My WebLink
|
Help
|
About
|
Sign Out
Home
Browse
Search
2023-04-19_PERMIT FILE - C1981010A (14)
DRMS
>
Day Forward
>
Permit File
>
Coal
>
C1981010
>
2023-04-19_PERMIT FILE - C1981010A (14)
Metadata
Thumbnails
Annotations
Entry Properties
Last modified
7/14/2023 8:08:20 AM
Creation date
7/13/2023 10:49:32 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981010A
IBM Index Class Name
Permit File
Doc Date
4/19/2023
Doc Name
pages 4-172 to 4-222z
Section_Exhibit Name
4.8 Hydrologic Impacts
Media Type
D
Archive
Yes
There are no annotations on this page.
Document management portal powered by Laserfiche WebLink 9 © 1998-2015
Laserfiche.
All rights reserved.
/
96
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
LA <br />9 <br />ON <br />Table 4.8-5 Estimated peak flow from spoils with slopes ranging frun 8% to 14% using various 10 -acre configurations; <br />2 -year, 24-hour event. <br />Drainage <br />Drainage <br />slope <br />Equivalent <br />Area <br />Equivalent <br />Actual <br />Ikngth <br />Width <br />Slope <br />Adjustment <br />Area (1) <br />Shape (2) <br />Qirve <br />Peak <br />Peak <br />(ft) <br />(ft) <br />(9') <br />Factor <br />(acres) <br />Factor <br />Nunber <br />Flow (cfs) <br />Flow (cfs) <br />660 <br />660 <br />14 <br />.98 <br />6.82 <br />1.47 <br />87 <br />3.58 <br />5.16 <br />1320 <br />330 <br />14 <br />.98 <br />21.70 <br />0.46 <br />87 <br />8.96 <br />4.04 <br />1980 <br />220 <br />14 <br />.98 <br />42.74 <br />0.23 <br />87 <br />15.68 <br />3.53 <br />2640 <br />165 <br />14 <br />.98 <br />69.09 <br />0.14 <br />87 <br />22.40 <br />3.07 <br />660 <br />660 <br />12 <br />.97 <br />6.82 <br />1.47 <br />87 <br />3.58 <br />5.10 <br />1320 <br />330 <br />12 <br />.97 <br />21.70 <br />0.46 <br />87 <br />8.96 <br />4.00 <br />1980 <br />220 <br />12 <br />.97 <br />42.74 <br />0.23 <br />87 <br />15.68 <br />3.50 <br />2640 <br />165 <br />12 <br />.97 <br />69.09 <br />0.14 <br />87 <br />22.40 <br />3.04 <br />660 <br />660 <br />10 <br />.96 <br />6.82 <br />1.47 <br />87 <br />3.58 <br />5.05 <br />1320 <br />330 <br />10 <br />.% <br />21.70 <br />0.46 <br />87 <br />8.% <br />3.% <br />1980 <br />220 <br />10 <br />.96 <br />42.74 <br />0.23 <br />87 <br />15.68 <br />3.46 <br />2640 <br />165 <br />10 <br />.% <br />69.09 <br />0.14 <br />87 <br />22.40 <br />3.01 <br />660 <br />660 <br />8 <br />.92 <br />6.82 <br />1.47 <br />87 <br />3.58 <br />4.84 <br />1320 <br />330 <br />8 <br />.92 <br />21.70 <br />0.46 <br />87 <br />8.96 <br />3.79 <br />1980 <br />220 <br />8 <br />.92 <br />42.74 <br />0.23 <br />87 <br />15.68 <br />3.32 <br />2640 <br />165 <br />8 <br />.92 <br />69.09 <br />0.14 <br />87 <br />22.40 <br />2.89 <br />(1) A = (1/209) 1'67, ohere 1 = drainmge length. <br />(2) Actual Area/Equivalent Area <br />iWjb 11/86 <br />
The URL can be used to link to this page
Your browser does not support the video tag.