HYDRO21619

• Permit No: C1982057
• IBM Index Class Name: Hydrology
• Doc Date: 10/23/1998
• Doc Name: SENECA II-W MINE C-82-057 QTR STOCKPOND INSEPECTIONS
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

P$RIODIC INSPECTION FORK
Stockponds or Sumps
INSPECTOR'S NAME: Boy Karo DATE: 09~3,(1/9A
FACILITY CONFIGURATION: ~fo Hood DATE LAST INSPECTION: 05/12/9A
SITfi NAME: T-24 LOCATION: SW~NR~ SP TSN. RBAW
MINE NAME: Seneca SI-W LOCATION: 8 mi 5 of Hayden, CO
MINE I.D. NO.: C-A2-057 OWNER'S REP.: Arad Brown. Gen Mar
1. Angle of elope: 3.9:1 upstream, 4.6e] downstream Total = B S.1 N/A
2
3
4
5
6
7
*Seepage (specify location, color, and approximate volume)
At isolated points on embankment slopes:
At natural hillside:
Over widespread areas:
From downstream foundation area:
"BOile'• beneath stream or ponded water:
Cracks or scarps on treat:
Cracks or scarps 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. _1L Increase Decrease in water level:
12. Cracks, bulging, or erosion on upstream face:
13
14
Spillway erosion: _
*Clogging
Spillway channels:
Diversion ditches:
Yee
Yes
Yee
Yee
Yee
Yee
Yee
Yes
Yes
Yes
Yea I~
Yea N~
5.7 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
D.5 feet
Yes ~ N/A
Yes ~ N/A
Yea 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,
etc.) in the apace on the back of this sheet.