HYDRO25693

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 10/16/1997
• Doc Name: 2nd Qtr 1997 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
stockponds or sumps
INSPECTOR'S NAME: Roy Karo
FACILITY CONFIGURATION: Stockpond
SITE NAME: T-30
MINE NAME: Sen ra it
MINE I.D. NO.: C-80-005
DATE: 09/2497
DATE LAST INSPECTION: 06/2 ¢~97
LOCATION: SW'~NW'~. ~Pr 1 TSN R87W
LOCATION: 7.1 m, SB of Hay~~Co
OWNER'S REP.: Brad Brown. Gen Mqr
1. Angle of elope: 4:1 upstream, a:l downstream
2. *Seepage (specify location, color, and approximate volume)
At isolated points on embankment elopes:
At natural hillside:
Over widespread areas:
From downstream foundation area:
"Boils" beneath stream or ponded water:
3. Cracks or scarps on treat:
4. Cracks or scarps on elope:
5
6
7
Sloughing or bulging on elope:
*Major erosion problems:
Surface movements in valley bottom or on hillside:
8. *Eroeion of toe:
9. *Water impounded against downstream toe:
10. Existing embankment freeboard: approximately
11. _~ Increase Decrease in water level:
12
13
14
Cracks, bulging, or erosion on upstream face:
Spillway erosion:
*Clogging
Spillway channels:
Diversion ditches:
Yes IN O/ N/A
Yee No N/A
Yes No N/A
Yes ~ N/A
Yes ~ N/A
Yes ~ N/A
Yea No N/A
Yea ~ N/A
Yes ©o N/A
Yes ©o N/A
Yes ~ N/A
Yee No N/A
-_.Z feet
~ feet
Yes o N/A
Yes N N/A
Yes ~RRc] N/A
Yea 'lX"yl N/A
*Major 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,
Total = 9:1 N/A
etc.) in the space on the back of this sheet.