PERMFILE62519

• Permit No: C1982057
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: GENERAL DESIGN FOR HAUL ROAD DITCH POROUS ROCK CHECK DAMS
• Section_Exhibit Name: TAB 13 ATTACHMENT 13-6A
• Media Type: D
• Archive: No

Civil Software Design --~SBDCAD+ Veraioa'3.1.
Copyright (C) 1987-1992. Pamela J. Schwab. All righte.reaerved.
Company Name: PEABODY WESTERN COAL COMPANY
Filename: C:\SEDCAD3\SEN2W\HRDGRRDM ~USar:~~MGA
Date: 06-07-1995 Times 16:11:13
HAUL ROAD 6 POROUS ROCK CHECK DAM
storm: 1.60 iachea, 10 pear-24 hour, SCS Type II~:
Hydrograph Convolution Interval: 0:'1 hr
GENERAL INPUT TABLE ~~~

Specific Gravity: 2.50
Submerged Bulk Specific Gravity: 1.25
Particle Size Distribution(s):
Size GRAVEL ROAD - ~ ~~ '
(mm) B Finer

12.7000 100.00
u .2000 72.00
].0000 55.00
1.0000 40.00
0.5000 28.00 ~ '
0.2500 17.00 ,
0.1060 11.00
0.0450 8.40
0.0200 6.40
0.0100 4.00 '
0.0050 2.60 - ~ ~ ~ ~ ``~ ~""
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