HYDRO30386

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 3/9/2000
• Doc Name: 4th Qtr 1999 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION PORN
Water, Sediment, or Slurry Iupouadmeate
INSPECTOR'S NAME: Michael Altavilla DATE: ~./~2/99
NPDES I.D. NO.: co-0000221 ^_P. 008
FACILITY CONFIGURATION: cross-Va77gy Pond DATE LAST INSPECTION: 09/22/99
SITE NAME: Pond X008 LOCATION: BW~,( NW3r~ 7 TSN R86W
MINE NAME: gene-ar ?7 M;n~(Seneca Coal Col LOCATION: 7.7 mi. cr of Hayden,Sp
MINE I.D. NO.: eMr.Rn Perm' No_ -80-OOS OWNER'S REP.: Brad Brown, Gen Mq~
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Foundation preparation (removal of vegetation, stumps, topsoil:
Lift thickness:
Compaction according to approved plan:
Burning (specify extent and location):
Angle of elope: 3:1 upstream, 3:1 downstream
*Seepage (specify location, color, and approximate volume)
From underdrain pipes:
At isolated points on embankment elopes:
At natural hillside:
Over widespread areas:
From downstream foundation area:
"Boils" beneath stream or ponded water:
Cracks or scarps on treat:
Cracks or scarps on elope:
es
es
No
in
No
_ Yes No
Total 6:1
Sloughing or bulging on elope:
*Major erosion problems:
11. Surface movements in valley bottom or on hillside:
12. *Eroeion of toe:
13. *Watez impounded against toe:
14. Existing embankment freeboard: see commence
15. Increase Decrease in water level: No change
16.
17.
18.
19
20.
Cracks, bulging, or erosion on upstream face:
Visible Bumps or sinkholes in slurry surface:
*Clogginq
Spillway channels and pipes:
Decant eyetem:
Diversion ditches:
*Crackinq or crushing of pipes
Spillway pipes:
Decant eyetem:
Trash racks clear and in place: _
Yes No
Yes
Yee No
Yes o
Yee No
Yee
Yes ®°
Yes ( nql
Yee `7~
Yee
Yes
Yes
Yes o
5.5 feet
N/A
N/A
N/A
N/A
N/
N A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
feet
Yes ~ N/A
Yes No l~la~
Yea ~ N/A
Yee No
Yes No
Yee ~ N/A
Yee No
ee No N/A
*riajor adverse changes in these items could cause instability and should be reported to the
Engineering Manager and Mine Superintendent for further evaluation. Adverse conditions noted
in these items should normally be described (extent, location, volume, etc.) in the apace on
the back of this sheet.