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 FORK
Stockponds or Sumps
INSPECTOR'S NAME: $py Raro DATE: 03/13/98
FACILITY CONFIGURATION: c o pond DATE LAST INSPECTION: x/97
SITE NAME: T-4 LOCATION: sw~NF.~ ce~ii TSNt R87w
MINE NAME: Seneca TT LOCATION: 7.1 m9 c. o Hayden„ GO
MINE I.D. NO.: - C-80-005 OWNER'S REP.: Brad Brown. can ~Sar
1. Angle of elope: 3:1 upstream, 2_s:i downstream Total = 5.5:1 N/A
2
3
4
5
6
7
*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:
Cracks or ecarpe on treat:
Cracks or ecarpe on elope:
Sloughing or bulging on elope:
*Major erosion problems:
Surface movements in valley bottom or on hillside:
8. *Erosion of toe:
9. *Water impounded against downstream toe:
10. Existing embankment freeboard: Annroximately
11. Increase Decrease in water level: No change
12. Cracks, bulging, or erosion on upstream face:
13
14
Spillway erosion:
*Clogging
Spillway channels:
Diversion ditches:
Yes ~ N/A
Yee ~ N/A
Yes No N/A
Yes ©o N/A
Yes ~ N/A
Yee No N/A
Yee ~ N/A
Yes ~o N/A
Yes ~ N/A
Yea ~ N/A
Yes ~ N/A
Yee No N/A
-2 feet
feet
Yea ~ N/A
Yee ~ N/A
Yee ~ N/A
Yes o 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 apace on the back of this sheet.