PERMFILE69474

• Permit No: C1994082A
• IBM Index Class Name: Permit File
• Doc Date: 9/27/2007
• Doc Name: Drainage and Sediment Control Plan
• Section_Exhibit Name: Tab 13 Attachment 13-12
• Media Type: D
• Archive: Yes

RIPRAP
MiERE REQUIRED
TYPICAL LINED CHANNEL
Flow Bott m Width Side Slope Depth Liner
Channel p S
Re ~g
~ V
HH of }l
pw
(p) y
ity Freep
~artl epth
Toto~
D Veg/o 30
~
`
9) ~
x11 f
l )
ll ff
~,
l J ) fp9)
)
( Ct ft
( t
) (
)O
5-10 1.0 30 1.0 3.4 0.3 1.3 Ve
.
YPM-B 3.B 11-3 1.0 30 0.4 5.9 0.3 0.7 g
6
YPM-9 29 5-17 V 30 1.0 39 1.0 20 °9~
"
18-2 7.0 3.0 0.3 4.9 1.0 1.3 6
YPM-f0 (4) 3O 5-10 V 3.0 1.1 32 0.3 1.4 V°9•
'
11-2 1.0 30 0.3 SO 0.3 0.6 6

YPM-il
6.7 2-5
50
JO 1.0 25 0.3 7.3 VC9•
"
6_11 0.3 4.4 0.3 0.6 4.5
9-18 Z.0 30 0.4 S3 1.0 1.4 6'
YPM-12 6.0 1B-?5 2.0 3.0 NA NA NA 1.8 Check Doms (4
YPM-13 4.1 9-30 ZO 30 0.3 5.2 1.0 1.3 6'
27 9 1.0 30 0.3 4.0 0.3 0.6 4.5
YPM-14 27 77-34 f.0-20 30 0.3 5.0 0.3 0.6 6.0"
YMP-15 20 20 30 30 0.2 4.0 0.3 0.5 4.5'
YPM-16 24 6-29 1.0 30 0.3 4.7 0.3 0.6 6'
YPM-17 20 8-15 1.0 3.0 0.3 4.0 0.3 0.6 4.5"
'
38 f.0 3.0 0.3 5.0 0.3 0.6 6.0
YPM-18 20 11 1.0 30 0.3 4.0 0.3 0.6 4.5'
6
0'
20 31 1.0 30 0.3 50 0.3 0.6 .
1PM-19 20 17-34 3.0 3.0 0.2 4.0 0.3 0.5 4.5'
2p 8 1.0 30 0.3 4.0 0.3 0.6 4.5'
1PM-20 2.0 30 1.0 30 0.3 5.0 0.3 0.6 6.0'
WM-21A 1.2 2-6 V 4.0 1.1 5.0 0.3 1.4 V£G
NOTES:
1. Depth of flow based on minimum grode, Capacity Class B.
2. Velocity based on maximum grade, Stability Class D.
3. Riprap D50 based on PADER Method plus 3".
4. Design peak flow was rounded to 3.0 beacause PADER Method was unable
to size riprap at 25 percent slope for SEDCAD calculated flow.
nexs aie~bl
mn ~riLs
SENECA COAL COMPANY
NMFLT Ils: NJVIOS01Ta00
~ ~ wh ~ ~ ~.. ~ ~ YOAST MINE POSTMINING
p•• . ~ «a
© M W H '"""" "e °`~"~~ CHANNEL DESIGNS
~/~ 13-12.3
TR-3> 13-12. ! 3 Revised 08/07