HYDRO30825

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 10/29/2001
• Doc Name: 3rd Qtr 2001 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Seater, Sediment, or Slurry Im
p
oundment~
INSPECTOR' S NAME : pE vw.,,'.t ~ °'~e-S ~
y
DATE: l ' ~~ - ~
NPDES I.D. NO.: CO-0000221 D.P. 002
FACILITY CONFIGURATION: Incised Pond DATE LAST INSPECTION: G ' Z S ,~ I
SITE NAME: Wadae Impoundment #002 LOCATION: NNP/a NE'/a, Sec. 34. T6N, R87W
MINE NAME: Seneca iI Mine (Seneca Coal CoI LOCATION: 7.1 mi. SE of Hay den CO
MINE I.D. NO.: CMLP,D Permit No. C -80-005 OWNER'S REP.: Greaa Kitchen , Gen Mar
1
2
3
9
5
6
7
8
9
10
11
12
13
19
15
16
17
18
19
20
Circle or write in appropriate response
Foundation preparation (removal of vegetation, stumps, topsoil: Yes No
Lift thickness: in
Compaction according to approved plan: Yes No
Burning (specify extent and location): Yes No
Angle of slope: upstream downstream Total =
`Seepage (specify location, color, and approximate volume)
From underdrain pipes:
At isolated points on embankment slopes:
At natural hillside:
Over widespread areas:
From downstream foundation area:
"Boils" beneath stream or ponded water:
Cracks or scarps on crest:
Cracks or scarps on slope:
Sloughing or bulging on slope:
*Major erosion problems:
Surface movements in valley bottom or on hillside:
`Erosion of toe:
`Water impounded against toe:
Existing embankment freeboard:
Increase +~ Decrease in water level:
Cracks, bulging, or erosion on upstream face:
Visible sumps or sinkholes in slurry surface:
`Clogging
Spillway channels and pipes:
Decant system:
Diversion ditches:
`Cracking or crushing of pipes
Spillway pipes:
Decant system:
Trash racks clear and in place:
Yes No
Yes No
Yes No
Yes No
Yes No
Yes Qo
Yes No
Yes No
Yes No
Yes o
Yes No
Yes No
Yes No
N/A feet
0 5 feet
Yes No
Yes No
Yes
Yes No
Yes ®o
Yes No
Yes No
Yes No
NLA
N/A
NL
N/A
NL
N/A
N/A
NL
N/A
N/A
NL
NL
N/A
N/A
N/A
NL
NL
*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 space on the
back of this sheet.