My WebLink
|
Help
|
About
|
Sign Out
Home
Browse
Search
FLOOD06025
CWCB
>
Floodplain Documents
>
Backfile
>
5001-6000
>
FLOOD06025
Metadata
Thumbnails
Annotations
Entry Properties
Last modified
1/25/2010 7:07:38 PM
Creation date
10/5/2006 1:56:53 AM
Metadata
Fields
Template:
Floodplain Documents
County
Boulder
Community
Louisville
Stream Name
Coal Creek, Rock Creek
Basin
South Platte
Title
Major Drainageway Planning
Date
11/1/1982
Prepared For
Boulder County
Prepared By
WRC Engineering, Inc.
Contract/PO #
&&
Floodplain - Doc Type
Floodplain Report/Masterplan
There are no annotations on this page.
Document management portal powered by Laserfiche WebLink 9 © 1998-2015
Laserfiche.
All rights reserved.
/
62
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).
Show annotations
View images
View plain text
<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br /> TABLE-3 <br /> OUTFALL SYSTEH FACILITY SUMMARY <br /> GRASSED ROCK <br /> DITCH LINED LINED STORH CHECK <br />DRAINAGEWAY CROSSINGS CHANNEL CHANNEL SEWER CULVERTS DROPS <br /> (EACH) (LF) (LF) (LF) (EACH) (EACH) <br />A 5,950 350 2,370 4 32 <br />A-I 40 2,280 <br />A-2 1,870 90 4,430 2 <br />B 2,370 40 1,220 4 <br />C 820 40 600 <br />C-I 1,200 50 2,470 <br />D 9,810 220 2 39 <br />D-I 400 40 4,060 <br />E 1,340 60 3,140 2 <br />F 6,240 200 380 2 9 <br />G 5,820 270 12,140 2 16 <br />G-I 3,800 <br />H 4,170 220 8,010 2 3 <br />H-I 2,130 100 2 <br />I 1,240 60 8,220 <br />J 750 50 2,590 <br />TOTALS 3 44,110 1830 55,710 20 107 <br /> (8.35 Hi.) (0.35 Hi.) ( 10.55 Hi.) <br /> <br />TABLE-2 <br />INCREHENTAL DESIGN RAINFALL <br /> <br />CITY OF LOUISVILLE, COLORADO <br />FOR USE WITH THE COLORADO URBAN HYDROGRAPH PROCEDURE <br /> <br />TIHE INCREHENTAL RAINFALL DEPTH/RETURN PERIOD <br />(HINUTES) 2 YR. 10 YR. JOO YR. <br />5 .0 I .02 .03 <br />10 .03 .05 ,05 <br />15 ,07 .12 .11 <br />20 .14 ,24 .22 <br />25 .24 .43 .41 <br />30 ,14 .19 .68 <br />35 .07 .12 .38 <br />40 .04 ,07 .22 <br />45 .04 ,07 .14 <br />50 .03 .05 .14 <br />55 .03 .05 .11 <br />60 .03 ,05 .11 <br />65 .02 .03 .11 <br />70 .02 .03 ,05 <br />75 .02 ,03 .05 <br />80 .02 .03 .05 <br />85 .02 .03 .05 <br />90 .01 .03 .05 <br />95 .01 .02 .03 <br />100 .0 I .02 .03 <br />105 .0 I .02 .03 <br />110 ,01 .02 .03 <br />115 .01 .02 .03 <br />120 .0 I .02 ,03 <br />TOTAL (2 HR) 1.04 I. 76 3.14 <br />Reference: Urban Drainage and Flood Control District <br /> Preliminary Design Storm Procedure, Hydro- <br /> logy Research Program, August 1979, <br /> <br />-34- <br /> <br />-35- <br />
The URL can be used to link to this page
Your browser does not support the video tag.