PERMFILE134006

• Permit No: C1994082A
• IBM Index Class Name: Permit File
• Doc Date: 4/25/2007
• Doc Name: Drainage and Sediment Control Plan
• Section_Exhibit Name: Tab 13 Attachment 13-12
• Media Type: D
• Archive: Yes

RIPRAP
NHERE RECUIRED
TYPICAL LINED CHANNEL
Flow Bottom Witlth Sitls Slope Depth Liner
Chennei D Slapa
1 IBWI H:1V of Flow IDI Velocit
2~ Freeoaard
Iftl Totsl Depth
Iftl Ve9/D 0
~
Icfal X1 Iftl lttl Ift1111 I1Pa11 IIn113
6-f0 x0 3.0 x0 3.0 0.3 t3 Vey.
YPM-8 3.8 11-32 t0 3.0 O.t 5.9 0.3 0.7 B"
YPM-9 2
8 5-17 V 3.0 1.0 3.9 t0 2.0 e9~
'
. 18-25 x0 3.0 0.3 !.9 1.0 x9 6
YPM-f0 1
5 5-f0 V 3.0 L2 t.1 x0 2.1 Vep.
"
. 11-T5 LO 3.0 0.5 6.1 x0 x5 B
YPM-if 17T 2-11 6.0 3.0 0.8 6.7 LO xB B"
9-18 T.O 3.0 O./ 5.3 LO xI 6"
YPM-1T B.0 18-25 TO 3.0 NA NA NA x8 Check Dems (/)
YPM-13 6.1 9-30 2.0 9.0 0.9 5.T t0 L3 6"
2.7 9 10 3.0 0.3 I.O 0.3 0.8 /.5"
YPM-10 2.7 17-31 LO-2.0 3.0 0.3 6.0 0.3 O.B B.0"
YMP-15 7.0 TO 3.0 3.0 O.T RO 0.3 0.3 4.5'
YPM-16 2.1 6-79 1.0 3.0 0.3 1.7 0.3 0.8 6'
YPM-17 2
p 8-15 x0 3.0 0.3 /.0 0.3 0.6 0.5"
, 38 1.0 3.0 0.9 6.0 0.3 0.6 6.0'
YPM-18 2.0 11 x0 3.0 0.3 1.0 0.9 O.B 0.5"
"
2.0 31 x0 3.0 0.9 6.0 0.3 0.6 6.0
YPM-f9 2.0 17.31 3.0 3.0 0.2 AO 0.3 0.5 t.5"
YPM-20 2.0 B x0 3.0 0.3 <.0 0.3 O.B 0.5"
1.0 30 x0 3.0 0.3 6.0 0.3 O.B B.0"
NOTES:
1. Depth of flow based on minimum grade.
2. Velocity based on maximum grade
3. Riprap based on Pader method plus 3".
avpa ~ a~ ~ ~ ~ ~- SENECA COAL COMPANY
,ap®r ae xwaeiwaa.
~"" YOAST M/NE POSTM/N/NG
e.
© M W H "~° "° °`~"'~ CHANNEL DES/GNS
.,. ,s,9,