PERMFILE103732

• Permit No: C1980005
• IBM Index Class Name: Permit File
• Doc Date: 12/11/2001
• Doc Name: MID-TERM REVIEW REVISION POND INSPECTION REPORT FORMS
• Section_Exhibit Name: TAB 07 APPENDIX 7-11
• Media Type: D
• Archive: No

PERIODIC INSPECTION FQtM
Yater, Sediment. or Slurry I~poundrnents
INSPECTOR'S NAME:
:~~"3V.P.D.E.S. I.D. iVO.: cn_nnnn~~l n P nna
~ILITY CONFIGUtATION: ~nss-Valley Pond
E NAME: Cnuth Sort inn 17 Pnnd #nn4
MINE NAME: Sonora TT Mina (Peabody Pnal Cnmoanvl
MINE I.D. NO.: ,CMIRR Pormit Nn. f_nn5_Rn
DATE:
DATE LAST INSPECTION:
LOCATION: SWySE'~. Sec. 12. TSN. R&7W
LOCATION: 7,1 mi. SE of Havden. CO
OWNER'S REP.: ion Z~lian. Suet.
Circle or write in appropriate response
1. Foundation preparation (removal of vegetation, stumps, topsoil7) Ye No
2. Lift thickness (inches) ~Z inches
3. Compaction according to approved plan Yes No
4. Burning (specify extent and location) N7A YxEC~(XX-A9C
5. Angle Of slope ~degrsw~ 5.1 nnctream_ 2'1 downstream. total = ]~ ~
6. *Seepage (specify location, color, and approximate volume)
From underdrain pipes Yes No
At isolated points on em ankment s opes Yes No
At natural hillside Yes No
Over widespread areas Yes No
From downstream founds ion area Yes No
°Boils° beneath stream or ponde water Yes No
7. Cracks or scarps on crest
~~ Cracks or scarps on slope
Sloughing or bulging on
10. *Mafor erosion problems
Yes No
Yes No
slope Yes No
11. Surface movements in valley bottom or on hillside
12. *Erosion of toe
13. *Water impounded against toe
14. Existing embankment freeboard (feet)
15. Increase Decrease in water level (feet)
16. Cracks, bulging, or erosion on upstream face
Yes No
Yes No
Yes No
Yes No
feet
feet
Yes No
17. Visible sumps or sinkholes in slurry surface N/A )Y~5+(X)P1b
18. *Clogging
Spillway channels and pipes Yes No
Decant system Yes No
Diversion ditc es Yes No
19. *Cracking or crushing of pipes
Spillway pipes Yes No
Decant system Yes No
.,Trash racks clear and in place N/A
or adverse changes in these items could cause instability and should
cne Engineering Manager and Mine Superintendent for further evaluation.
tions noted in these items should normally be described (extent, location,
in the space on the back of this sheet.
X~SIXXpLC
be reported to
Adverse condi-
volume, etc.)
7-17-1