PERMFILE49240

• Permit No: C1980005A
• IBM Index Class Name: Permit File
• Doc Date: 8/5/1998
• Doc Name: CHANNEL PM-8 PROFILE
• Section_Exhibit Name: TAB 7 EXHIBIT 7-20 SHEET 8 OF 23
• Media Type: M
• Archive: Yes

)g
5
0
E
yLr
7500
7400
H
7300
z
0
> 7200
w
J
W
7100
7000
Permit Number C / 5,7,9 00
Class:Wermit
Section/Exhibd: col 6.7.7_ E__,ch,b: - --
Class:O Revision !
TeQ` ----- -- -- ---------- -------- --- -- -- -'
Class: 0 Repoli liytlro OGenera�
Doc
OApplicetion (Coal only) O Bond 0 Enforcement O Inspection
RIPRAP THICKNESS ---------
TYPICAL RIPRAP LINED CHANNEL
NOT TO SCALE
DISTANCE (FT)
Sill PM -8 CHANNEL PROFILE
NOTES:
1.1 CHANNEL WAS DESIGNED TO SAFELY CONVEY RUNOFF RESULTING FROM THE
10 YEAR, 24 HOUR STORM EVENT.
2.) DESIGN FLOW ROUNDED TO NEAREST WHOLE CFS FROM SEDCAD HYDROLOGIC ANALYSIS.
3.1 DEPTH OF FLOW BASED ON MINIMUM GRADE.
4.) VELOCITY BASED ON MAXIMUM GRADE.
5.1 S2 PM -8 LOWER IS FROM THE INTERSECTION OF S2 PM -13 TO POND 008.
6.1 GEOTEXTILE REQUIRED FOR 050 9" OR GREATER.
W
z
0
>
w
J
W
RECEIVED
AUG 5 1998
DIV. OF MINERALS
& GEOLOGY
SCALE
100• 0 100• 1100'
MORMONTAL A: VDITIC11L
I
Design Flow
Slc a
Bottom Width
Side Slope
Depth of
Velocity
Freeboard
Total Depth
Rlprep D50
Channel
D, Iclsl
I%)
IBWI
IH:1V)
Flow IDI Iftl
lips)
Intl
fit)
tin)
111 and 121
IfN
(3)
141
PM -6
15
2 -10.6
1
3
16
6.91
0.3
2.1
9
25
10.7-17
1
3
14
9.36
0.3
V
12
PM -6
96
2 -9
10
3
08
ff.1
0.3
11
9
(Lower)
96
to -15
10
3
OJ
13.52
03
1.0
12
151
NOTES:
1.1 CHANNEL WAS DESIGNED TO SAFELY CONVEY RUNOFF RESULTING FROM THE
10 YEAR, 24 HOUR STORM EVENT.
2.) DESIGN FLOW ROUNDED TO NEAREST WHOLE CFS FROM SEDCAD HYDROLOGIC ANALYSIS.
3.1 DEPTH OF FLOW BASED ON MINIMUM GRADE.
4.) VELOCITY BASED ON MAXIMUM GRADE.
5.1 S2 PM -8 LOWER IS FROM THE INTERSECTION OF S2 PM -13 TO POND 008.
6.1 GEOTEXTILE REQUIRED FOR 050 9" OR GREATER.
W
z
0
>
w
J
W
RECEIVED
AUG 5 1998
DIV. OF MINERALS
& GEOLOGY
SCALE
100• 0 100• 1100'
MORMONTAL A: VDITIC11L
I