HYDRO23132

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 4/6/1998
• Doc Name: 1st Qtr 1998 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: st S]~ppnd
SITE NAME: T-1
MINE NAME: Seneca II
MINE I.D. NO.: C-80-005
DATE: 033/98
DATE LAST INSPECTION: ]2/22/97
LOCATION: s~~cWS. sec 7 TcN R87W
LOCATION: 7.t mt cR o Rays, CO
OWNER'S REP.: Brad Brown, Gen Mgr
1. Angle of elope: 3:1 upstream, a:l downstream Total = 7:t N/A
2. *Seepage (specify location, color, and approximate volume)
At isolated points on embankment slopes:
At natural hillside:
over widespread areas:
From downstream foundation area:
"Boils" beneath stream or ponded water:
3. Cracks or scarps on crest:
4. Cracks or scarps on slope:
5. Sloughing or bulging on slope:
6. *Major erosion problems:
7. Surface movements in valley bottom or on hillside:
8. *Eroeion of toe:
9. *water impounded against downstream toe:
10. Existing embankment freeboard: Ann ox'ma ty
11. Increase Decrease in water level: No change
12
13
14
Cracks, bulging, or erosion on upstream face:
Spillway erosion:
*Clogging
Spillway channels:
Diversion ditches:
Yes
Yes
Yes
Yes
Yee
Yes
Yee
Yes N~
Yee No
Yee
Yee
Yes
~ feet
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 ® N/A
Yes ~ N/A
Yee 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, etc.) in the
space on the back of this sheet.