HYDRO28130

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 12/6/1999
• Doc Name: 3rd Qtr 1999 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Stoekponds or Sumps
INSPECTOR'S NAME: Mi ha 1 At av']la
FACILITY CONFIGURATION: ~toCkgond
SITE NAME: T-16
MINE NAME: ~ n a 7r
MINE I.D. NO.: c-RD-005
1
2.
DATE: 09/22/99
DATE LAST INSPECTION: 0(i/29/99
LOCATION: ~F.'~NW'q Sec 12 TaN R87W
LOCATION: 7.1 mi cF: of Hayden CO
OWNER'S REP.: Rrad Rrown ~(_en Mq;_
Angle of elope: 3:1 upstream, a:1 downstream
*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 elope:
5. Sloughing or bulging on elope:
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: Anoroximat y
11. Increase Decrease in water level: No C.hnge
12. Cracks, bulging, or erosion on upstream face:
13
14
spillway erosion: _
*Clogging
Spillway channels:
Diversion ditches:
Yee No
Yes
Yee
Yee No
Yes o
Yes No
Yes 1~0
Yes No
Yee N®
Yee
Yee
Yea
7.0 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~ N/A
Yea C???l---o~~~ N/A
Yee ~ N/A
Yee 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,
Total = 6:1 N/A
etc.) in the apace on the back of this sheet.