My WebLink
|
Help
|
About
|
Sign Out
Home
Browse
Search
2011-11-28_PERMIT FILE - C1992081A (7)
DRMS
>
Day Forward
>
Permit File
>
Coal
>
C1992081A
>
2011-11-28_PERMIT FILE - C1992081A (7)
Metadata
Thumbnails
Annotations
Entry Properties
Last modified
8/24/2016 4:45:24 PM
Creation date
1/23/2012 10:27:03 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1992081A
IBM Index Class Name
Permit File
Doc Date
11/28/2011
Doc Name
Existing Facilities Area Conditions
Section_Exhibit Name
Tab 12 Attachment 12-1
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.
/
111
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
Civil Software Design -- SEDCAD+ Version 3.0 <br />Copyright (C) 1987 -1990. Pamela J. Schwab. All rights reserved. <br />Company Name: Peabody Coal Company <br />Filename: C: \SEDCAD3 \2W \TAHRD4 User: R.J.GEHRKE <br />Date: 04 -06 -1990 Time: 15:16:18 <br />SENECA II -W TAHRD -4 (AS- BUILT) <br />Storm: 1.60 inches, 10 year -24 hour, SCS Type II <br />Hydrograph Convolution Interval: 0.1 hr <br />----------------------------------------- <br />NON -POND STRUCTURE INPUT /OUTPUT TABLE <br />J1, B1, S1 <br />TAHRD -4 (AS- BUILT) <br />Drainage Area from J1, B1, S1, SWS(s)i: 3 acres <br />Total Contributing Drainage Area: 3 acres <br />MATERIAL: GRADED SILTS TO COBBLES COLLOIDAL <br />Trapezoidal Earthen Channel <br />Limiting Variable: Velocity = 5.500 fps <br />Sediment -laden Water <br />Design Bottom Manning's <br />Discharge Width ZLeft ZRight Slope n <br />(cfs) (ft) ( %) <br />1.71 10.0 3.0:1 5.0:1 1.0 0.030 <br />Top Hydraulic Froude <br />Depth Velocity Width Radius Number <br />(ft) (fps) (ft) <br />0.13 1.24 11.0 0.124 - - - -- -0.62 <br />Runoff Peak <br />Volume Discharge <br />(ac -ft) (cfs) <br />IN /OUT 0.13 1.71 <br />
The URL can be used to link to this page
Your browser does not support the video tag.