
DRMS
>
Back File Migration
>
Permit File
>
500000
>
PERMFILE45165
Metadata
Thumbnails
Annotations
Entry Properties
Last modified
8/24/2016 10:47:33 PM
Creation date
11/20/2007 12:14:03 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980003
IBM Index Class Name
Permit File
Doc Date
12/11/2001
Doc Name
SEDIMENT CONTROL PLAN
Section_Exhibit Name
APPENDIX E (image 20 crooked)
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.
/
61
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
Use ditch section described: <br />• Runoff = 1.25" (CN91, 2.1" rainfall; <br />Reference #2) <br />Peak Flow (16% slope) = 195 cfs/inch runoff <br />(pg. D-5, ref. #2) <br />Adjust to 11% slope <br />195 x 0.89 = 174 cfs/in runoff (Table E-1,Ref.#2) <br />Peak Flow - <br />174 cfs/in x 1.25 = 217 cfs <br />The discharge curve on Exhibit U shows combined discharge from the primary <br />and emergency spillways. At elevation 7386, this is approximately 220 cfs. <br />• 10' bottom <br />2:1 side slope <br />n = 0.035 <br />Then <br />d = 0.8 ft. <br />q = 81 cfs <br />v = 9.4 fps <br />Riprap will be required to control erosion. <br />Ditch will be 3 feet deep. <br />2) Perimeter Ditch Around Pond <br />Drainage Area <br />• North Side - 93.4 Acres <br />South Side - 160 Acres <br />
The URL can be used to link to this page
Your browser does not support the video tag.