HYDRO20121

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 10/21/1994
• Doc Name: 3rd Qtr 1994 Inspection
• From: PEABODY WESTERN
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
stockponds or Sumps
INSPECTOR'S NAME: riichael G. Altavilla DATE: 09/28/94
FACILITY CONFIGURATION: Stockpond DATE LAST INSPECTION: 06/08 /94
SITE NAME: T-7 SITE LOCATION: NE~SW~1, Sec 12,TSN, R87W
NINE NAME: Seneca II LOCATION: 7.1 mi SE of Havden, Colorado
NINE I.D. NO.: C-80-005 OWNER'S REP.: Scott Williams . Supt.
Circle or write in appropriate response
1
2
Angle of elope: 2.5:1 upstream, 3:1 downstream
*Seepage (specify location, color, and approximate volume)
At isolated points on embankment slopes:
At natural hillside:
Total = 5.5:1 N/A
Yea ~ N/A
Yes ~ N/A
over widespread areas: Yes ® N/A
From downstream foundation area: Yes ® N/A
"Boils" beneath stream or ponded water: Yes ~ N/A
3. Cracks or ecarpa on crest:
4. Cracks or ecarpa 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: from crest =
il. Increase Decrease in water level: No change
12. Cracks, bulging, or erosion on upstream face:
13. Spillway erosion:
14. *Clogging
Spillway channels:
Diversion ditches:
Yes ~ N/A
Yea ~ N/A
Yes ~ N/A
Yes ~ N/A
Yes ~ N/A
Yes ~ N/A
Yes ~ N/A
4 feet (approx)
_ feet
Yes No; N/A
Yes Io N/A
Yes ~ N/A
Yes No
*Hajor 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.