HYDRO28618

• Permit No: C1994082
• IBM Index Class Name: Hydrology
• Doc Date: 4/27/1999
• Doc Name: 1st Qtr 1999 Sediment Pond Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION PORN
Water, Sediment, or Blurry Impoundments
INSPECTOR'S NAME: Michael A7tavilla DATE: O~/31~99
NPDES I.D. NO.: co-0000221 n.P. 0 11
FACILITY CONFIGURATION: cress-V all y Pond DATE LAST INSPECTION: !2./10/98
SITE NAME: Pond t0 1 LOCATION: NF.3. cWl;~yce,~~:6 TcN R87W
MINE NAME: Voaat Mine(c n a -na7 0~ LOCATION: 8.5 mi_ S& of Haden ~(`O
MINE I.D. NO.: eMr.Rn Permit Ne. C-9 4-092 OWNSR'S REP.: Hrad Brown ~ Cen qX
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20
Foundation preparation (removal of vegetation, stumps, topsoil:
Lift thickness:
Compaction according to approved plan:
Burning (specify extent and location):
Angle of slope: 3.0:1 upstream, 2.8.1 downstream
*Seepage (specify location, color, and approximate volume)
From underdrain pipes:
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:
_ Yes
ee
Yee
Total
No
in.
NO
No
_ Yee
_ Yes
_ Yee o
xes
_ xes o
_ Yee o
_ Yee o
Sloughing or bulging on elope:
*Major erosion problems:
Surface movements in valley bottom or on hillside:
+Eroeion of toe:
*Water impounded against toe:
Existing embankment freeboard: A.~onroximately
_~ 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: _
Yee
Yee
Yee
Yee
Yee No
Yee No
124 feet
5.5 feet
Yee ~°
Yee No
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/
Yee ® N/A
Yee No i1P~
~
Yee No L
/y)
Yee ® N A
Yee No
Yee No N
*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.