PERMFILE51370

• Permit No: C1980001
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: Center Ridge Permanent Impoundment Info
• Section_Exhibit Name: 4.6 APPENDIX 4.6-O
• Media Type: D
• Archive: No

EMERGENCY SPILLWAY SPECIFICATIONS
Stage of Crest 0
Spillway Length 20'
Bottom Width 30'
Left Sideslope 2.0:1
Right Sideslope 2.0:1
----~` z._o --
1.1'
Freeboard Riprap ~
- -38'---- ------
2.0
Max. Water ~ 1 ~-
EI. 0.9'
- ---2.0~
~--30' Width- --~
PERMANENT CENTER RIDGE POND
EMERGENCY SPILLWAY SECTION
NOT TO SCALE
I, the undersigned hereby certify that this design
is correct and shows to the best of my knowledge
and belief all the informaton required by the
surface mining laws of this state.
signature - Date ~~ 6 a2
David L. Beverlin P.E.
the Pilt~ k IGdn~ Cal Ymmt Co.
L--_
EDNA MINE
CENTER RIDGE
PERMANENT
SPILLWAY DESIGN
Seal License No. x'-17 ~`~ I I ~„ ~ xo-~or~~e'yr~~. ~