PERMFILE57567

• Permit No: C1982057A
• IBM Index Class Name: Permit File
• Doc Date: 6/16/2006
• Doc Name: Reclaimed Dranage Calculations
• Section_Exhibit Name: Tab 20 Attachment 20-1
• Media Type: D
• Archive: Yes

AP WHERE REDUIRED
Flow Boltom Witlih Sitla Slope Depth liner
Channel O Sloe
~ IBWI H:1V of Flow IDI Velocity Fraeboartl Total Depth Vag/DBO
Icfsl 141 1 Iftl Iftl Ittl 111 I1PSl 121 Ittl Iftl Ilnl 131
005-Gulch
g.4 6-17 2.0 3.0 0.6 5.5 0.3 0.9 6'
K-LL
005-Gulch 6J 2-5 - 3.0 13 3.3 0.3 1.6 Veg.
CC-MM 6-27 2.0 3.0 0.5 5.9 0.3 O.B 6-
005-Ef 6.d 25 - 3.0 15 32 0.3 t8 Veg.
LL-NN 6-70 7.0 3.0 Oa 5.6 0.3 0.7 6"
006-NEf 6.3 f-f0 3.0 3.0 f.4 3.8 0.3 i.J Veg.
BB-JJ if-70 5.0 3.0 0.3 a.6 0.3 0.6 6-
006-NE1 3.2 3-f0 - 3.0 L2 3.3 0.3 t5 Veg.
JJ-PP i1-f6 50 3.0 0.1 4J 0.3 O.a Grave/
006-NEd 10 3-f0 - 3.0 09 7.0 O.J 1.7 Vag.
PP-00 if-70 2.0 3.0 0.1 4.a 0.3 O.a Gravel
006-NEl tt 5-f0 - 3.0 O.B 2.f 0.3 1.f Veg.
PP-lI i1-25 7.0 3.0 0.1 a.9 O.J O.d Gravel
006-Gulch 75.1 3-8 50 3.0 0.8 6.1 0.3 f.f 6-
BB-EE
3-f0 - 3.0 1
p 3.1 0
3 L5 Veg.
006-SEl EE-FF l,g , .
1f-17 Q.0 3.0 O7 5.0 O.J 0.5 Gravel
006-Gulch 77.9 f-5 5.0 3.0 f.8 a.e 0.3 7.f Veg.
Ef-C 6-11 6.0 3.0 0.6 65 D.3 0.9 b"
17-f5 5.0 3.0 0.5 6.6 0.3 O.B 9"
006-NE2 6.4 Id-d0 5.0 3.0 0.3 5.f 0.3 0.6 6"
C-RR
006-NE3 3.7 5-10 - 3.0 f.1 3.5 0.3 f4 Veg.
RR-YY 11-1d 5.0 3.0 0.2 d.8 0.3 0.5 Gravel
006-NE3 2.0 5-10 - 3.0 1.0 2l 0.3 t3 Veg.
YY-00 i1-73 a.0 3.0 O.1 d.8 0.3 0.4 Gravel
006-Gulch 19.4 1-5 5.0 3.0 1J a.5 0.3 7,0 Veg.
O-D 6-)d 5.0 3.0 0.6 65 0.3 0.9 6"
15-20 5.0 3.0 0.5 6 5 0.3 0.8 9"
006-E1 10.7 1-5 - 3.0 2.0 d.0 0.3 7.3 VeB~
D-SS 6-f6 2.0 3.0 0.6 6.4 03 0.9 6
006-Ef 6.5 b7 - 3.0 f.8 3.8 0.3 7.f Veg.
SS-HR 8-27 2.0 3.0 O.d 6.7 0.3 0.7 6
006-E2 7.3 3-10 - 3.0 L1 7.9 0.3 fd Veg.
SS-TT it-a0 B.0 3.0 0.1 0.7 0.3 O.d Gravel
006-Gulch 1ta 1-7 - 3.0 7.f aJ 0.3 2.d Veg.
D-E 8-15 2.0 3.0 0.6 6.d 0.3 0.9 6"
006-Sf 3.6 f-f0 - 3.0 f.6 3.a 0.3 t9 Veg.
E-XX 11-16 2.0 3.0 0.3 d.5 0.3 0.6 6"
006-Gu/ch L5 2-6 - 3.0 1.6 3J 0.3 1.9 Veg.
E-GG 7-18 7.0 3.0 0.5 S.B 0.3 0.8 6"
NUItS:
t. DEPTH OF FLOW BASED ON MINIMUM GRADE
~. VELOCITY BACFO ON MAXIMUM GRADE.
rqs a..oa,.e: o,ro.
wa rw ras ios
f FEVISIONS qEV O.iE
vxmec. xo. mmeaaaxa~ooo
© M W H scuao sxe cruxs~e xOZ~
` zB-:
3. RIPRAP 512E BASED ON PADER METHOD 3-.
d. MINIMUM FLOW OF 1.0 CFS USED IN DESIGNS.
SENECA COAL COMPANY
SENECA //- W
POSTM/NE CHANNEL SUMMARY
~---- BW I
TYPfCAL POSTMINE CHA/VlVEL