HYDRO29744

• Permit No: C1982057
• IBM Index Class Name: Hydrology
• Doc Date: 12/6/1999
• Doc Name: SENECA II-W MINE C-82-057 QTRLY STOCKPOND INSPECTIONS
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC IN9PECTION FORM
Stockpoads or Sumps
INSPECTOR'S NAME: Micha ~ A av'lla
FACILITY CONFIGURATION: Stocknond
SITE NAME: T-18
MINE NAME: Seneca II-W
MINE I.D. NO.: C-82-057
1
2
3
4
5
6
7
DATE: 09/23/99
DATE LAST INSPECTION: N/A
LOCATION: NWhNF.~ yet lS TSN R88W
LOCATION: 8 mi S of Hayden, Co
OWNER'S REP.: Brad Rrown Gen Mq~
Angle of slope: 3:1 upstream, 3:1 downstream
*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 scarps on treat:
Cracks or scarps on elope:
Sloughing or bulging on slope:
*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: Agprnximately
11. ~ Increase Decrease in water level:
12. Cracks, bulging, or erosion on upstream face:
13
14
Spillway erosion:
*Clogging
Spillway channels:
Diversion ditches:
Yea ~ N/A
Yes No N/A
Yee ~ N/A
Yes ~ N/A
Yes ~ N/A
Yee ~ N/A
Yee ~ N/A
Yes ~ N/A
Yes ~ N/A
Yes No N/A
Yee ~ N/A
Yee ~
/
ll N/A
3 .0 f
e
%t
3.0 feet
Yes ~ N/A
Yea ~ 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 space on the back of this sheet.